Nickel-catalyzed cycloaddition of unsaturated hydrocarbons and carbonyl compounds

被引：65

作者：

Tekevac, TN ^{[1
]}

Louie, J ^{[1
]}

机构：

[1] Univ Utah, Dept Chem, Salt Lake City, UT 84112 USA

来源：

ORGANIC LETTERS | 2005年 / 7卷 / 18期

关键词：

D O I：

10.1021/ol0515558

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A mild and general route for preparing pyrans and dienones from carbonyls and diynes is described. Ni imidazolylidene complexes were used to mediate cyclizations between diynes and aldehydes. The reaction of an enyne and an aldehyde afforded a mixture of cyclized products. In addition, a spiropyran was prepared from the cycloaddition of a diyne and cyclohexanone.

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页码：4037 / 4039

页数：3

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