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.[60] Tan B., Zhang X., Chua P. J., Zhong G. Recyclable organocatalysis: highly enantioselective Michael addition of 1,3diaryl1,3propanedione to nitroolefins. Chem. Commun., 2009, 45(7): 779781.[61] Yue L., Du W., Liu Y. K., Chen Y. C. Organocatalytic Asymmetric Direct Michael Addition of Aromatic Ketones to Alkylidenemalononitriles. Tetrahedron Lett. 2008, 49(12) 38813884.[63] Yasuda K., Shindo M., Koga K. Enantioselective Michael reaction of ketone lithium enolates using a chiral amine ligand. Tetrahedron Lett. 1996, 37(35): 6343[63] Kang T. R., Xie J. W., Du W., Feng X., Chen Y. C. Stereoselective desymmetrisation of prochiral α,αdicyanoalkenes via domino Michael–Michael addition reactions. Org. Biomol. Chem., 2008, 6, 26732675.[64] Zhu Q., Cheng L., Lu Y. Asymmetric organocatalytic Michael addition of ketones to vinyl sulfone. Chem. Commun., 2008, 44(47): 6315–6317.[65] Li P., Wen S., Yu F., Liu Q., Li W., Wang Y., Liang X., Ye J. Enantioselective Organocatalytic Michael Addition of Malonates to α,βUnsaturated Ketones. Org. Lett., 2009, 11(3): 753756.[66] Wang J., Li H., Zu L., Jiang W., Xie H., Duan W., Wang W. Organocatalytic Enantioselective Conjugate Additions to Enones. J. Am. Chem. Soc. 2006, 128(39): 12652–12653.[67] Gu C. L., Liu L., Sui Y., Zhao J. L., Wang D., Chen Y. J. Highly enantioselective Michael additions of αcyanoacetate with chalcones catalyzed by bifunctional cinchonaderived thiourea organocatalyst. Tetrahedron: Asymmetry. 2007,18(4): 455–463.[68] Vakulya B., Varga S., Cs225。mpai A, So243。s T. Highly Enantioselective Conjugate Addition of Nitromethane to Chalcones Using Bifunctional Cinchona Organocatalysts. Org. Lett. 2005, 7(10): 19671969.[69] Sera A., Takagi K., Katayama H., Yamada H. HighPr ,ssure Asymmetric Michael Additions of Thiols, Nitromethane, and Methyl Oxoindancarboxylate to Enones. J. Org. Chem. 1988,53(6): 11571161.[70] Li P. F., Wang Y. C., Liang X. M., Ye J. X. Asymmetric multifunctional organocatalytic Michael addition of nitroalkanes to α,βunsaturated ketones. Chem. Commun. 2008, 44(28): 33023304.[71] Vakulya B., Varga S., Soos T. EpiCinchona Based Thiourea Organocatalyst Family as an Efficient Asymmetric Michael Addition Promoter: Enantioselective Conjugate Addition of Nitroalkanes to Chalcones and α,βUnsaturated NAcylpyrroles. J. Org. Chem. 2008, 73(9): 3475–3480.[72] Prakash G. K. S., Wang F., Stewart T., Mathew T., Olah G. A.. αFluoroαnitro(phenylsulfonyl)methane as a fluoromethyl pronucleophile: Efficient stereoselective Michael addition to chalcones. PNAS, 2009, 106(11): 4090–4094.[73] Jiang H., Paix227。o M. W., Monge D., J248。rgensen K. A. Acyl Phosphonates: Good Hydrogen Bond Acceptors and Ester/Amide Equivalents in Asymmetric Organocatalysis. J. Am. Chem. Soc. 2010, 132 (8): 2775–2783.[74] Ye J., Dixon D. J., Hynes, P. S. Enantioselective organocatalytic Michael addition of malonate esters to nitro olefins using bifunctional cinchonine derivatives. Chem. Commun. 2005, 41(35): 44814483.[75] Jakubec P., Cockfield D. M., Hynes P. S., Cleator E., Dixon D. J. Enantio and Diastereoselective Michael Additions of CSuccinimidyl Esters to Nitro Olefins Using Cinchoninederived Bifunctional Organocatalysts. Tetrahedron: Asymmetry 2011, 22(11): 1147–1155.[76] Jakubec P., Cockfield D. M., Dixon D. J. Total Synthesis of ()Nakadomarin A. J. Am. Chem. Soc. 2009, 131(46): 16632–16633.[77] Hynes P. S., Stupple P. A., Dixon D. J. Organocatalytic Asymmetric Total Synthesis of (R)Rolipram and Formal Synthesis of (3S,4R)Paroxetine. Org. Lett. 2008, 10(7): 13891391.[78] McCooey S. H., Connon S. J. Urea and thioureasubstituted cinchona alkaloid derivatives as highly efficient bifunctional organocatalysts for the asymmetric addition of malonate to nitroalkenes: inversion of configuration at C9 dramatically improves catalyst performance. Angew. Chem., . 2005, 44(39): 63676370.[79] Hynes P. S., Stranges D., Stupple P. A., Guarna A., Dixon D. J. Organocatalytic Diastereo and Enantioselective Michael Addition Reactions of 5Aryl1,3dioxolan4ones. Org. Lett. 2007, 9(11): 21072110.[80] Malerich J. P., Hagihara K., Rawal V. H. Chiral Squaramide Derivatives are Excellent Hydrogen Bond Donor Catalysts. J. Am. Chem. Soc. 2008, 130(44): 14416–14417.[81] Luo J., Xu L. W., Hay R. A. S., Lu Y. Asymmetric Michael Addition Mediated by Novel Cinchona AlkaloidDerived Bifunctional Catalysts Containing Sulfonamides. Org. Lett. 2009, 11(2): 437–440.[82] Zhu, Q., Lu, Y. Enantioselective Conjugate Addition of Nitroalkanes to Vinyl Sulfone: An Organocatalytic Access to Chiral Amines. Org. Lett. 2009, 11(8): 17211724.[83] Wang B., Wu F., Wang Y., Liu X., Deng L. Control of Diastereoselectivity in Tandem Asymmetric Reactions Generating Nonadjacent Stereocenters with Bifunctional Catalysis by Cinchona Alkaloids. J. Am. Chem. Soc. 2007, 129(4): 768769.[84] Cucinotta C. S., Kosa M., Melchiorre P., Cavalli A., Gervasio F. L. Bifunctional Catalysis by Natural Cinchona Alkaloids: A Mechanism Explained. Chem. Eur. J. 2009, 15, 79137921.[85] Berkesssel A., Gr246。ger H., MacMillan D. Asymmetric Organocatalysis from Biomimetic Concept to Application in Asymmetric Synthesis,WileyVCH,Weinheim, 2005, 1435.[86] Collona S., Hiemstra H., Wynberg H. Asymmetric induction in the basecatalysed Michael addition of nitromethane to chalcone. J. Chem. Soc., Chem. Commun. 1978, 6, 238239. [87] Corey E. J., Zhang F. Y. Enantioselective Michael Addition of Nitromethane to α,βEnones Catalyzed by Chiral Quaternary Ammonium Salts. A Simple Synthesis of (R)Baclofen. Org. Lett. 2000, 2(26): 42574259.31