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Stauffer Chemical Co
Original Assignee
Stauffer Chemical Co
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Publication date
Application filed by Stauffer Chemical CofiledCriticalStauffer Chemical Co
Priority to ES0450533ApriorityCriticalpatent/ES450533A1/es
Publication of ES450533A1publicationCriticalpatent/ES450533A1/es
Agricultural Chemicals And Associated Chemicals
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Procedimiento para la obtención de una composición herbicida selectiva a base de tiocarbamatos caracterizado porque comprende: en una primera etapa, se hace reaccionar cloruro de 2,3-dibromopropionitrilo con una amina de fórmula general: **(Fórmula)** en la que R1 es hidrógeno, alquenilo o alquilo inferior y R2 es alquilo, alquenilo, alquinilo, dimetoxietilo o 1-etinil-ciclohexilo, en presencia de un disolvente adecuado, a una temperatura de -20 a 0ºC aproximadamente y, tras completarse la adición de los reactivos, la mezcla de reacción se calienta a una temperatura comprendida entre el ambiente y 50-60ºC aproximadamente, en caso dado con exceso de amina.
ES0450533A1976-08-061976-08-06Procedimiento para la obtencion de una composicion herbicida selectiva a base de tiocarbamatos
ExpiredES450533A1
(es)