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Application filed by Merckle GmbhfiledCriticalMerckle Gmbh
Priority to CO01034896ApriorityCriticalpatent/CO5280193A1/en
Publication of CO5280193A1publicationCriticalpatent/CO5280193A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Proceso para preparar el compuesto de la fórmula I<EMI FILE="01034896_1" ID="1" IMF=JPEG >donde el compuesto de la fórmula III<EMI FILE="01034896_2" ID="2" IMF=JPEG >se hace reaccionar con cloruro de oxalilo y el producto obtenido se trata con hidrazina y un hidróxido de metal alcalino en la fase acuosa a temperatura elevada; luego de completar el tratamiento se produce un sistema trifásico por la adición de un éter y se obtiene el compuesto de la fórmula I acidificando la fase intermedia.Process for preparing the compound of the formula I <EMI FILE = "01034896_1" ID = "1" MFI = JPEG> where the compound of the formula III <EMI FILE = "01034896_2" ID = "2" MFI = JPEG> is done react with oxalyl chloride and the product obtained is treated with hydrazine and an alkali metal hydroxide in the aqueous phase at elevated temperature; After completing the treatment, a three-phase system is produced by the addition of an ether and the compound of the formula I is obtained by acidifying the intermediate phase.
CO01034896A2001-05-032001-05-03
PROCESS FOR PREPARING ACID 6- (4-CHLOROPHENYL) -2,2-DIMETHYL-7- PHENYL-2,3-DIHYDRO-1H-PIRROLIZIN-5-IL ACETIC
CO5280193A1
(en)
A NEW CRYSTALLINE FORM OF N- [4- [2- (2-AMINO-4,7-DIHYDRO-4-OXO-3H-PYRROLO [2,3-d] PYRIMIDIN-5-IL) ETHYL] BENZOYL ACID] - L-GLUTAMIC AND PROCEDURE FOR ITS PREPARATION