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Toyama Chemical Co Ltd
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Toyama Chemical Co Ltd
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Application filed by Toyama Chemical Co LtdfiledCriticalToyama Chemical Co Ltd
Priority to ES458844ApriorityCriticalpatent/ES458844A1/en
Publication of ES458844A1publicationCriticalpatent/ES458844A1/en
A procedure for the preparation of new cephalosporins of general formula (I), *** where R1 represents a hydrogen atom, a salt-forming cation or a blocking group and R2 represents a group 2- (5-methyl-1, 3,4-thiadiazolyl) thio or 5- (1-methyl-1,2,3,4-tetrazolyl) thio, the method of which is to react a compound represented by the general formula (II). (Machine-translation by Google Translate, not legally binding)
ES458844A1977-05-161977-05-16A procedure for the preparation of new cephalosporins. (Machine-translation by Google Translate, not legally binding)
ExpiredES458844A1
(en)
A procedure for preparing the isomero without the compounds of 3-cefem-4-carboxylic acid replaced in positions 3 and 7. (Machine-translation by Google Translate, not legally binding)
2-nitro aminopyrimidone derivatives, a process for their preparation and their use to prepare 2-aminopyrimidone derivatives which have histamine H2-antagonist activity.
Antithrombotic 2-(gamma-(1-piperidinyl)propyl)1,2-benzisothiazol 3-one, its pharmaceutically acceptable acid addition salts, their preparation and their compositions.
Procedure for the preparation of 5 (substituted fenil) -oxazolidinones and their sulfurated analogues (Machine-translation by Google Translate, not legally binding)