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Helvetica chimica acta

A Novel Three??Carbon Ring Expansion Sequence Synthesis of Exaltone® and (±)??Muscone

C Fehr

文献索引:Fehr, Charles Helvetica Chimica Acta, 1983 , vol. 66, # 8 p. 2512 - 2518

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被引用次数: 21

摘要

Abstract Intramolecular Grignard-type reaction of the bromo lactones 3 and 8 affords the macrocycles 10, 11, 12 and 13, 14, 15, respectively. More efficiently, 10 and 13 are obtained by intramolecular nucleophilic attack of the carbanions derived from the sulfonyl lactones 20