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New Synthesis of dl-sativene,dl-copacamphene,dl-cis-sativenediol and dl-helminthosporal
Authors:Mitsutoshi Yanagiya  Kimiyoshi Kaneko  Takashi Kaji  Takeshi Matsumoto
Affiliation:Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo, Japan
Abstract:Photocycloadducts from dl-piperitone and 1,1-dimethoxyethylene afforded bicyclo[3.2.1]oct-6-en-8-one derivatives under glc conditions in excellent yields. The synthesis of the title sesquiterpenes was accomplished using the bridged bicyclic compounds as intermediates.
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