Structure of an analogue of the steroidal isoxazole danazol, ethyl 17α-ethynyl-17-hydroxy-4-androsteno[2,3-d]isoxazole-3'-carboxylate

A. R. Walton, Stephen Neidle, A. B. Foster, David Nicholls
In: Acta Crystallographica Section C Crystal Structure Communications · 1988 · vol. 44(9) , pp. 1621–1624 · doi:10.1107/s0108270188004780 · W2055294298
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Abstract

C 25 H 31 NO 4 cristallise dans P2 1 2 1 2 1 avec affinement jusqu'a 0,043. L'heterocycle est plan. Le groupe acetylenique est en position axiale, et sur la face opposee de la molecule, par rapport aux groupes methyl. Existence de liaison hydrogene intermoleculaires O(hydroxy)… O(isoxazole)

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