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Takeda Pharmaceutical Co Ltd
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Takeda Chemical Industries Ltd
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Publication date
Application filed by Takeda Chemical Industries LtdfiledCriticalTakeda Chemical Industries Ltd
Publication of ES403482A1publicationCriticalpatent/ES403482A1/en
A method for the production of a compound of the general formula ** (see formula) ** Wherein r represents a hydrogen atom or a lower alkyl group and the rings a and/or b are unsubstituted or substituted by at least one of the members consisting of halogen atoms, nitro, trifluoromethyl, lower alkoxy or lower alkoxy groups, which may be the same or different, which comprises subjecting a compound of the general formula: ** (see formula) ** Wherein r and rings a and b have the same meanings as indicated above, to a ring closure reaction. (Machine-translation by Google Translate, not legally binding)
ES403482A1971-06-051972-06-03A method for the production of heterociclic compounds. (Machine-translation by Google Translate, not legally binding)
ExpiredES403482A1
(en)
Procedure for obtaining new 1,2,3-triazolic fluorescent derivatives of 3-phenyl-cumarine (Machine-translation by Google Translate, not legally binding)