Antifertility agents: a synthetic entry to yuehchukene analogues; stereoselective synthesis of 7,7-bis-nor-yuehchukene via 9-methyl-6-oxo-6aβ-7,8,10aβ-tetrahydroindeno[2,1-b]indole
- 1 January 1988
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- No. 12,p. 3317-3322
- https://doi.org/10.1039/p19880003317
Abstract
Intermolecular Diels–Alder reaction and polyphosphate ester-catalysed intramolecular acylation are used in a synthetic approach to 9-methyl-6-oxo-6aβ-7,8,10aβ-tetrahydroindeno[2,1-b] indole (15), the basic structure of the antifertility agent yuehchukene (1). Stereoselective conversion of (15) into 7,7-bis-nor-yuehchukene (19) is also described.Keywords
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