ENANTIOSELECTIVE DIELS-ALDER REACTIONS OF ENALS - FIGHTING SPECIES MULTIPLICITY OF THE CATALYST WITH DONOR SOLVENTS

被引：73

作者：

SARTOR, D ^{[1
]}

SAFFRICH, J ^{[1
]}

HELMCHEN, G ^{[1
]}

RICHARDS, CJ ^{[1
]}

LAMBERT, H ^{[1
]}

机构：

[1] UNIV HEIDELBERG,INST ORGAN CHEM,NEUENHEIMER FELD 270,W-6900 HEIDELBERG,GERMANY

来源：

TETRAHEDRON-ASYMMETRY | 1991年 / 2卷 / 07期

关键词：

D O I：

10.1016/S0957-4166(00)86117-0

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Chiral Lewis acids obtained from reactions of N-arylsulphonylamino acids with borane adducts effectively catalyze Diels-Alder additions of alpha,beta-unsaturated aldehydes. Maximum enantioselectivity (methacrylaldehyde: 86 %ee, crotonaldehyde: 81 %ee) was achieved in donor solvents. The first results with new chiral Lewis acids derived from C2-symmetric N-sulphonyl derivatives of 2,2'-diamino-1,1'-binaphthyl are also presented.

引用

页码：639 / 642

页数：4

共 14 条

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