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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]|
|Authors: ||DESAI, UR|
|Issue Date: ||1991|
|Publisher: ||COUNCIL SCIENTIFIC INDUSTRIAL RESEARCH|
|Citation: ||INDIAN JOURNAL OF CHEMISTRY SECTION B-ORGANIC CHEMISTRY INCLUDING MEDICINAL CHEMISTRY, 30(7), 635-638|
|Abstract: ||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.|
|Appears in Collections:||Article|
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