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STWB Inc
Original Assignee
Sterling Drug Inc
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Publication date
Application filed by Sterling Drug IncfiledCriticalSterling Drug Inc
Priority to ES502221ApriorityCriticalpatent/ES8207163A1/es
Publication of ES502221A0publicationCriticalpatent/ES502221A0/es
Publication of ES8207163A1publicationCriticalpatent/ES8207163A1/es
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms
(AREA)
Abstract
PROCEDIMIENTO DE OBTENCION DE DERIVADOS DE ISOXAZOL. SE HACE RECCIONAR UN COMPUESTO DE FORMULA GENERAL (I) CON HIDROXILAMINA O CON UNA SAL ACIDA DE ADICION DE ESTA. SE OBTIENE EL COMPUESTO DE FORMULA GENERAL (II) EN QUE AR ES FENILO SUSTITUIDO POR UNO O DOS SUSTITUYENTES EN HALOGENO, ALQUILO INFERIOR, ALCOXI INFERIOR, NITRO O HIDROXI; Y ES (CH2)N O O(CH2)N, SIENDO N UN ENTERO COMPRENDIDO ENTRE 1 Y 8; R ES UN ALQUILO INFERIOR. LA REACCION TIENE LUGAR EN DISOLVENTE INERTE A UNA TEMPERATURA DE 50 A 150 GRADOS CENTIGRADOS. COMO DISOLVENTES SE PUEDEN EMPLEAR ALCANOLES INFERIORES.
ES502221A1981-05-141981-05-14Un procedimiento para preparar nuevos derivados de isoxazol
ExpiredES8207163A1
(es)