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Application filed by Institutul De Cercetari Chimico-FarmaceuticefiledCriticalInstitutul De Cercetari Chimico-Farmaceutice
Priority to RO118744ApriorityCriticalpatent/RO91931B1/en
Publication of RO91931A2publicationCriticalpatent/RO91931A2/en
Publication of RO91931B1publicationCriticalpatent/RO91931B1/en
Acyclic And Carbocyclic Compounds In Medicinal Compositions
(AREA)
Abstract
Inventia se refera la un procedeu de obtinere a N,N-diizopropil-N-metil-2(xanten-9-carboxi)-etil-bromurii de amoniu pure, produs farmaceutic cu actiune spasmolitica, anticolinergica si parasimpatolitica sub denumirea de Propantelina, prin esterificarea acidului xanten-9-carcoxilic cu bromura de N,N-diizopropil-N-metil-2-hidroxi-etil-amoniu.The invention relates to a process for the preparation of pure ammonia N, N-diisopropyl-N-methyl-2 (xanthene-9-carboxy) -ethylbromide, a pharmaceutical product having spasmolytic, anticholinergic and parasimpolytic activity under the name Propantelina, esterification of xanthene-9-carboxilic acid with N, N-diisopropyl-N-methyl-2-hydroxy-ethyl-ammonium bromide.
RO118744A1985-05-151985-05-15Process for preparing pure ammonium n, n-diisopropyl-n-methyl-2-(xanten-9-carbonyloxy)-ethyl-bromide
RO91931B1
(en)
PROCESS FOR THE PREPARATION OF A PHARMACEUTICAL COMPOUND CONTAINING ACTIVE INGREDIENT THE ACID 9-ETHYL-6,9-DIHYDRO-4,6-DIOXO-10-PROPYL-4H-PYRANO (3,2-G) DICARBOXYLIC