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Photochemical and Beckmann rearrangement of (Z)-cholest-4-en-6-one oxime / Fotohemijsko i Bekmanovo premeštanje(z)-holest-4-en-6-on oksima
(Serbian Chemical Society, 2004)
Beckmann rearrangement of (Z)-cholest-4-en-6-one oxime (4) (prepared in 4 steps starting from cholest-5-en-3β-ol ο1)) with thionyl chloride in dioxane solution afforded an enamide-type lactam, i.e. 7-aza-B-homocholest-4-en-6-one ...