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Asymmetric Alkynylation of Aldehydes Catalyzed by Bifunctional Zinc(salen) Complex
The asymmetric alkynylation of aldehydes catalyzed by bifunctional Zn(salen) catalyst was realized. With a Kozlowski salen ligand (7e) bearing secondary basic 1-piperidinylmethyl groups at C-3 and C-3', the enhanced catalytic reactivity and stereoselectivity in comparison with that of normal salen ligands in the alkynylzinc addition to aldehydes were observed.
作 者： SHEN Chun CHEN Lei TANG Jie XU Minghua 作者單位： SHEN Chun(Department of Chemistry,East China Normal University,3663 Zhongshan Road,Shanghai 200062,China; Shanghai institute of Materia Medica,Chinese Academy of Sciences,555 Zuchongzhi Road,Shanghai 201203,China)CHEN Lei,XU Minghua(Shanghai institute of Materia Medica,Chinese Academy of Sciences,555 Zuchongzhi Road,Shanghai 201203,China)
TANG Jie(Department of Chemistry,East China Normal University,3663 Zhongshan Road,Shanghai 200062,China)
刊 名： 中國化學（英文版） SCI 英文刊名： CHINESE JOURNAL OF CHEMISTRY 年，卷(期)： 2009 27(2) 分類號： O6 關鍵詞： asymmetric alkynylation bifunctional catalyst salen【Asymmetric Alkynylation of Aldehydes】相關文章：