A SIMPLE ROUTE TO AN ENANTIOMERICALLY PURE DIPHOSPHINE LIGAND CONTAINING A PHOSPHORUS STEREOGENIC CENTER

被引：35

作者：

AW, BH ^{[1
]}

LEUNG, PH ^{[1
]}

机构：

[1] NATL UNIV SINGAPORE,DEPT CHEM,SINGAPORE 0511,SINGAPORE

来源：

TETRAHEDRON-ASYMMETRY | 1994年 / 5卷 / 07期

关键词：

D O I：

10.1016/0957-4166(94)80148-7

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The (+)- and (-)- forms of 5-(diphenylphosphino)-2,3-dimethyl-7-phenyl-7-phosphabicyclo[2.2.1]hept-2-ene have been prepared enantioselectively via an asymmetric Diels-Alder reaction between diphenylvinylphosphine and 1-phenyl-3,4-dimethylphosphole (DMPP) using 0.5 equiv of (R)-(-)- and (S)-(+)-bis(mu-chloro)bis[1-[1-(dimethylamino)ethyl]-2-naphthalenyl-C,N]dipalladium(II), respectively, as the chiral catalyst. The enantiomeric purity of the diphosphine ligand has been confirmed by H-1 and P-31 NMR studies.

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页码：1167 / 1170

页数：4

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