ORGANIC SYNTHESES VIA TRANSITION-METAL COMPLEXES .77. 2-BUTENE-1,4-DIONES BY PHOTOINDUCED ACYL MIGRATION OF ([2-(ACYLOXY)ETHENYL]CARBENE)CHROMIUM COMPLEXES

被引：8

作者：

AUMANN, R

JASPER, B

机构：

[1] Organisch-Chemisches Institut der Uniuersität Münster, D-48149 Münster

来源：

ORGANOMETALLICS | 1995年 / 14卷 / 03期

关键词：

D O I：

10.1021/om00003a055

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Photolysis of [(Z)-2-(acyloxy)ethenyl]carbene complexes (CO)(5)Cr=C(OEt)CH=C(OCOR(1))R [(Z)-3] (R = C6H5, t-Bu, c-Pr; R(1) = C6H5, c-Pr, c-C7H7CH2, t-Bu, Me(2)C=CH) with UV light of >300 nm affords 2-butene-1,4-diones R(1)COC(OEt)=CHCOR [(E)-6] (60-68%), by a novel metal-mediated acyl migration. Compounds (Z)-6 and furans 7 are formed as minor products.

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页码：1461 / 1465

页数：5

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