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Communication | Regular issue | Vol 27, No. 1, 1988, pp.21-26
Published online, 1st January, 1970
DOI: 10.3987/COM-87-4314
Highly Stereoselective Cyclization of Epoxyketone Promoted by Acid

Toshio Suzuki,* Etsuko Sato, Hitomi Ihara, Katsuo Unno, and Tetsuji Kametani*

*Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo 142-8501, Japan


Epoxidation of the protected ally1 alcohol (8) with m-chloroperbenzoic acid provided the unexpected 1-oxa-bicyclo[3.2.03,6]heptane (11) along with the corresponding epoxyketone (10) which was easily converted to (11) by acid.