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Abstract <p>Oxidative cleavage of (+)-3-carene gave vicinal disubstituted dimethylcyclopropane α,ω-amido- and ketoesters, and intramolecular cyclization of the latter by the action of methanesulfonic acid afforded (4<i>R</i>)-4-ethenyl-5,5-dimethyltetrahydrofuran-2-one and 6,6-dimethyl-5-(2-oxopropyl)tetrahydro-2<i>H</i>-pyran-2-one.</p>

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Synthesis of (4R)-4-Ethenyl-5,5-dimethyltetrahydrofuran-2-one and 6,6-Dimethyl-5-(2-oxopropyl)tetrahydro-2H-pyran-2-one from (+)-3-Carene

  • 期刊论文

  • 发表日期：

    2025年10月1日

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  • G. A. Shavaleeva,
  • N. A. Ivanova,
  • M. S. Miftakhov

摘要

Abstract

Oxidative cleavage of (+)-3-carene gave vicinal disubstituted dimethylcyclopropane α,ω-amido- and ketoesters, and intramolecular cyclization of the latter by the action of methanesulfonic acid afforded (4R)-4-ethenyl-5,5-dimethyltetrahydrofuran-2-one and 6,6-dimethyl-5-(2-oxopropyl)tetrahydro-2H-pyran-2-one.