SYNTHETIC APPLICATION OF METHYL(PHENYLTHIO)KETENE - SYNTHESIS OF VICINAL-SUBSTITUTED CYCLOPENTENE DERIVATIVES

被引:48
作者
ISHIDA, M [1 ]
MINAMI, T [1 ]
AGAWA, T [1 ]
机构
[1] OSAKA UNIV,FAC ENGN,DEPT PETR CHEM,SUITA,OSAKA 565,JAPAN
关键词
D O I
10.1021/jo01327a004
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Methyl (phenylthio) ketene (1) reacts with olefins to yield-erodo-(phenylthio)cyclobutanones 3, which are converted into a-methylenecyclobutanones 5. On the other hand, the reaction of the ketene 1 with mines gives a mixture of cis-and irans-a-(phenylthio)azetidin-2-ones (7 and 8). a-Methyleneazetidin-2-one 10a was obtained similarly from cs-a-(phenylthio)azetidin-2-one 7a. The reaction of the cyclopentadiene adduct, 7-methyl-7-(phenylthio) bicyclo[3.2.0]-2-hepten-6-one (3a), with various nucleophiles was investigated. The synthetic evaluation and the stereochemistry of the products are discussed. © 1979, American Chemical Society. All rights reserved.
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页码:2067 / 2073
页数:7
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