Synthesis of 2,3-disubstituted-2-cyclopentenones via lithiomethylmercapto compounds
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United States of America Patent
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Jun 11, 1991
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N/A
app pub date -
Jan 24, 1990
filing date -
Jan 24, 1990
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Expired
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Abstract
2,3-disubstituted-2-cyclopenenones (such as cisjasmone) are prepared by (a) reacting an alkl 2-chloro-2,3-disubstituted-3-butenoate with a lithiomercaptan compound, (b) subjecting that product to reductive dehydrosulfurization. Methods of preparing the reactants are also disclosed.
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