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US 8,796,489 B2Granted
Ketobenzofuran derivatives, method for synthesizing same, and intermediates
AssigneeSanofi
InventorsFrédéric Bailly, Bernard Grimaud, Irina Malejonock, Philippe Vayron
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Abstract
The present disclosure relates to ketobenzofuran derivatives of the general formula (I): as well as to a method of synthesizing the same by coupling a quinonimine and an enaminone by a Nenitzescu reaction and to the intermediates of the synthesis thereof.
Claims1
An enaminone chosen from the compounds of following formulae (II′a), (II′b), (II′c) and (II′d):
Dependencies are inferred from the claim text.