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Fabrica Espanola de Productos Quimicos y Farmaceuticos FAES SA
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Fabrica Espanola de Productos Quimicos y Farmaceuticos FAES SA
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Application filed by Fabrica Espanola de Productos Quimicos y Farmaceuticos FAES SAfiledCriticalFabrica Espanola de Productos Quimicos y Farmaceuticos FAES SA
Priority to ES554638ApriorityCriticalpatent/ES8703135A1/en
Priority to PT82738Aprioritypatent/PT82738B/en
Publication of ES8703135A1publicationCriticalpatent/ES8703135A1/en
Publication of ES554638A0publicationCriticalpatent/ES554638A0/en
This invention relates to a process for the preparation of ambroxol derivatives, these being obtained by reaction in a medium such as pyridine or an inert solvent for ambroxol or ambroxol hydrochloride with 2-tenoyl chloride and cinnamoyl chloride in a ratio of 1 to 3 moles respectively, yielding the corresponding trisubstituted ambroxol derivatives.