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Communication | Special issue | Vol 47, No. 1, 1998, pp.97-100
Published online, 1st January, 1970
DOI: 10.3987/COM-97-S(N)30
Di-functionalization of Alkenes Using an Oxidant Generated from Manganese(II) Chloride under Oxygen: Synthesis ofγ-Lactones

Makoto Hojo, Chikara Murakami, Kaori Ohno, Jun Kuboyama, Shin-ya Nakamura, Hajime Ito, and Akira Hosomi*

*Department of Chemistry, University of Tsukuba, 1-1-1 Ten-nodai, Tsukuba-shi, Ibaraki, 305-8571, Japan

Abstract

Alkenes are oxidatively dichlorinated by stirring with manganese(II) chloride-lithium methoxide under oxygen atmosphere, followed by treatment with conc. hydrochloric acid. This di-functionalization of alkenes can be applied to the chlorolactonization of lithium 4-pentenoates.