Rhodium-catalyzed enantio- and diastereoselective intramolecular [2+2+2] cycloaddition of unsymmetrical dienynes

被引：30

作者：

Sagae, Hiromi ^{[1
]}

Noguchi, Keiichi ^{[2
]}

Hirano, Masao ^{[1
]}

Tanaka, Ken ^{[1
]}

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：

CHEMICAL COMMUNICATIONS | 2008年 / 32期

关键词：

D O I：

10.1039/b804294b

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A cationic rhodium(I)/(R)-H-8-BINAP or (R)-Segphos complex catalyzes an intramolecular 12 + 2 + 21 cycloaddition of unsymmetrical dienynes, leading to fused tri- and tetracyclic cyclohexenes bearing two tertiary or quaternary carbon centers in high yields with high enantio- and diastereoselectivity.

引用

页码：3804 / 3806

页数：3

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