Enantioselective synthesis of C2-symmetric spirobipyridine ligands through cationic Rh(I)/modified-BINAP-catalyzed double [2+2+2] cycloaddition

被引：87

作者：

Wada, Azusa ^{[1
]}

Noguchi, Keiichi

Hirano, Masao

Tanaka, Ken

机构：

[1] Tokyo Univ Agr & Technol, Grad Sch Engn, Dept Appl Chem, Koganei, Tokyo 1848588, Japan

[2] Tokyo Univ Agr & Technol, Instrumentat Anal Ctr, Koganei, Tokyo 1848588, Japan

来源：

ORGANIC LETTERS | 2007年 / 9卷 / 07期

关键词：

D O I：

10.1021/ol070129e

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Enantioenriched C-2-symmetric spirobipyridine ligands were efficiently synthesized through a cationic rhodium(I)/(R)-Segphos or (R)-H-8-BINAP complex-catalyzed enantioselective intramolecular double [2 + 2 + 2] cycloaddition of bis-diynenitriles.

引用

页码：1295 / 1298

页数：4

共 70 条

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