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Title: Synthesis of β-formylsteroidal enamides and their conversion into geminal dichlorides
Authors: Boruah, Romesh C
Ahmed, Shahadat
Sharma, Utpal
Sandhu, Jagir S
Issue Date: Mar-1999
Publisher: NISCAIR-CSIR, India
Abstract: A novel class of β -formylsteroidal enamides has been prepared from 16-dehydropregnenolone-20-oxime. Reaction of these enamides with Vilsmeier reagent affords steroidal geminal dichlorides in good yields. Reaction of the corresponding C-16 formylidenemalononitrile derivative with chloromethyleneiminium salt, however, leads to a ring-D fused pyridosteroid.
Page(s): 274-282
Appears in Collections:IJC-B Vol.38B(03) [March 1999]

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