Addition of hydrogen halides to alkylidenecyclopropanes: A highly efficient and stereoselective method for the preparation of homoallylic halides

Amal I. Siriwardana, Itaru Nakamura, Yoshinori Yamamoto

研究成果: Article査読

47 被引用数 (Scopus)

抄録

The reaction of alkylidenecyclopropanes with HCl or with HBr proceeds very smoothly at 120°C to produce the corresponding homoallylic halides stereoselectively in good to excellent yields. For example, the reaction of (1-phenylbenzylidene)cyclopropane, (1-butylpentylidene)cyclopropane and octylidenecyclopropane with hydrochloric acid produced the corresponding homoallylic chlorides, 4-chloro-1,1-diphenyl-1-butene, 4-butyl-1-chloro-3-octene and (E)-1-chloro-3-undecene in 99, 96, and 87% yields, respectively. The reaction of (1-butylpentylidene)cyclopropane with hydrobromic acid yielded 1-bromo-4-butyl-3-octene in 95% yield.

本文言語English
ページ(範囲)985-987
ページ数3
ジャーナルTetrahedron Letters
44
5
DOI
出版ステータスPublished - 2003 1 27

ASJC Scopus subject areas

  • Biochemistry
  • Drug Discovery
  • Organic Chemistry

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