87. Luo, N.; Zheng, Z. Y.; Yu, Z. K.* Highly Regioselective [3+2] Annulation of Azomethine Imines with 1-Alkynyl Fischer Carbene Complexes to Functionalized N,N-Bicyclic Pyrazolidin-3-ones. Org. Lett. 2011, 13, 3384-3387. 86. Yang, F. Z.; Xu, Z. Q.*; Wang, Z.; Yu, Z. K.*; Wang, R.* Copper Catalyzed Oxidative Arylation of Heteroarenes under Mild Conditions and Using Dioxygen as Sole Oxidant. Chem. Eur. J. 2011, 17, 6321-6325. 85. Ye, W. J.; Zhao, M.; Du, W. M.; Jiang, Q. B.; Wu, K. K.; Wu, P.; Yu, Z. K.* Highly Active Ruthenium(II) Complex Catalysts Bearing a Unsymmetrical NNN Ligand in (Asymmetric) Transfer Hydrogenation of Ketones. Chem. Eur. J. 2011, 16, 4737-4711. 84. Yu, H. F.; Jin, W. W.; Sun, C. L.; Chen, J. P.; Du, W. M.; He, S. B.; Yu, Z. K.* Palladium-Catalyzed Direct Cross-Coupling of Internal Alkenes with Terminal Alkenes to Functionalized 1,3-Butadienes via C-H Bond Activation: Efficient Synthesis of Bicyclic Pyridones. Angew. Chem. Int. Ed. 2010, 49, 5792-5797. 83. Xu, T. Y; Yang, Q.; Li, D. P.; Dong, J. H.; Yu, Z. K.*; Li, Y. X.* Iron(III)-Catalyzed Cyclization of Alkynyl-aldehyde Acetals: Experimental and Computational Studies. Chem. Eur. J. 2010, 16, 9264-9272. 82. Luo, N.; Yu, Z. K.* RuCl3.xH2O-Catalyzed Direct Arylation of Arenes with Aryl Chlorides in the Presence of Triphenylphosphine. Chem. Eur. J. 2010, 16, 787-791. 81. Ye, W. J.; Luo, N.; Yu, Z. K.* Rhodium-Catalyzed Direct Alkenylation and Arylation of Arene C-H Bonds via Decarbonylation of Cinnamoyl Chlorides, Cinnamic Anhydrides and Poly(aroyl) Chlorides. Organometallics 2010, 29, 1049-1052. 80. Wu, X. W.; Yu, Z. K.* Metal and Phosgene-free Synthesis of 1H-Quinazoline-2,4-diones by Selenium-Catalyzed Carbonylation of o-Nitrobenzamides. Tetrahedron Lett. 2010, 51, 1500-1503. 79. Wang, L. D.; Wu, X. W.; He, W.; Liu, Z. S.; Yu, Z. K.* Palladium-Catalyzed Carboxylation of 1,3-Butadiene to Methyl 3-Pentenoate. Chin. J. Catal. 2010, 31, 1044-1048 (invited). 78. Yu, H. F.; Yu, Z. K.* Direct Alkenylation of Indoles through Acid-mediated Substitution Reactions with alpha-Oxo Ketene Dithioacetals: Efficient Synthesis of Indole Alkaloids Meridianin Derivatives. Angew. Chem. Int. Ed. 2009, 48, 2929-2933. 77. Jin, W. W.; Yu, Z. K.;* He, W.; Ye, W. J.; Xiao, W.-J. Efficient Rh(I)-Catalyzed Direct Arylation and Alkenylation of Arene C-H Bonds via Decarbonylation of Benzoic and Cinnamic Anhydrides. Org. Lett. 2009, 11, 1317-1320. 76. Xu, T. Y.; Yu, Z. K.;* Wang, L. D. Iron-Promoted Cyclization/Halogenation of Alkynyl Diethyl Acetals. Org. Lett. 2009, 11, 2113-2116. 75. Li, Y.; Yu, Z. K.* Palladium-Catalyzed Carbonylative Cycloisomerization of gamma-Propynyl-1,3-diketones: A Concise Route to Polysubstituted Furans. J. Org. Chem. 2009, 74, 8904-8907. 74. Zeng, F. L.; Yu, Z. K.* Construction of Highly Active Ruthenium(II) NNN Complex Catalysts Bearing a Pyridyl-Supported Pyrazolyl-Imidazolyl Ligand for Transfer Hydrogenation of Ketones. Organometallics 2009, 28, 1855-1862. 73. Zhao, M.; Yu, Z. K.;* Yan, S. G.; Li, Y. Room-Temperature Ru(II)-Catalyzed Transfer Hydrogenation of Ketones and Aldehydes in Air. Tetrahedron Lett. 2009, 50, 4624-4628. 72. Luo, N.; Yu, Z. K.* Multiple Reactivities of Dithranol Towards 1-Alkynyl Fischer Carbene Complexes (CO)5M=C(OEt)CCPh (M = Cr, W)-Efficient Chemical Synthesis of Aromatic Polyketides. J. Organomet. Chem. 2009, 694, 3058-3067. 71. Zhao, M.; Yu, Z. K.;* Yan, S. G.; Li, Y. Ruthenium(II) Complex Catalysts Bearing a Pyridyl-Supported Pyrazolyl-Imine Ligand for Transfer Hydrogenation of Ketones. J. Organomet. Chem. 2009, 694, 3068-3075. 70. Tan, W. Q.; Yu, Z. K.;* Liu, B.; Wu, K. K.; Liu, Z. S.; Chen, J. Z. Synthesis and structural characterization of (CH2)n-bridged indenyl-pyrazoles and their cyclopentadienyl nickel(II) complexes. J. Organomet. Chem. 2009, 694, 199-206. 69. Tan, W. Q.; Yu, Z. K.;* He, W.; Wang, L. D.; Sun, J.; Chen, J. Z. A Toluene Guest in a Poly(heteronuclear) Complex Host of Ferrocenyl-(CH2)2-Bridged Bispyrazole. Organometallics 2008, 27, 4833-4836. 68. Zeng, F. L.; Yu, Z. K.* Ruthenium(II) Complexes Bearing a Pyridyl-Supported Pyrazolyl-N-Heterocyclic Carbene (NNC) Ligand and Their Catalytic Activity in Transfer Hydrogenation of Ketones. Organometallics 2008, 27, 6025-6028. 67. Zhao, X. D.; Yu, Z. K.* Rhodium-Catalyzed Regioselective C-H Functionalization via Decarbonylation of Acid Chlorides and C-H Bond Activation under Phosphine-Free Conditions. J. Am. Chem. Soc. 2008, 130, 8136-8137. 66. Li, Y.; Yu, Z. K.;* Wu, S. Z. Efficient Copper(II)-Catalyzed Addition of Activated Methylene Compounds to Alkenes. J. Org. Chem. 2008, 73, 5647-5650. 65. Zeng, F. L.; Yu, Z. K.* Exceptionally Efficient Unsymmetrical Ruthenium(II) NNN Complex Catalysts Bearing a Pyridyl-based Pyrazolyl-Imidazolyl Ligand for Transfer Hydrogenation of Ketones. Organometallics 2008, 27, 2898-2901. 64. Zhao, X. D.; Yu, Z. K.;* Xu, T. Y.; Wu, P.; Yu, H. F. Novel Bronsted Acid-Catalyzed Three-Component Alkylations of Indoles with N-Phenylselenophthalimide and Styrenes. Org. Lett. 2007, 9, 5263-5266. 63. Li, Y.; Yu, Z. K.;* Alper, H.* Palladium (II)-Catalyzed Synthesis of Highly Substituted Endocyclic Enol Lactones via a Three-component Coupling Reaction. Org. Lett. 2007, 9, 1647-1649. 62. Tan, W. Q.; Zhao, X. D.; Yu, Z. K.* Synthesis and Structural Characterization of Ruthenium(II) Complexes Bearing Phosphine-Pyrazolyl Based Tripod Ligands. J. Organomet. Chem. 2007, 692, 5395-5402. 61. Yu, Z. K.;* Zeng, F. L.; Sun, X. J.; Deng, H. X.; Dong, J. H.; Chen, J. Z.; Wang, H. M.; Pei, C. X. Two Pseudo-N3 Ligands and the Catalytic Activity of Their Ruthenium Complexes in Transfer Hydrogenation and Hydrogenation of Ketones. J. Organomet. Chem. 2007, 692, 2306-2313. 60. Zheng, Z. Y.; Yu, Z. K.;* Luo, N.; Han, X. W. Tautomerism-Dependent Ring Construction of N-Heterocyclic Compounds from the Reactions of 1-Alkynyl Fischer Carbene Complexes and Substituted Pyrazolinones. J. Org. Chem. 2006, 71, 9695-9700. 59. Li, Y.; Alper, H.;* Yu, Z. K.* Palladium Catalyzed Regiospecific Aminocarbonylation of Alkynes in the Ionic Liquid [bmim][Tf2N]. Org. Lett. 2006, 8, 5199-5201. 58. Zeng, F. L.; Yu, Z. K.* Pyridyl-supported Pyrazolyl-N-Heterocyclic Carbene (NHC) Ligands and the Catalytic Activity of Their Palladium Complexes in Suzuki-Miyaura Reactions. J. Org. Chem. 2006, 71, 5274-5281. 57. Zhao, X. D.; Alper, H.;* Yu, Z. K.* Stereoselective Hydroxycarbonylation of Vinyl Bromides to the Corresponding α,β-Unsaturated Carboxylic Acids in the Ionic Liquid [BMIM]PF6. J. Org. Chem. 2006, 71, 3988-3990. 56. Zheng, Z. Y.; Chen, J. Z.; Luo, N.; Yu, Z. K.;* Han, X., W. Efficient Demetalation of Fischer Alkoxy and Amino-biscarbene Complexes of Chromium via CO-promoted Sulfuration and Selenylation. Organometallics 2006, 25, 5301-5310. 55. Yu, Z. K.;* Yan, S. G.; Zhang, G. T.; He, W.; Wang, L. D.; Li, Y.; Zeng, F. L. Proazaphosphatrane P(RNCH2CH2)3N (R = Me, iPr)-Catalyzed Isomerization of Allylaromatics, Allyl Phenyl Sulfide, Allyl Phenyl Sulfone, and bis-Allylmethylene Double Bond-Containing Compounds. Adv. Synth. Catal. 2006, 348, 111-117. 54. Liu, H.; Zhou, Y. G.; Yu, Z. K.; Xiao, W.-J.;* Liu, S. H.; He, H. W. Efficient Catalytic asymmetric synthesis of alpha-substituted phenyloxyacetyloxy and aroyloxy phosphonates. Tetrahedron 2006, 62, 11207-11217. 53. Gu, K. C.; Yang, G.; Zhang, W. P.; Liu, X. M.; Yu, Z. K.; Han, X. W.;* Bao, X. H. Mechanistic Studies on Michael Type Addition by NMR Technique and DFT Methods: (CO)5W=C(OEt)CCPh as the Substrate. Chin. J. Inorg. Chem. 2006, 22, 1043-1048. 52. Zheng, Z. Y.; Yu, Z. K.;* Wang, L. D.; He, W.; Liu, Z. S.; Han, X. W. Biscarbene Complexes from the Reactions of O-Ethyl Lactim and 1-Alkynyl Fischer Carbene Complexes of Chromium and Tungsten. J. Organomet. Chem. 2006, 691, 5007-5015. 51. Zheng, Z. Y.; Chen, J. Z.; Yu, Z. K.;* Han, X. W. Oxidative Demetalation of Fischer Alkoxy Carbene Complexes with Stoichiometric Pyridine N-Oxide and NaBH4-promoted Demetalation of Fischer Iminocarbene Complexes with Sulfur and Selenium. J. Organomet. Chem. 2006, 691, 3679-3692. 50. Sirimanne, C. T.; Yu, Z. K.; Heeg, M. J.; Winter, C. H.* Synthesis, structure, and bridge-terminal alkyl exchange kinetics of pyrazolate-bridged dialuminum complexes containing bridging n-alkyl groups. J. Organomet. Chem. 2006, 691, 2517-2527. 49. Gu, K. C.; Yang, G.; Zhang, W. P.; Liu, X. M.; Yu, Z. K.; Han, X. W.;* Bao, X. H. An experimental-theoretical approach to the kinetics and mechanism of Michael type addition: α,β-Unsaturated tungsten Fischer carbene complex as the substrate. J. Organomet. Chem. 2006, 691, 1984-1992. 48. 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D.; Yu, Z. K.;* Zeng, F. L.; Chen, J. Z.; Wu, X. W.; Wu, S. Z.; Xiao, W.-J.;* Zheng, Z. Y. Highly Efficient Route to Diselenides from the Reactions of Imines and Selenium in the Presence of Carbon Monoxide and Water. Adv. Synth. Catal. 2005, 347, 877-882. 43. Sun, X. J.; Yu, Z. K.;* Deng, H. X.; Wu, S. Z.; Dong, J. H. Palladium-Catalyzed Coupling of Pyrazoles with 2,6-Dibromopyridine. Chin. J. Catal. 2005, 26, 173-174. 42. Yang, Q.; Xiao, W.-J.;* Yu, Z. K.* Lewis Acid Assisted Ring-Closing Metathesis of Chiral Diallylamines: An Efficient Approach to Enantiopure Pyrrolidine Derivatives. Org. Lett. 2005, 7, 871-874. 41. Chen, J. Z.; Yu, Z. K.;* Zheng, Z. Y.; Gu, K. C.; Wu, S. Z.; Zeng, F. L.; Tan, W. Q.; Wu, X. W.; Xiao, W.-J.* Chemoselective stepwise demetallation of unusually stable Fischer biscarbene complexes by domino [4+2]/[2+2] cycloaddition of 2-isopropenyl-2-oxazoline to 1-alkynyl Fischer carbene complexes of chromium and tungsten. Organometallics 2005, 24, 302-308. 40. Gu, K. C.; Chen, J. Z.; Zheng, Z. Y.; Wu, S. Z.; Wu, X. W.; Han, X. W. Yu, Z. K.;* Synthesis and structural characterization of (pyrazolyl)alkenyl Fischer carbene complexes of chromium and tungsten. Polyhedron 2005, 24, 173-180. 39. Yu, Z. K.; Knox, J. E.; Korolev, A. V.; Heeg, M. J.; Schlegel, H. B.; Winter, C. H.* Synthesis, Characterization, and Hydrolysis Products of (eta2-tBu2pz)AlH-(mu:eta1,eta1-tBu2pz)2AlH2. Structural Characterization of a Complex Containing eta1-, eta2-, and mu:eta1,eta1-Pyrazolato Ligands and a Complex Containing a Terminal Hydroxo Ligand. Eur. J. Inorg. Chem. 2005, 2, 330-337. 38. Chen, J.; Ling, G.; Yu, Z. K.;* Lu, S.* N-Aryl amides from selenium-catalyzed reactions of nitroaromatics and amides in the presence of carbon monoxide and organic base. Adv. Synth. Catal. 2004, 346, 1267. 37. Tian, F. S.; Yu, Z. K.;* Lu, S. W.* Efficient reductive selenation of aromatic aldehydes to symmetrical diselenides with Se/CO/H2O under atmospheric pressure. J. Org. 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