Tetrahedron p. 3739 - 3748 (1984)
Update date:2022-09-26
Topics:
Pandey, U. C.
Sarmah, P.
Sharma, R. P.
Reaction of an acyclic diterpene alcohol 1c with chlorotrimethylsilane and sodium iodide or SnCl4 furnishes compounds 7 and 8.This cyclization is reminiscent of the biosynthesis of pallescensins E-G - an analogous compounds in sesquiterpenoids.Reaction of the epoxide 2 with SnCl4 furnishes only the acyclic compounds 12, 13, 14a, 14c and 15a.Photolysis of 2 results in the formation of ( 4+2) photocycloaduct 21.
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