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.)
Ishihara Sangyo Kaisha Ltd
Original Assignee
Ishihara Sangyo 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 Ishihara Sangyo Kaisha LtdfiledCriticalIshihara Sangyo Kaisha Ltd
Priority to ES508207ApriorityCriticalpatent/ES508207A0/es
Publication of ES8305331A3publicationCriticalpatent/ES8305331A3/es
Publication of ES508207A0publicationCriticalpatent/ES508207A0/es
PROCEDIMIENTO PARA LA OBTENCION DE N-BENZOIL-N -PIRIDILOXIFENILUREAS DE FORMULA (I), EN LA QUE X ES HALOGENO; X Y X SON HIDROGENO O HALOGENO; X Y X R SON HIDROGENO O CLORO; Y X ES HALOGENO, NITRO O TRIFLUOROMETILO. CONSISTE EN LA REACCION DE UN ISOCIANATO DE FORMULA W-NCO CON UNA AMINA DE FORMULA W -NCH , EN LAS QUE W Y W TIENEN LAS FORMULAS (II) Y (III), RESPECTIVAMENTE; Y LOS DEMAS SIMBOLOS TIENEN EL MISMO SIGNIFICADO QUE EN LA FORMULA (I). LA REACCION SE LLEVA A CABO EN UN DISOLVENTE INERTE, A UNA TEMPERATURA ENTRE 20 Y 120 C. ESTOS COMPUESTOS TIENEN APLICACIONES EN AGRICULTURA COMO INSECTICIDAS.
ES508207A1981-12-211981-12-21Un procedimiento para la preparacion de nuevas n-benzoil-n'-piridiloxifenilureas.
GrantedES508207A0
(es)