Narula, A. S. ; Sukh Dev, (1971) Higher isoprenoids—III ☆: degradation of iso-octenyl side-chain of tetracyclic tri-terpenoids—a novel approach Tetrahedron, 27 (6). pp. 1119-1127. ISSN 0040-4020
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0040-4020(01)90859-2
Abstract
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 of over 42% and 38% respectively, is reported.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 95926 |
| Deposited On: | 05 Dec 2012 09:29 |
| Last Modified: | 18 Feb 2013 06:05 |
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