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 Institutul De ChimiefiledCriticalInstitutul De Chimie
Priority to RO115989ApriorityCriticalpatent/RO90836B1/en
Publication of RO90836A2publicationCriticalpatent/RO90836A2/en
Publication of RO90836B1publicationCriticalpatent/RO90836B1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Inventia se refera la un procedeu de preparare a di- si trimetoxibenzaldehidelor, si anume a aldehidei veratrice li trimetoxibenzaldehidei, compusi importanti în prepararea medicamentelor de sinteza, ca, trimetoprim, biseptol, cinepazet, trithiozine, trimetoguinol, tetroxoprim, trimasizin si dimetroprim din vanilina si aldehida siringica, izolate din lesii reziduale sulfitice si negru sulfat din industria celulozei.The invention relates to a process for the preparation of di- and trimethoxybenzaldehydes, namely veratric aldehyde and trimethoxybenzaldehyde, important compounds in the preparation of synthetic drugs such as trimethoprim, biseptol, cinepazet, trithiozines, trimetoguinol, tetroxoprim, trimasin and dimetroprim from vanillin and the siringic aldehyde, isolated from sulphite residual lees and black sulphate from the pulp industry.
RO115989A1984-10-151984-10-15Process for preparing di- and trimethoxybenzaldehydes
RO90836B1
(en)