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Bayer AG
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Bayer AG
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Application filed by Bayer AGfiledCriticalBayer AG
Priority to ES0426232ApriorityCriticalpatent/ES426232A1/en
Publication of ES426232A1publicationCriticalpatent/ES426232A1/en
Agricultural Chemicals And Associated Chemicals
(AREA)
Abstract
Process to prepare triazolyl-ON-acetals with a fungicidal effect, of formula ** formula ** in which R1 is alkyl, alkenyl, alkynyl, cycloalkyl and cycloalkenyl, as well as aryl and aralkyl, the two last-mentioned radicals possibly being substituted in the aryl part, R2 and R3 and R4 are hydrogen and the radicals mentioned under R1, but with the restriction that R3 and R4 cannot be simultaneously hydrogen and Az is the 1,2,4-traizolyl- (1) 1 radical, 2,4-triazolyl (4) or 1, 2, 3- triazolyl- (1), these radicals possibly being substituted and their salts, characterized in that triazole derivatives of formula ** formula ** where R1, r2, R4 and Az have the meanings indicated above, are reduced with complex hydrides, optionally in the presence of a polar solvent (Machine-translation by Google Translate, not legally binding)
ES0426232A1974-05-111974-05-11Procedure for preparing triazolil-0, N-acetals (Machine-translation by Google Translate, not legally binding)
ExpiredES426232A1
(en)
A procedure for the preparation of heterociclic compounds of the type of pinanopirazoles. (Machine-translation by Google Translate, not legally binding)