Photoreactions of Sterically Hindered Ke
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Prof. Dr. Wolfgang Kirmse; Dr. Walter Spaleck
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Article
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1981
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John Wiley and Sons
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English
โ 214 KB
While methylation of lithium cyclopropylcarbenoids is easy, their reaction with electrophilic cyclopentadienes causes serious problems. Cyclopentenone can be reacted with lithium cyclopropylcarbenoids bearing groups X of low steric requirement. G.