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A HIGH YIELDING SYNTHESIS OF (25R)-SPIRO[CYCLOPROPANE-1,2'-(19-NOR-SPIROST-4-EN-22-ALPHA-O)-3-ONE]

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Title A HIGH YIELDING SYNTHESIS OF (25R)-SPIRO[CYCLOPROPANE-1,2'-(19-NOR-SPIROST-4-EN-22-ALPHA-O)-3-ONE]
 
Creator DESAI, UR
TRIVEDI, GK
 
Description The synthesis of title compound (1) by a series of functional group transformations in a high overall yield from the commercially available diosgenin is described. The synthesis requires 5-alpha, 6-beta-bromohydrin formation, radical-initiated ring formation, regioselective opening of the epoxy ring, and regioselective cyclopropanation as crucial steps.
 
Publisher COUNCIL SCIENTIFIC INDUSTRIAL RESEARCH
 
Date 2011-07-20T11:36:22Z
2011-12-26T12:51:27Z
2011-12-27T05:36:39Z
2011-07-20T11:36:22Z
2011-12-26T12:51:27Z
2011-12-27T05:36:39Z
1991
 
Type Article
 
Identifier INDIAN JOURNAL OF CHEMISTRY SECTION B-ORGANIC CHEMISTRY INCLUDING MEDICINAL CHEMISTRY, 30(7), 635-638
0376-4699
http://dspace.library.iitb.ac.in/xmlui/handle/10054/5460
http://hdl.handle.net/10054/5460
 
Language en