Westphalen's diol diacetate: 19(10→5)-abeo-5β-cholest-9-ene-3β,6β-diyl diacetate

Ramírez Hernández, Johana y Sandoval Ramírez, Jesús y Meza Reyes, Socorro y Vega Báez, José Luis y Bernès, Sylvain (2012) Westphalen's diol diacetate: 19(10→5)-abeo-5β-cholest-9-ene-3β,6β-diyl diacetate. Acta crystallographica. Section E, 68 (12). o3331-o3331. ISSN 1600-5368

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Resumen

The structure of the title steroid [alternative name: 3,6-diacetoxy-5-methyl-19-norcholest-9(10)-ene], C31H50O4, confirms the generally accepted mechanism for the rearrangement of a cholestan-5�-ol derivative reported a century ago by Westphalen. The methyl group at position 10 of the starting material migrates to position 5 in the steroidal nucleus, while a 9 bond is formed, as indicated by the C C bond length of 1.347 (4) A

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