COPPER(II) IN ORGANIC-SYNTHESIS .11. EVALUATION DF THE LIGAND ARCHITECTURE ON THE EFFICIENCY OF A COPPER(II) CATALYST FOR ENANTIOSELECTIVE MICHAEL REACTIONS

被引：52

作者：

DESIMONI, G

DUSI, G

FAITA, G

QUADRELLI, P

RIGHETTI, P

机构：

[1] Dipartimento di Chimica Organica dell'Università, I-27100 Pavia

来源：

TETRAHEDRON | 1995年 / 51卷 / 14期

关键词：

D O I：

10.1016/0040-4020(95)00130-Z

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Several bis-copper (II) complexes with chiral ligands derived from 2-substituted 2-(salicylideneamino) ethanols have been tested as catalysts of enantioselective Michael reactions. The degree of enantioselection is strongly affected by the architecture of the ligand. The best result (75% e.e.) was obtained for a ligand having a substituent potentially suitable to induce the formation of a bis-tetradentate copper (II) complex with a square pyramidal coordination.

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页码：4131 / 4144

页数：14

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