The structure of handelin — A new diguaianolide fromHandelia trichophylla
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1. A new lactone, handelin, with the composition C32H40O8 has been isolated from the epigeal part ofHandelia trichophylla Heimerl.
2. It has been established by chemical and spectral investigations that handelin is a diguaianolide, and the nature of the linkage of its guaiane fragments and the stereochemistry of the molecule as a whole have been determined.
KeywordsLactone Lactone Ring Acetyl Chloride Decalin Platinum Oxide
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