Higher isoprenoids—III : Degradation of iso-octenyl side-chain of tetracyclic tri-terpenoids—a novel approach

作者: A.S. Narula , Sukh Dev

DOI: 10.1016/S0040-4020(01)90859-2

关键词:

摘要: A novel efficient sequence of reactions, by which 9,19-cyclo-4,4,14α-trimethyl-3β-acetoxy-5α,9β-pregnan-20-one (V) and 9,19-cyclo-4,4,14α-trimethyl-3β-acetoxy-5α,9β-androstan-17-one (VI) can be obtained from cycloartenol (I) in overall yields over 42% 38% respectively, is reported.

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