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Publications List: 140 Peer-Reviewed Papers + 21 Issued US Patents


    2016

  1. Chen, J.; Falivene, L.;* Caporaso, L.; Cavallo, L.; Chen, E. Y.-X.* "Selective Reduction of CO2 to CH4 by Tandem Hydrosilylation with Mixed Al/B Catalysts", J. Am. Chem. Soc., 2016, 138, 5321-5333.

     

  2. Hong, M.; Chen, E. Y.-X.* "Towards Truly Sustainable Polymers: Metal-Free Recyclable Polyester from Bio-renewable Non-Strained γ-Butyrolactone", Angew. Chem. Int. Ed., 2016, 55, 4188-4193. (designated Hot article)

     

  3. Hong, M.; Tang, X.; Falivene, L.; Caporaso, L.; Cavallo, L.;* Chen, E. Y.-X.* "Proton-Transfer Polymerization by N-Heterocyclic Carbenes: Monomer and Catalyst Scopes and Mechanism for Converting Dimethacrylates into Unsaturated Polyesters", J. Am. Chem. Soc., 2016, 138, 2021-2035.

     

  4. Hong, M.; Chen, E. Y.-X.* "Completely Recyclable Biopolymers with Linear and Cyclic Topologies via Ring-Opening Polymerization of γ-Butyrolactone", Nat. Chem. 2016, 8, 42-49.

     

  5. Mou, Z.; Feng, S.; Chen, E. Y.-X.* "Bio-based Difuranic Polyol Monomers and Their Derived Linear and Cross-linked Polyurethanes", Polym. Chem. , 2016, 7, 1593-1602.

     

  6. Gowda, R. R.; Chen, E. Y.-X.* "Recyclable Earth-Abundant Metal Nanoparticle Catalysts for Selective Transfer Hydrogenation of Levulinic Acid to Produce γ-Valerolactone", ChemSusChem, 2016, 9, 181-185.

     

  7. Chen, J.; Chen, E. Y.-X.* "Unsolvated Al(C6F5)3: Structural Features and Electronic Interaction with Ferrocene", Dalton Trans. 2016, 45, 6105-6110 (designed Hot article & invited contribution to the themed issue on the Main-Group Transformations).

     

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    2015

  8. Tang, J.; Chen, E. Y.-X.* "Organopolymerization of Naturally Occurring Tulipalin B: A Hydroxyl-Functionalized Methylene Butyrolactone", Org. Chem. Front. 2015, 2, 1625-1631. (invited contribution to the themed issue on Carbenes for Today).

     

  9. Wang, Lu.; Chen, E. Y.-X.* "Recyclable Supported Carbene Catalysts for High-Yielding Self-Condensation of Furaldehydes into C10 and C12 Furoins", ACS Catal. 2015, 5, 6907-6917.

     

  10. Wang, Lu.; Chen, E. Y.-X.* "An Interchangeable Homogeneous <=> Heterogeneous Catalyst System for Furfural Upgrading", Green Chem. 2015, 17, 5149-5153.

     

  11. Zhu, J.-B.; Chen, E. Y.-X.* "From meso-Lactide to Isotactic Polylactide: Epimerization by B/N Lewis Pairs and Kinetic Resolution by Organic Catalysts", J. Am. Chem. Soc. 2015, 137, 12506-12509.

     

  12. Vidal, F.; Gowda, R. R.; Chen, E. Y.-X.* "Chemoselective, Stereospecific, and Living Polymerization of Polar Divinyl Monomers by Chiral Zirconocenium Catalysts", J. Am. Chem. Soc. 2015, 137, 9469-9480.

     

  13. Chen, J.; Chen, E. Y.-X.*"Reactivity of Amine/E(C6F5)3 (E = B, Al) Lewis Pairs Toward Linear and Cyclic Acrylic Monomers: Hydrogenation vs. Polymerization", Molecules 2015, 20, 9575-9590.(invited contribution to the special issue on the Reactivity of Frustrated Lewis Pairs).

     

  14. Feng, S.; Schmitt, M.; Chen, E. Y.-X.* "Organocatalytic Polymerization of Furfuryl Methacrylate and Post Diels-Alder Click Reaction to Cross-linked Materials", Macromol. Chem. Phys. 2015, 216, 1421-1430.

     

  15. Magnusson, C. D.; Liu, D.; Chen, E. Y.-X.; Kelland, M. A.* "Non-Amide Kinetic Hydrate Inhibitors: Investigation of the Performance of a Series of Polyvinylphosphonate Diesters", Energy & Fuels 2015, 29, 2336-2341.

     

  16. Chen, J.; Chen, E. Y.-X.* "Elusive Silane∙Alane Complex [Si-H∙∙∙Al]: Isolation, Characterization and Multifaceted Frustrated-Lewis-Pair-Type Catalysis", Angew. Chem. Int. Ed. 2015, 54, 6842-6846.

     

  17. Zang, H.; Chen, E. Y.-X.* "Organocatalytic Upgrading of Furfural and 5-Hydroxymethyl Furfural to C10 and C12 Furoins with Quantitative Yield and Atom-Efficiency", Int. J. Mol. Sci. 2015,16, 7143-7158. (invited contribution to the Green Chemistry and Biorefinery issue).

     

  18. Xu, T.;* Chen, E. Y.-X.* "Silylium Dual Catalysis in Living Polymerization of Methacrylates via In Situ Hydrosilylation of Monomer", J. Polym. Sci. Part A: Polym. Chem. 2015, 53,1895-1903.

     

  19. Miyake, G. M.; Zhang, Y.; Chen, E. Y.-X.* "Polymerizability of exo-Methylene-Lactide Towards Vinyl Addition and Ring Opening", J. Polym. Sci. Part A: Polym. Chem. 2015, 53, 1523-1532.

     

  20. Hong, M.; Chen, E. Y.-X.* "Polymeric Carbon Lewis Base-Acid Adducts: Poly(NHC-C60)", Polym. Chem. 2015, 6, 1741-1750.

     

  21. Chen, J.; Chen, E. Y.-X.* "Lewis Pair Polymerization of Acrylic Monomers by N-Heterocyclic Carbenes and B(C6F5)3", Isr. J. Chem. 2015, 55, 216-225. (invited contribution to the FLP issue).

     

  22. He, J.; Zhang, Y.; Chen, E. Y.-X.* "Cationic Zirconocene-Mediated Catalytic H-Shuttling Polymerization of Polar Vinyl Monomers: Scopes of Catalyst, Chain-Transfer Agent, and Monomer", Macromol. Symp. 2015, 349, 104-114. (invited contribution to Ionic Polymerization issue).

     

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    2014

  23. Zhang, Y.; Chen, E. Y.-X. "Polymerization of Nonfood Biomass-Derived Monomers to Sustainable Polymers", Top. Curr. Chem. 2014, 353, 185-227. (invited contribution to the topics volume on Selective Catalysis for Renewable Feedstocks and Chemicals).

     

  24. He, J.; Zhang, Y.; Falivene, L.; Caporaso, L.; Cavallo, L.;* Chen, E. Y.-X.* "Chain Propagation and Termination Mechanisms for Polymerization of Conjugated Polar Alkenes by [Al]-based Frustrated Lewis Pairs", Macromolecules 2014, 47, 7765-7774.

     

  25. Hong, M.; Chen, E. Y.-X.* "Proton-Transfer Polymerization (HTP): Converting Methacrylates into Polyesters by an N-Heterocyclic Carbene", Angew. Chem. Int. Ed. 2014, 53, 11900-11906 .
  26.  

  27. Gowda, R. R.; Caporaso, L.;* Cavallo, L.; Chen, E. Y.-X.* "Unusual C-C Bond Cleavage in the Formation of Amine-bis(phenoxy) Group 4 Benzyl Complexes: Mechanism of Formation and Application to Stereospecific Polymerization", Organometallics 2014, 33, 4118-4130
  28.  

  29. He, J.; Zhang, Y.; Chen, E. Y.-X.* "Synthesis of Pyridine and 2-Oxazoline-Functionalized Vinyl Polymers by Alane-based Frustrated Lewis Pairs", Synlett. 2014, 25, 1534-1538 (Invited contribution to the FLP Cluster issue).
  30.  

  31. Hong, M.; Chen, E. Y.-X.* "Coordination Ring-Opening Copolymerization of Naturally Renewable α-Methylene-γ-butyrolactone into Unsaturated Polyesters", Macromolecules 2014, 47, 3614-3624.
  32.  

  33. Liu, D.; Chen, E. Y.-X.* "Integrated Catalytic Process for Biomass Conversion and Upgrading to C12 Furoin and Alkane Fuel", ACS Catal. 2014, 4, 1302-1310.
  34.  

  35. Gowda, R. R.; Chen, E. Y.-X.* "Synthesis of β-Methyl-α-Methylene-γ-Butyrolactone from Biorenewable Itaconic Acid", Org. Chem. Front. 2014, 1, 230-234.
  36.  

  37. Xu, T.; Chen, E. Y.-X.* "Probing Site Cooperativity of Frustrated Phosphine/Borane Lewis Pairs by a Polymerization Study", J. Am. Chem. Soc. 2014, 136, 1774-1777.
  38.  

  39. Schmitt, M.; Falivene, L.; Caporaso, L.; Cavallo, L.;* Chen, E. Y.-X.*"High-Speed Organocatalytic Polymerization of a Renewable Methylene Butyrolactone by a Phosphazene Superbase", Polym. Chem. 2014, 5, 3261-3270 (Invited contribution to the theme issue on Sustainable Polymers).
  40.  

  41. Liu, D.; Chen, E. Y.-X.* "Organocatalysis in Biorefining for Biomass Conversion and Upgrading", Green Chem. 2014, 16, 964-981(Invited critical review).
  42.  

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    2013

  43. Zhang, Y.; Schmitt M.; Falivene L.; Caporaso L.; Cavallo L.;* Chen, E. Y.-X.* "Organocatalytic Conjugate-Addition Polymerization of Linear and Cyclic Acrylic Monomers by N-Heterocyclic Carbenes: Mechanisms of Chain Initiation, Propagation, and Termination", J. Am. Chem. Soc. 2013, 135, 17925-17942.
  44.  

  45. Liu, D.; Chen, E. Y.-X.* "Diesel and Alkane Fuels from Biomass by Organocatalysis and Metal-Acid Tandem Catalysis", ChemSusChem 2013, 6, 2236-2239.
  46.  

  47. Nakarit, C.; Kelland, M. A.;* Liu, D.; Chen, E. Y.-X. "Cationic Kinetic Hydride Inhibitor Polymers and the Effect on Performance of Incorporating Cationic Monomers into N-Vinyl Lactam Copolymers", Chem. Eng. Sci. 2013, 102, 424-431.
  48.  

  49. Gowda, R. R.; Chen, E. Y.-X.* "Sustainable Polymers from Biomass-Derived α-Methylene-γ-Butyrolactones", Encyclopedia of Polymer Science and Technology 2013, DOI:10.1002/0471440264.pst606, Wiley (Invited contribution).
  50.  

  51. Dunn, E. F.; Liu, D.; Chen, E. Y.-X.* "Role of N-heterocyclic Carbenes in Glucose Conversion into HMF by Cr Catalysts in Ionic Liquids", Appl. Catal. A: Gen. 2013, 460-461, 1-7.
  52.  

  53. He J.; Zhang, Y.; Chen, E. Y.-X.* "Anionic polymerization of biomass-derived furfuryl methacrylate: Controlling polymer tacticity and thermoreversibility", J. Polym. Sci., Part A: Polym. Chem. 2013, 51, 2793-2803.
  54.  

  55. Gowda R. R.; Chen, E. Y.-X.* "Chiral and achiral (imino)phenoxy-based cationic group 4 non-metallocene complexes as catalysts for polymerization of renewable α-methylene-γ-butyrolactones", Dalton Trans. 2013, 42, 9263-9273 (Invited contribution to the themed issue on Advances in Metal-Catalyzed Polymerization and other Related Transformations).
  56.  

  57. Hu, Y.; Wang, X.; Chen, Y.;* Caporaso, L.;* Cavallo, L.;* Chen, E. Y.-X.* "Rare-Earth Half-Sandwich Dialkyl and Homoleptic Trialkyl Complexes for Rapid and Stereoselective Polymerization of a Conjugated Polar Olefin", Organometallics 2013, 32, 1456-1465.
  58.  

  59. Liu, D.; Chen, E. Y.-X.* "Polymeric Ionic Liquid (PIL)-Supported Recyclable Catalysts for Biomass Conversion into HMF", Biomass & Bioenergy 2013, 48, 181-190.
  60.  

  61. He, J.; Zhang, Y.; Chen, E. Y.-X.* "Chromium(0) Nanoparticles as Effective Catalyst for the Conversion of Glucose into 5-Hydroxymethylfurfural", ChemSusChem 2013, 6, 61-64.
  62.  

  63. Chen, E. Y.-X. "Polymerization by Classical and Frustrated Lewis Pairs",Top. Curr. Chem. 2013, 334, 239-260. (Invited contribution to the topics volume on frustrated Lewis pairs)
  64.  

  65. Chen, E. Y.-X.; Lancaster, S. J. "Weakly Coordinating Anions: Highly Fluorinated Borates", in Comprehensive Inorganic Chemistry II; Chivers, T. Vol. Ed.; Reedijk, J.; Poeppelmeier, K. Chief Eds.; Elsevier: Oxford, 2013; Vol. 1, Chapter 24. 707-754 (Invited contribution)
  66.  

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    2012

  67. Liu, D.; Zhang, Y.; Chen, E. Y.-X*. "Organocatalytic Upgrading of the Key Biorefining Building Block by a Catalytic Ionic Liquid and N-heterocyclic Carbenes", Green Chem. 2012, 14, 2738-2746 (cover article).
  68.  

  69. Wang, Y.; Zhao, W.; Liu, X.; Cui, D.;* Chen, E. Y.-X.* "Ligand-Free Magnesium Catalyst System: Immortal Polymerization of L-Lactide with High Catalyst Efficiency and Structure of Active Intermediates", Macromolecules 2012, 45, 6957-6965.
  70.  

  71. Escudé, N. C.; Ning, Y.; Chen, E. Y.-X.* "In-situ Stereocomplexing Polymerization of Methyl Methacrylate by Diastereospecific Metallocene Catalyst Pairs", Polym. Chem. 2012, 3, 3247-3255 (cover article).
  72.  

  73. Liu, D.; Chen, E. Y.-X*. "Ubiquitous Aluminum Alkyls and Alkoxides as Effective Catalysts for Glucose to HMF Conversion in Ionic Liquids", Appl. Catal. A: Gen. 2012, 435-436, 78-85.
  74.  

  75. Zhang, Y.; Miyake, G. M.; John, M. G.; Falivene, L.; Caporaso, L.; Cavallo, L.;* Chen, E. Y.-X.* "Lewis Pair Polymerization by Classical and Frustrated Lewis Pairs: Acid, Base and Monomer Scope and Polymerization Mechanism", Dalton Trans.2012, 41, 9119-9134. DOI: 10.1039/C2DT30427A (designated "Hot Article"; Invited contribution to the themed issue on frustrated Lewis pairs)
  76.  

  77. Zhao, W.; Wang, Y.; Liu, X.; Chen, X.; Cui, D.;* Chen, E. Y.-X.* "Protic Compound Mediated Living Cross-Chain-Transfer Polymerization of rac-Lactide: Synthesis of Isotactic (crystalline)-Heterotactic (amorphous) Stereomultiblock Polylactide", Chem. Commun. 2012, 48, 6375-6377
  78.  

  79. Chen, X.; Caporaso, L.; Cavallo, L.;* Chen, E. Y.-X.* "Stereoselectivity in Metallocene-Catalyzed Coordination Polymerization of Renewable Methylene Butyrolactones: from Stereo-random to Stereo-perfect Polymers", J. Am. Chem. Soc. 2012, 134, 7278-7281.
  80.  

  81. Zhang, Y.; Chen, E. Y.-X.* "Conjugate-Addition Organopolymerization: Rapid Production of Acrylic Bioplastics by N-Heterocyclic Carbenes", Angew. Chem. Int. Ed. 2012, 51, 2465-2469
  82.  

  83. Hu, Y.; Miyake, Wang, B.; Cui, D.;* Chen, E. Y.-X.* "Ansa-Rare-Earth Metal Catalysts for Rapid and Stereoselective Polymerizations of Renewable Methylene Methylbutyrolactones", Chem. Eur. J. 2012, 18, 3345-3354
  84.  

  85. Chen, E. Y.-X. "Tris(pentafluorophenyl)alane", e-EROS Encyclopedia of Reagents for Organic Synthesis, John Wiley & Sons, Ltd, West Sussex, UK, 2012 DOI: 10.1002/047084289X.rn01382 (Invited contribution)
  86.  

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    2011

  87. Miyake, G. M.; Lida, H.; Hu, H.-Y.; Tang, Z.; Chen, E. Y.-X.; Yashima, E.* "Synthesis of Helical Poly(phenylacetylene)s Bearing Cinchona Alkaloid Pendants and Their Application to Asymmetric Organocatalysis". J. Polym. Sci. Part A, Polym. Chem. 2011, 49, 5192-5198.
  88.  

  89. Zhang, Y.; Gustafson, L. O.; Chen, E. Y.-X.* "Dinuclear Silylium-Enolate Bifunctional Active Species: Remarkable Activity and Stereoselectivity towards Polymerization of Methacrylate and Renewable Methylene Butyrolactone Monomers", J. Am. Chem. Soc. 2011, 133, 13674-13684.
  90.  

  91. Miyake, G. M.; Chen, E. Y.-X.* "Synthesis of Highly Syndiotactic Polymers by Discrete Catalysts or Initiators", Polym. Chem., 2011, 2, 2462-2480 (Invited review).
  92.  

  93. Miyake, G. M.; Chen, E. Y.-X.* "Cinchona Alkaloids as Stereoselective Organocatalysts for the Partial Kinetic Resolution Polymerization of rac-Lactide", Macromolecules 2011, 44, 4116-4124.
  94.  

  95. Hu, Y.; Gustafson, L. O.; Zhu, H.; Chen, E. Y.-X.* "Anionic Polymerization of MMA and Renewable Methylene Butyrolactones by Resorbable Potassium Salts", J. Polym. Sci. Part A. Polym. Chem.2011, 49, 2008-2017.
  96.  

  97. Zhang, Y.; Caporaso, L.; Cavallo, L.;* Chen, E. Y.-X.* "Hydride-Shuttling Chain Transfer and Stereoregulation in Methacrylate Polymerization Catalyzed by Metallocenium Enolate Metallacycle-Hydridoborate Ion Pairs", J. Am. Chem. Soc. 2011, 133, 1572-1588.
  98.  

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    2010

  99. Zhang, Y.; Miyake, G. M.; Chen, E. Y.-X.* "Alane-Based Classical and Frustrated Lewis Pairs in Polymer Synthesis: Rapid Polymerization of MMA and Naturally Renewable Methylene Butyrolactones to High Molecular Weight Polymers",Angew. Chem. Int. Ed. 2010, 49, 10158-10162 (designated VIP).
  100.  

  101. Hu, Y.; Xu, X.; Zhang, Y.; Chen, Y.*; Chen, E. Y.-X.* "Polymerization of Naturally Renewable Methylene Butyrolactones by Half-Sandwich Indenyl Rare Earth Metal Dialkyls with Exceptional Activity", Macromolecules 2010, 43, 9328-9336.
  102.  

  103. Miyake, G. M.; DiRocco, D. A.; Liu, Q.; Oberg, K. M.; Bayram, E.; Finke, R. F.; Rovis, T.; Chen, E. Y.-X.* "Stereospecific Polymerization of Chiral Oxazolidinone-Functionalized Alkenes", Macromolecules 2010, 43, 7504-7514.
  104.  

  105. Zhang, Y.; Lay, F.; García-García, P.; List, B.; Chen, E. Y.-X.* "High-Speed Living Polymerization of Polar Vinyl Monomers by Self-Healing Silylium Catalysts", Chem. Eur. J. 2010, 16, 10462-10473.
  106.  

  107. Miyake, G. M.; Newton, S. E.; Mariott, W. R.; Chen, E. Y.-X.* "Coordination Polymerization of Renewable Butyrolactone-Based Vinyl Monomers by Lanthanide and Early Metal Catalysts", Dalton Trans. 2010, 39, 6710-6718 (designated "Hot Article" in the themed issue entitled "New Horizons in Organo-f-Element Chemistry").
  108.  

  109. Miyake, G. M.; Zhang, Y.; Chen, E. Y.-X.* "Living Polymerization of Naturally Renewable Butyrolactone-Based Vinylidene Monomers by Ambiphilic Silicon Propagators", Macromolecules 2010, 43, 4902-4908.
  110.  

  111. Zhang, Y.; Chen, E. Y.-X.* "Silylium-Metallocenium Dications Derived from Hydrosilyl-Bridged Metallocenes and Roles in Polymerization of Polar and Nonpolar Vinyl Monomers", J. Organomet. Chem 2010, 695, 1464-1471.
  112.  

  113. Del Villano, L.; Kelland, M. A.;* Miyake, G. M.; Chen, E. Y.-X. "The Effect of Polymer Tacticity on the Performance of Poly(N,N-dialkylacrylamide)s as Kinetic Hydrate Inhabitors", Energy and Fuels 2010, 24, 2554-2562.
  114.  

  115. Zhang, Y., Du, H.; Qian, X.;* Chen, E. Y.-X.* "Ionic Liquid-Water Mixtures: Enhanced Kw for Efficient Cellulosic Biomass Conversion", Energy & Fuels 2010, 24, 2410-2417.
  116.  

  117. Zhang, Y.; Ning, Y.; Caporaso, L.; Cavallo, L.;* Chen, E. Y.-X.* "Catalyst-Site-Controlled Coordination Polymerization of Polar Vinyl Monomers to Highly Syndiotactic Polymers", J. Am. Chem. Soc. 2010, 132, 2695-2709.
  118.  

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    2009

  119. Chen, E. Y.-X.* "Coordination Polymerization of Polar Vinyl Monomers by Single-Site Metal Catalysts", Chem. Rev. 2009, 109, 5157-5214 (Invited contribution to the thematic issue on Frontiers in Polymer Synthesis).
  120.  

  121. Chen, E. Y.-X.* "Transformation of Polymerization of Polar Vinyl Monomers by Discrete and Hybrid Metal Catalysts", Dalton Trans. 2009, 8784-8793 (Invited Perspective to the themed issue on Metal-Catalysed Polymerisation).
  122.  

  123. Escudé N. C.; Chen, E. Y.-X.* "Stereoregular Methacrylate-POSS Hybrid Polymers: Syntheses and Nanostructured Assemblies", Chem. Mater. 2009, 21, 5743-5753.
  124.  

  125. Miyake, G. M.; Caporaso, L.; Cavallo, L.;* Chen, E. Y.-X.* "Coordination-Addition Polymerization and Kinetic Resolution of Methacrylamides by Chiral Metallocene Catalysts", Macromolecules 2009, 42, 1462-1471.
  126.  

  127. Chen, E. Y.-X.* "Ion-Paring Polymerization", Comments Inorg. Chem. 2009, 30, 7-27 (Invited contribution).
  128.  

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    2008

  129. Ning, Y.; Zhang, Y.; Rodriguez-Delgado, A.; and Chen, E. Y.-X.* "Neutral Metallocene Ester Enolate and Non-Metallocene Alkoxy Complexes of Zirconium for Catalytic Ring-Opening Polymerization of Cyclic Esters", Organometallics 2008, 27, 5632-5640.
  130.  

  131. Ning, Y.; Caporaso, L.; Correa, A.; Gustafson, L. O.; Cavallo, L.;* and Chen, E. Y.-X.* "Syndioselective MMA Polymerization by Group 4 Constrained Geometry Catalysts: A Combined Experimental and Theoretical Study", Macromolecules 2008, 41, 6910-6919.
  132.  

  133. Zhang, Y.; Chen, E. Y.-X.* "Structure-Reactivity Relationships in Bimolecular-Activated Monomer Polymerization of (Meth)acrylates Using Oxidatively Activated Group 14 Ketene Acetals", Macromolecules 2008, 41, 6353-6360.

     

  134. Miyake, G. M.; Chen, E. Y.-X.* "Metallocene-Mediated Asymmetric Coordination Polymerization of Polar Vinyl Monomers to Optically Active, Stereoregular Polymers", Macromolecules 2008, 41, 3405-3416.
  135.  

  136. Ning, Y.; Chen, E. Y.X.* "Metallocene-Catalyzed Polymerization of Methacrylates to Highly Syndiotactic Polymers at High Temperatures," J. Am. Chem. Soc. 2008, 130, 2463-2465.
  137.  

  138. Zhang, Y.; Chen, E. Y.-X.* "Controlled Polymerization of Methacrylates to High Molecular Weight Polymers Using Oxidatively Activated Group Transfer Polymerization Initiators", Macromolecules 2008, 41, 36-42.
  139.  

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    2007

  140. Zhu, H.; Chen, E. Y.-X.* "Group 13 and Lanthanide Complexes Supported by Tridentate Tripodal Triamine Ligands: Structural Diversity and Polymerization Catalysis," Organometallics 2007, 26, 5395-5405.
  141.  

  142. Ning, Y.; Zhu, H.; Chen, E. Y.-X.* "Remarkable Lewis Acid Effects on Polymerization of Functionalized Alkenes by Metallocene and Lithium Ester Enolates", J. Organomet. Chem. 2007, 692, 4535-4544 (Invited contribution to the special issue in honor of G. Erker).
  143.  

  144. Miyake, G. M.; Mariott, W. R.; Chen, E. Y.-X.* "Asymmetric Coordination Polymerization of Acrylamides by Enantiomeric Metallocenium Ester Enolate Catalysts", J. Am. Chem. Soc. 2007, 129, 6724-6725.
  145.  

  146. Mariott, W. R.; Escudé, N. C.; Chen, E. Y.-X.* "Stereoregular P(MMA)-Clay Nanocomposites by Metallocene Catalysts: In Situ Synthesis and Stereocomplex Formation", J. Polym. Sci. Part A: Polym. Chem. 2007, 45, 2581-2592 (a cover page article).
  147.  

  148. Zhu, H.; Chen, E. Y.-X.* "Tripodal Amido Boron and Aluminum Complexes", Inorg. Chem. 2007, 46, 1481-1487.
  149.  

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    2006

  150. Chen, E. Y.-X.; Rodriguez-Delgado, A. "Complexes of Zirconium and Hafnium in the Oxidation State IV" in Comprehensive Organometallic Chemistry III; Bochmann, M. Vol. Ed.; Mingos, M. P.; Crabtree, R. H. Chief Eds.; Elsevier: Oxford, 2006; Vol. 4, pp 759-1004, 2006 (an invited contribution).
  151.  

  152. Garner, L. E.; Zhu, H.; Hlavinka, M. L.; Hagadorn, J. R.; Chen, E. Y.-X.* "Cationic Zinc Enolates as Highly Active Catalysts for Acrylate Polymerization", J. Am. Chem. Soc. 2006, 128, 14822-14823.
  153.  

  154. Ning, Y.; Chen, E. Y.-X.* "Diastereospecific Ion-Pairing Polymerization of Functionalized Alkenes by Metallocene/Lewis Acid Hybrid Catalysts", Macromolecules 2006, 39, 7204-7215.
  155.  

  156. Mariott, W. R.; Gustafson, L. O.; Chen, E. Y.-X.* "Activation of Tantalocene(V) Alkyl and Alkylidene Complexes with Strong Organo-Lewis Acids and Application to Polymerization Catalysis", Organometallics 2006, 25, 3721-3729.
  157.  

  158. Rodriguez-Delgado, A.; Mariott, W. R.; Chen, E. Y.-X.* "Synthesis and MMA Polymerization of Chiral ansa-Zirconocene Ester Enolate Complexes with C2- and Cs-Ligation", J. Organomet. Chem. 2006, 691, 3490-3497.
  159.  

  160. Mariott, W. R.; Rodriguez-Delgado, A.; Chen, E. Y.-X.* "Chain Termination and Transfer Reactions in the Acrylate Polymerization by a Monometallic Chiral Zirconocenium Catalyst System", Macromolecules 2006, 39, 1318-1327.
  161.  

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    2005

  162. Mariott, W. R.; Chen, E. Y.-X.* "Mechanism and Scope of Stereospecific Polymerization of Acrylamides by Chiral Zirconocenium Ester and Amide Enolates", Macromolecules 2005, 38, 6822-6832.
  163.  

  164. Ning, Y.; Cooney, M. J.; Chen, E. Y.-X.* "Polymerization of MMA by Oscillating Zirconocene Catalysts, Diastereomeric Zirconocene Mixtures, and Diastereospecific Metallocene Pairs", J. Organomet. Chem. 2005, 690, 6263-6270 (an invited contribution).
  165.  

  166. Rodriguez-Delgado, A.; Chen, E. Y.-X.* "Mechanistic Studies of Stereospecific Polymerization of Methacrylates Using a Cationic, Chiral ansa-Zirconocene Ester Enolate", Macromolecules 2005, 38, 2587-2594.
  167.  

  168. Rodriguez-Delgado, A.; Chen, E. Y.-X.* "Single-Site Anionic Polymerization. Monomeric Ester Enolaluminate Propagator Synthesis, Molecular Structure, and Polymerization Mechanism", J. Am. Chem. Soc. 2005, 127, 961-974.
  169.  

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    2004

  170. Rodriguez-Delgado, A.; Chen, E. Y.-X.* "Ligand Exchange and Abstraction Reactions Involving Titanium Isopropoxide with Tris(pentafluorophenyl)borane and -alane: Ramifications for Ring-Opening Polymerization of Propylene Oxide", Inorg. Chimi. Acta 2004, 357, 3911-3919 (an invited contribution to the special issue in honor of T. J. Marks).
  171.  

  172. Mariott, W. R.; Chen, E. Y.-X.* "Stereospecific, Coordination Polymerization of Acrylamides by Chiral ansa-Metallocenium Alkyl and Ester Enolate Cations", Macromolecules 2004, 37, 4741-4743.
  173.  

  174. Chen, E. Y.-X. "Stereospecific Polymerization of Methacrylates by Metallocene and Related Catalysts", J. Polym. Sci. Part A: Polym. Chem. 2004, 42, 3395-3403 (an invited Highlight and cover-page article).
  175.  

  176. Rodriguez-Delgado, A.; Mariott, W. R.; Chen, E. Y.-X.* "Living and Syndioselective Polymerization of Methacrylates by Constrained Geometry Titanium Alkyl and Enolate Complexes", Macromolecules 2004, 37, 3092-3100.
  177.  

  178. Bolig, A. D.; Chen, E. Y.-X.* "Ansa-Zirconocene Ester Enolates: Synthesis, Structure, Reaction with Organo-Lewis Acids, and Application to Polymerization of Methacrylates", J. Am. Chem. Soc. 2004, 126, 4897-4906.
  179.  

  180. Chen, E. Y.-X.,* Campbell, R. E., Jr.; Devore, D. D.*, Green, D. P.; Link, B.; Soto, J.; Wilson, D. R.; Abboud, K. A. "Divalent Ansa-Zirconocenes: Stereoselective Synthesis and High Activity for Propylene Polymerization", J. Am. Chem. Soc. 2004, 126, 42-43.
  181.  

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    2003

  182. Mariott, W. R. Chen, E. Y.-X.* "Stereochemically Controlled PMMA-Exfoliated Silicate Nanocomposites Using Intergallery-Anchored Metallocenium Cations", J. Am. Chem. Soc. 2003, 125, 15726-15727.
  183.  

  184. Jin, J.; Mariott, W. R.; Chen, E. Y.-X.* "Polymerization of Methyl Methacrylate by Metallocene Imido Complexes and Tris(pentafluorophenyl)alane", J. Polym. Sci. Part A: Polym. Chem. 2003, 41, 3132-3142.
  185.  

  186. Mariott, W. R.; Hayden, L. M.; Chen, E. Y.-X.* "Olefin Copolymerization and Polymerization of Methyl Methacrylate Catalyzed by Tantalum(V)-Based Complexes" in Beyond Metallocenes. Next-Generation Polymerization Catalysts; Patil, A. O.; Hlatky, G. G. Eds.; ACS Symp. Ser. 2003, 857, 101-111 (an invited contribution).
  187.  

  188. Chakraborty, D.; Rodriguez, A.; Chen, E. Y.-X.* "Catalytic Ring-Opening Polymerization of Propylene Oxide by Organoborane and Aluminum Lewis Acids", Macromolecules 2003, 36, 5470-5481.
  189.  

  190. Chen, E. Y.-X.;* Cooney, M. J. "Amphicatalytic Polymerization: Synthesis of Stereomultiblock Poly(methyl methacrylate) with Diastereospecific Ion Pairs", J. Am. Chem. Soc. 2003, 125, 7150-7151.
  191.  

  192. Chakraborty, D.; Chen, E. Y.-X.* "Chiral Amido Aluminum and Zinc Alkyls: A Synthetic, Structural, and Polymerization Study", Organometallics 2003, 22, 769-774.
  193.  

  194. Chakraborty, D.; Chen, E. Y.-X.* "First Isolation and Structural Characterization of Triarylaluminum-Water and -Methanol Complexes", Organometallics 2003, 22, 207-210.
  195.  

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    2002

  196. Jin, J.; Chen, E. Y.-X.* "Stereoblock Copolymerization of Propylene and Methyl Methacrylate With Single-Site Metallocene Catalysts", Macromol. Chem. Phys. 2002, 203, 2329-2333.
  197.  

  198. Chakraborty, D.; Chen, E. Y.-X.* "Chlorobis(pentafluorophenyl)alane: Synthesis, Crystal Structure, and Polymerization Catalysis", Inorg. Chem. Commun. 2002, 5, 698-701.
  199.  

  200. Bolig, A. D.; Chen, E. Y.-X.* "Isotactic-b-Syndiotactic Stereoblock Poly(methyl methacrylate) by Chiral Metallocene/Lewis Acid Hybrid Catalysts", J. Am. Chem. Soc. 2002, 124, 5612-5613.
  201.  

  202. Jin, J.; Wilson, D. R.; Chen, E. Y.-X.* "Monoalkyl, Chiral-at-Metal 'Constrained Geometry' Complexes as Efficient &alpha-Olefin and Methyl Methacrylate Polymerization Catalysts", Chem. Commun. 2002, 708-709.
  203.  

  204. Chakraborty, D.; Chen, E. Y.-X.* "Neutral, Three-Coordinate, Chelating Diamide Aluminum Complexes: Catalysts/Initiators for Synthesis of Telechelic Oligomers and High Polymers", Organometallics 2002, 21, 1438-1442.
  205.  

  206. Feng, S.; Roof, G. R.; Chen, E. Y.-X.* "Tantalum(V)-Based Metallocene, Half-Metallocene, and Non-Metallocene Complexes as Ethylene-1-Octene Copolymerization and Methyl Methacrylate Polymerization Catalysts", Organometallics 2002, 21, 832-839.
  207.  

  208. Chakraborty, D.; Chen, E. Y.-X.* "Neutral Olefin Polymerization Activators as Highly Active Catalysts for ROP of Heterocyclic Monomers and for Polymerization of Styrene", Macromolecules 2002, 35, 13-15.
  209.  

  210. Jin, J.; Chen, E. Y.-X.* "Chiral ansa-Titanocene Imido Complexes: Novel Synthesis and Effective Initiator for Syndiospecific Polymerization of MMA", Organometallics 2002, 21, 13-15.
  211.  

  212. Abboud, K. A.;* Nickias, P. N.; Chen, E. Y.-X. "A Dimeric Constrained-Geometry Titanium Complex Linked by Double Ti-CH2-Al-CH2 Heterocycles", Acta Cryst. 2002, C58, m41-42.
  213.  

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    2001

  214. Bolig, A. D.; Chen, E. Y.-X.* "Reversal of Polymerization Stereoregulation in Anionic Polymerization of MMA by Chiral Metallocene and Non-Metallocene Initiators: A New Reaction Pathway for Metallocene-Initiated MMA Polymerization", J. Am. Chem. Soc. 2001, 123, 7943-7944.
  215.  

  216. Chen, E. Y.-X.;* Kruper, W. J.; Roof, G.; Wilson, D. R. "Double Activation of Constrained Geometry and ansa-Metallocene Group 4 Metal Dialkyls: Synthesis, Structure, and Olefin Polymerization Study of Mono- and Dicationic Aluminate Complexes", J. Am. Chem. Soc. 2001, 123, 745-746.

    (One-page highlights on this publication were reported in Chemical and Engineering News, 2001, 79(8), 57. This research was also reviewed as one of the three highlights in polymer chemistry for year 2001: Chemical and Engineering News, 2001, 79(50), 54.)
  217.  

  218. Abboud, K. A.;* Nickias, P. N.; Chen, E. Y.-X. "{N-[Dimethyl(η5-2,3,4,6-tetramethyl-indenyl)silyl]Cyclobutylamido-κN}-(η4-1,4-diphenyl-1,3-butadiene) Titanium(II)", Acta Cryst. 2001, C57, 1408-1409.
  219.  

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    2000

  220. Chen, E. Y.-X.;* Abboud, K. A. 'Unusual Weakly Coordinating Anion Reactivity in Metallocene Chemistry. Formation of Tantalocene Cation-Dinuclear Anion Pairs", Organometallics 2000, 19, 5541-5543.
  221.  

  222. Chen, E. Y.-X.;* Marks, T. J.* "Cocatalyst for Metal-Catalyzed Olefin Polymerization: Activators, Activation Processes, and Structure-Activity Relationships", Chem. Rev. 2000, 100, 1391-1434 (an invited contribution).
  223.  

  224. Klosin, J.;* Roof, G.; Chen, E. Y.-X.;* Abboud, K. A. "Ligand Exchange and Alkyl Abstraction Involving (Perfluoroaryl)boranes and -alanes with Aluminum and Gallium Alkyls", Organometallics 2000, 19, 4684-4686.
  225.  

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    Before 2000

    Postdoctoral, Graduate and Undergraduate Research Publications

  226. Chen, Y.-X.; Metz, M. V.; Li, L.; Stern, C. L.; Marks, T. J.* "Sterically Encumbered (Perfluoroaryl) Borane and Aluminate Cocatalysts for Tuning Cation-Anion Ion Pair Structure and Reactivity in Metallocene Polymerization Processes. A Synthetic, Structural, and Polymerization Study", J. Am. Chem. Soc. 1998, 120, 6287-6305.
  227. Chen, Y.-X.; Fu, P.; Stern, C. L.; Marks, T. J.* "A Novel Phenolate Constrained Geometry Catalyst System. Efficient Synthesis, Structural Characterization, and α-Olefin Polymerization Catalysis", Organometallics 1997, 16, 5958-5963.
  228. Chen, Y.-X.; Stern, C. L.; Marks, T. J.* "Very Large Counteranion Modulation of Cationic Metallocene Polymerization Activity and Stereoregulation by a Sterically Congested (Perfluoroaryl)fluoroaluminate", J. Am. Chem. Soc. 1997, 119, 2582-2583.
  229. Chen, Y.-X.; Marks, T. J.* "Constrained Geometry Dialkyl Catalysts. Highly Efficient Synthesis, C-H Bond Activation Chemistry, Monomer-Dimer Equilibration, and α-Olefin Polymerization Catalysis", Organometallics 1997, 16, 3649-3657.
  230. Chen, Y.-X.; Stern, C. L.; Yang, S.; Marks, T. J.* "Organo-Lewis Acids as Cocatalysts in Cationic Metallocene Polymerization Catalysis. Unusual Characteristics of Sterically Encumbered Tris(perfluorobiphenyl)borane", J. Am. Chem. Soc. 1996, 118, 12451-12452.
  231. Chen, Y.-X.; Rausch, M. D.;* Chien, J. C. W.* "C2v- and C2-Symmetric ansa-Bis(fluorenyl)Zirconocene Catalysts: Synthesis and α-Olefin Polymerization Catalysis", Macromolecules 1995, 28, 5399-5404.
  232. Chen, Y.-X.; Rausch, M. D.;* Chien, J. C. W.* "Heptane-Soluble Homogeneous Zirconocene Catalyst: Synthesis of a Single Diastereomer, Polymerization Catalysis and Effect of Silica Supports", J. Polym. Sci. Part A: Polym. Chem. 1995, 33, 2093-2108.
  233. Chen, Y.-X.; Rausch, M. D.;* Chien, J. C. W.* "1,3-Propanediyl Silylene-bis-(1-indenyl)dichlorozirconium. Synthesis and Polymerization Catalysis", J. Organomet. Chem. 1995, 487, 29-34.
  234. Chen, Y.-X.; Rausch, M. D.;* Chien, J. C. W.* "Silylene-Bridged Fluorenyl-Containing Ligands and Zirconium Complexes with C1 and Cs Symmetry: General Synthesis and Olefin Polymerization Catalysis", J. Organomet. Chem. 1995, 497, 1-9.
  235. Chen, Y.-X.; Rausch, M. D.;* Chien, J. C. W.* "Stereoselective Synthesis of a Germanium-Bridged Zirconocene for Temperature-Invariant Propylene Polymerization", Organometallics 1994, 13, 748-749.
  236. Chen, Y.-X.; Rausch, M. D.;* Chien, J. C. W.* "Indenyl- and Fluorenyl Silanes: Synthesis and Thermal Diastereomerization", Organometallics 1993, 12, 4607-4612.
  237. Chen, S. -S.; Chen, Y.-X.; Wang, J. -T.* "Investigation of Reaction Between Fulvenes and α-Naphthyllithium", Sci. China, Ser. B. 1990, 33, 769-776.
  238. Chen, S.-S.; Chen, Y.-X.; Wang, J.-T.* "Studies on Ring-Bridged Bis(η5-cyclopentadienyl) Metal (IV B) Derivatives (I)", Acta Chimica Sinica 1990, 48, 298-301.
  239. Chen, S.-S.; Chen, Y.-X.; Wang, J.-T.* "Studies on Ring-Bridged Bis(η5-cyclopentadienyl) Metal (IV B) and Iron Derivatives (II)", Acta Chimica Sinica 1990, 48, 582-586.
  240. Chen, S.-S.; Chen, Y.-X.; Wang, J.-T.* "Reaction of Fulvenes and Aryllithiums", Scientia Sinica, B. 1989, 10, 1014-1019.

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Issued Patents and Patent Applications

  1. Chen, E. Y.-X.; Hu, Y.; Zhang, Y. "Polymerization Catalysts, Methods and Products", U.S. Pat. 9,309,332 B2, 2016.
  2. Chen, E. Y.-X.; Hong, M.; Tang, X. "Ring-Opening Polymerization Methods and Recyclable Biorenewable Polyesters", PCT/US 2016/026961.
  3. Chen, E. Y.-X.; Liu, D. "Biorefining Compounds and Organocatalytic Upgrading Methods", PCT Int. Appl. WO 2014/008301; US2014/0007497 A1.
  4. Carnahan, E. M.; Chen, E. Y.; Jacobsen, G. B.; Stevens, J. C. "Supported Modified Alumoxane Catalyst Activator", U.S. Pat. 6,696,379 B1, 2004.
  5. Chen, E. Y.; Kruper, W. J. "Dicationic Non-Metallocene Group 4 Metal Complexes", U.S. Pat, 6,683,199 B1, 2004.
  6. Chen, E. Y.; Kruper, W. J. "Preparation of Polymerization Catalyst Compositions", U.S. Pat, 6,673,735 B1, 2004.
  7. Chen, E. Y.; Kruper, W. J.; Roof, G.; Schwartz, D. J.; Storer, J. W. "Three Coordinate Aluminum Catalyst Activator Composition", U.S. Pat. 6,528,449 B1, 2003.
  8. Chen, E. Y.; Chakraborty, D. "Polymerization Processes Using A Highly Active Catalyst", PCT Int. Appl. WO 030000750, 2003.
  9. Chen, E. Y.; Roof, G.; Kruper, W. J.; Schwartz, D. J.; Storer, J. W. "Activator Composition Comprising Aluminum Compound Mixture", U.S. Pat. 6,387,838 B2, 2002.
  10. Chen, E. Y.; Feng, S.; Graf, D. D.; Patton, J. T.; Wilson, D. R. "Highly Activated Bimetallic Constrained Geometry Catalysts for Olefin Polymerization", U.S. Pat. 6,284,698, 2001.
  11. Chen, E. Y.; Kruper, W. J.; Roof, G. "Catalyst Activator Composition", U.S. Pat. 6,214,760 B1, 2001.
  12. Chen, E. Y.; Kruper, W. J. "Dinuclear Fluoroaryl Aluminum Alkyl Complexes", U.S. Pat. 6,291,614 B1, 2001.
  13. Chen, E. Y. "Ansa-Group 4 Metal Bis(μ-Substituted) Aluminum Metallocenes", U.S. Pat. 6,162,935, 2000.
  14. Chen, E. Y.; Campbell, R. E.; Devore, D. D.; Green, D. P.; Patton, J. T.; Soto, J.; Wilson, D. R. "Integrated Process for Preparation of Diene Complexes as Catalysts for Olefin Polymerization", U.S. Pat. 6,136,993, 2000.
  15. Chen, E. Y.; Klosin, J.; Kruper, W. J.; Lapointe, R. E. "Process for Preparing Trifluoroarylaluminum Etherates", U.S. Pat. 6,160,146, 2000.
  16. Chen, E. Y.; Devore, D. D. "Dimeric Group 4 Metallocenes in +3 Oxidation State", PCT Int. Appl. WO 0075152, 2000.
  17. Chen, E. Y.; Kruper, W. J.; Nickias, P. N.; Wilson, D. R. "Ansa-Group 4 Metal Bis(μ-Substituted) Aluminum Complexes", U.S. Pat. 6,140,521, 2000.
  18. Chen, E. Y.; Campbell, R. E.; Devore, D. D.; Green, D. P.; Patton, J. T.; Soto, J.; Wilson, D. R. "Integrated Process for Preparation of Diene Complexes", U.S. Pat. 6,127,563, 2000.
  19. Chen, E. Y.; Campbell, R. E.; Devore, D. D.; Green, D. P.; Patton, J. T.; Soto, J.; Wilson, D. R. "Diene Complexes of Group 4 Metals and Process of Prepartion", U.S. Pat. 6,084,115, 2000.
  20. Marks, T. J.; Chen, Y.-X. "Organoborane Complexes with Metallocenes for Polymerization Catalysts", U.S. Pat. 6,087,460, 2000.
  21. Marks, T. J.; Chen, Y.-X. "Synthesis and Use of (Polyfluoroaryl)fluoroanions of Aluminum, Gallium and Indium as Polymerization Cocatalysts", U.S. Pat. 6,130,302, 2000.
  22. Marks, T. J., Chen, Y.-X. "Organo-Lewis Acid Cocatalysts for Cationic Homogeneous Ziegler-Natta Olefin Polymerizations", U.S. Pat. 5,856,256, 1999.
  23. Marks, T. J.; Chen, Y.-X. "Phenolate Constrained Geometry Polymerization Catalyst and Method for Preparing", U.S. Pat. 5,856,258, 1999.
  24. Marks, T. J.; Chen, Y.-X. "Synthesis and Use of (Perfluoroaryl)fluoro-Aluminate Anion", U.S. Pat. 5,854,166, 1998.

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