Conclusions
The amidomethylation of the pregna-5,16-dien-3β-o1-20-one and pregn-5-en-3β-o1-20-one acetates with either N-chloromethylor N-hydroxymethylbenzaraide proceeds at the more nucleophilic Δ5 bond to give the isomeric 6-benzamidomethyl-substituted derivatives.
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Literature cited
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See [1] for Communication 76.
Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 5, pp. 1129–1132, May, 1976.