Abstract
The product of annelation of the N-vinyl pyrrole ring with steroid skeleton of 5-cholestene was obtained in a single regioselective step by the reaction of 5-cholesten-3-one oxime with acetylene in KOH-DMSO by the Trofimov reaction.
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Vasil'tsov, A.M., Zaitsev, A.B., Mikhaleva, A.I. et al. Annelation of the Pyrrole to the Steroid Skeleton Using the Trofimov Reaction. Chemistry of Heterocyclic Compounds 38, 60–64 (2002). https://doi.org/10.1023/A:1014803325701
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DOI: https://doi.org/10.1023/A:1014803325701