Borthakur, M and Boruah, R C (2008) A microwave promoted and Lewis acid catalysed solventless approach to 4-azasteroids. Steroids, 73 (6). pp. 637-341.
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Abstract
The preparation of 3-oxo-4-azasteroid fromA-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.
| Item Type: | Article |
|---|---|
| Subjects: | Chemistry > Organic Chemistry |
| Divisions: | UNSPECIFIED |
| Depositing User: | Dr. PK Barooah |
| Date Deposited: | 28 Dec 2011 05:57 |
| Last Modified: | 28 Dec 2011 05:57 |
| URI: | http://neist.csircentral.net/id/eprint/125 |
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