The first example of the 1-chalcogene-substituted formylolefination of the ketones and aldehydes using 1-lithio-2-ethoxyvinyl chalcogenides

被引：20

作者：

Yoshimatsu, M ^{[1
]}

Oguri, K ^{[1
]}

Ikeda, K ^{[1
]}

Gotoh, S ^{[1
]}

机构：

[1] Gifu Univ, Fac Engn, Dept Chem, Gifu 50111, Japan

来源：

JOURNAL OF ORGANIC CHEMISTRY | 1998年 / 63卷 / 13期

关键词：

D O I：

10.1021/jo980487i

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The alpha-chalcogene-substituted formylolefinations of ketones and aldehydes proceeded using 1-lithio-2-ethoxyvinyl chalcogenides/PPSE or TMSOTf produce the alpha-chalcogenoformylolefinated products 4a-1 in high yields. Tandem-formylolefination provided the (2Z,4Z)-2,4-bis(chalcogeno)pent-2,4-dienals 5d,h,i and (2Z,4Z,6Z)-2,4,6-tris(phenylthio)hept-2, derivatives 7d and 8d, respectively.

引用

页码：4475 / 4480

页数：6

共 34 条

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