Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hokko Chemical Industry Co Ltd
Meiji Seika Kaisha Ltd
Original Assignee
Hokko Chemical Industry Co Ltd
Meiji Seika Kaisha Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hokko Chemical Industry Co Ltd, Meiji Seika Kaisha LtdfiledCriticalHokko Chemical Industry Co Ltd
Priority to ES483882ApriorityCriticalpatent/ES8202824A1/es
Publication of ES483882A0publicationCriticalpatent/ES483882A0/es
Publication of ES8202824A1publicationCriticalpatent/ES8202824A1/es
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms
(AREA)
Abstract
PROCEDIMIENTO PARA LA OBTENCION DE DERIVADOS DE PIRAZOLILPIRIMIDINA DE FORMULA (I), EN LA QUE R1 ES HIDROGENO O UN RADICAL ALQUILICO; R2 ES UN ATOMO DE HIDROGENO O UN RADICAL ALQUILICO C1-4; X ES OXIGENO O AZUFRE; Y R3 ES UN RADICAL ALQUILICO INFERIOR, FENILO O FENILO SUSTITUIDO. CONSISTE EN LA REACCION DE UN COMPUESTO DE FORMULA (II) CON UN COMPUESTO DE FORMULA (III), EN LAS QUE R1, R2, R3 Y X TIENEN EL MISMO SIGNIFICADO QUE EN LA FORMULA (I) Y HAL ES UN HALOGENO. LA REACCION SE LLEVA A CABO EN PRESENCIA O AUSENCIA DE UN DISOLVENTE Y DE UN FIJADOR DE ACIDO, A LA TEMPERATURA AMBIENTE O CON CALENTAMIENTO.
ES483882A1979-09-041979-09-04Procedimiento para la preparacion de nuevos derivados de pi-razolilpirimidina
ExpiredES8202824A1
(es)