Steroids and Related Products. XVIII. 1 The Synthesis of 11β, 12α-Dibromoprogesterone2
J Capitaine, R Deghenghi…
Index: Capitaine,J. et al. J. Med. Chem., 1963 , vol. 6, p. 79 - 82
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Citation Number: 7
Abstract
3-Cyclic Ethylene Acetal of 17a-Hydroxy-3, 11-dioxo-4-etio-cholenohydroxamic Acid (1Vj.-A stock solution of hydroxylamine was prepared: to a solution of 13.90 g. of hydroxylamine hydrochloride in 140 ml. of methanol was added portionwise a solution of sodium methoxide prepared from 4.6 g. of sodium and 100 ml. of methanol. The resulting mixture was cooled briefly and filtered from the precipitated sodium chloride. The ketal I (29.0 g.) was ...
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