
Tetrahedron p. 3351 - 3354 (1983)
Update date:2022-08-16
Topics:
Pinto, A. C.
Patitucci, M.L.
Silva, R.S. Da
Queiroz, P.P.S.
Kelecom, A.
Pimarane and cleistanthane diterpenes isolated from Velloziaceae are shown, by CD studies, to possess the same (5S,10S) absolute configuration.A biomimetic rearrangement of the pimarane into the cleistanthane skeleton is described.The structure of a new natural diterpene, cleistantha-8,11,13-trien-7-one is also reported.
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