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Riker Laboratories Inc
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Riker Laboratories Inc
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Publication date
Application filed by Riker Laboratories IncfiledCriticalRiker Laboratories Inc
Priority to ES469127ApriorityCriticalpatent/ES469127A1/en
Publication of ES469127A1publicationCriticalpatent/ES469127A1/en
Procedure for preparing substituted tetrazole derivatives of formula: **(See formula)** Wherein R1 is alkyl or alkoxy of 1 to 2 carbon atoms, R2 is alkyl or alkoxy of 1 to 2 carbon atoms, hydrogen, nitro or halogen, R3 is hydrogen or alkyl of 1 to 4 carbon atoms and n is 0, 1 or 2, and their pharmaceutically acceptable salts; characterized in that it comprises activating an 8-carboxyquinoline of the formula: **(See formula)** and make it react with an aminotetrazole of formula: **(See formula)** in which formulas R1, R2, R3 and n are defined as above; and recovering the desired compound; whereupon, if desired, the resulting compound is reacted with a basic compound to form a pharmaceutically acceptable salt thereof and the salt is recovered. (Machine-translation by Google Translate, not legally binding)
ES469127A1978-04-251978-04-25Procedure for preparing tetrazol substituted derivatives. (Machine-translation by Google Translate, not legally binding)
ExpiredES469127A1
(en)
Procedure for the preparation of derivatives of 6-fenil-3 (2H) -piridacinona 2-substitute. (Machine-translation by Google Translate, not legally binding)