Über die Spaltung der Doppelbindung im N
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W. E. Bachmann; M. P. Cava; André S. Dreiding
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Article
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1959
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John Wiley and Sons
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German
⚖ 268 KB
## Abstract By a careful sidechain cleavage of neoergosteryl acetate, 3,β‐hydroxy‐__ar__, B‐bisnorcholanaldehyde could be isolated as its crystalline dimethyl acetal (Va). Acetylation and bromination afforded 3β‐acetoxy‐20‐bromo‐__ar__, B‐bisnorcholanaldehyde(VI), which was converted to the 2,4‐din