Abstract:
:The preparation of 3-oxo-4-azasteroid from A-nor-3,5-secosteroid-3-oic acid is described in a solventless condition catalysed by Lewis acid under microwave irradiation. We utilized urea as an environmentally benign source for the generation of ammonia for the aza cyclization reaction.
journal_name
Steroidsjournal_title
Steroidsauthors
Borthakur M,Boruah RCdoi
10.1016/j.steroids.2008.01.022subject
Has Abstractpub_date
2008-07-01 00:00:00pages
637-41issue
6eissn
0039-128Xissn
1878-5867pii
S0039-128X(08)00048-2journal_volume
73pub_type
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