A novel synthesis of steroidal indoxyls
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Alfred Hassner; Makhluf J. Haddadin
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Article
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1962
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Elsevier Science
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French
β 123 KB
IN attempts towards the synthesis of steroidal alkaloids1 we treated 5androstene-3B-ol-17-one with g-nitrobenzaldehyde in basic solution and obtained instead of the expected 16-(2-nitrobenzal) compound a yellow acidic product, m.p. 267-269' (dec.), in 75 per cent yield, to which structure Ia is attr