STUDIES ON THE USE OF BIDENTATE LIGANDS IN THE DIRECTED PAUSON-KHAND REACTION

被引：41

作者：

KRAFFT, ME

JULIANO, CA

机构：

[1] Department of Chemistry, Florida State University, Tallahassee

来源：

JOURNAL OF ORGANIC CHEMISTRY | 1992年 / 57卷 / 19期

关键词：

D O I：

10.1021/jo00045a021

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The use of bidentate ligands in the directed Pauson-Khand reaction was investigated. Substrates with a three-carbon linkage between the two heteroatoms gave better results than substrates containing two-carbon tethers. Higher yields and better regioselectivities were observed with thioamines and bisthioethers compared to diamines. Overall, only a few bidentate substrates showed marked improvements over previous results obtained with analogous monodentate compounds. Rationalizations based on the possible modes of cycloaddition operative for the various substrates studied are presented.

引用

页码：5106 / 5115

页数：10

共 26 条

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