Bulletin of the Chemical Society of Japan p. 1425 - 1426 (1984)
Update date:2022-08-05
Topics:
Shimizu
Itoh
Ichinohe
Matsumoto
The acid-catalyzed isomerization of 24-methylenecycloartanol with sulfuric acid afforded cyclosadol (23E- DELTA **2**3), isocyclosadol (23Z- DELTA **2**3), and other isomers, including lanostane- and cucurbitane-type isomers with (23E)- and (23Z)- DELTA **2**3- and DELTA **2**4-unsaturated side chains. The phytochemical significance of the isomers is discussed.
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