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16-Dehydropregnenolone acetate 16-DPA

An efficient preparation of 1,5-diketones as precursors to D-ring annulated heterosteroids was elaborated by R.C. Boruah et al. [96] (Scheme 24). Readily available 16-dehydropregnenolone acetate (16-DPA) was used in a Michael reaction with enamines. [Pg.23]

The reaction of 16-dehydropregnenolone acetate (16-DPA) (149) with P4S10 afforded a novel adduct I6-DPA-P2S5 (150). The adduct undergoes... [Pg.323]

A photooxygenation step was also found useful for the synthesis of dehydropregnenolone acetate (16-DPA, 61) - an ideal starting material for the preparation of important steroidal drugs - from naturally occurring diosgenin (59, Scheme 2.35). ... [Pg.105]

See other pages where 16-Dehydropregnenolone acetate 16-DPA is mentioned: [Pg.119]    [Pg.290]    [Pg.119]    [Pg.290]   
See also in sourсe #XX -- [ Pg.23 ]



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