Abstract:
Treatment of 16β-acetoxy-22-oxocholestanes with methylenetriphenylphosphorane results in the cleavage of C22–C23 bond and formation of bisnorcholanic (22→16)-lactones. The analogous fragmentation also partially proceeds on ButOK action.
Citation:
Z. R. Valiullina, L. S. Khasanova, N. K. Selezneva, F. A. Gimalova, K. K. Pivnitsky, M. S. Miftakhov, “Unexpected fragmentation of 16β-acetoxy-22-oxocholestanes on the action of methylenetriphenylphosphorane”, Mendeleev Commun., 24:5 (2014), 272–273
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https://www.mathnet.ru/eng/mendc2549
https://www.mathnet.ru/eng/mendc/v24/i5/p272
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