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SIMES Societa Italiana Medicinali e Sintetici SpA
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SIMES Societa Italiana Medicinali e Sintetici SpA
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Application filed by SIMES Societa Italiana Medicinali e Sintetici SpAfiledCriticalSIMES Societa Italiana Medicinali e Sintetici SpA
Priority to ES0308437ApriorityCriticalpatent/ES308437A1/en
Publication of ES308437A1publicationCriticalpatent/ES308437A1/en
Low-Molecular Organic Synthesis Reactions Using Catalysts
(AREA)
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms
(AREA)
Abstract
Method for the preparation of dihydrobenzothiadiazine of the general formula ** (See formula) ** wherein R denotes a halogen atom or a substituted halogen radical, while R1 represents a branched alkyl radical, a cycloalkyl radical or an arylalkyl radical, which is characterized by reacting an aldehyde of the formula R1 - CHO wherein R1 has the meaning set forth above, with an amino-benzene disulfonamide of the formula ** (See formula) ** wherein R has the meaning set forth above, in the presence or absence of solvents and in the presence or absence of acidic or alkaline catalysts, at temperatures ranging from room temperature to 200º C. (Machine-translation by Google Translate, not legally binding)
ES0308437A1965-01-221965-01-22Method for the preparation of dihydrobenzotradiazine. (Machine-translation by Google Translate, not legally binding)
ExpiredES308437A1
(en)
Procedure for the preparation of compounds of 2- (2º-hydroxy-3º-propenyl-phenyl) -benzotriazol (Machine-translation by Google Translate, not legally binding)
A procedure for the preparation of 2- (6-metoxy2-nafthy) propionic acid and 2- (6-metoxy-2-nafthyl) -1- propanol. (Machine-translation by Google Translate, not legally binding)
A procedure for the preparation of 1,2-diaril-3,5-dioxo-pirazolidines, replaced in position 4 (Machine-translation by Google Translate, not legally binding)