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Faes Farma SA
Original Assignee
Fabrica Espanola de Productos Quimicos y Farmaceuticos FAES SA
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Filing date
Publication date
Application filed by Fabrica Espanola de Productos Quimicos y Farmaceuticos FAES SAfiledCriticalFabrica Espanola de Productos Quimicos y Farmaceuticos FAES SA
Priority to ES480515ApriorityCriticalpatent/ES480515A1/es
Publication of ES480515A1publicationCriticalpatent/ES480515A1/es
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur
(AREA)
Abstract
Procedimiento de preparación de ésteres de un derivado del 3,3''-ditio bispropanol, caracterizado porque en un disolvente orgánico se hace reaccionar un anhídrido de ácido con el derivado del 3,3''-ditio bispropanol, aislando el producto resultante por vertido de la mezcla de reacción en el seno de un disolvente polar, manteniendo la temperatura constante.
ES480515A1979-05-121979-05-12Procedimiento de preparacion de esteres de un derivado del 3,3'-ditio bispropanol.
ExpiredES480515A1
(es)
Mejoras en el objeto de la patente principal n.414366, por: procedimiento para la preparacion de mono y diesteres del acido 2,5-dihidroxibencenosulfonico.