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Process for obtaining a heterocyclic derivative, characterized in that the 2-pyrrolidone acetic acid is reacted with a compound of general formula x-co-or, wherein x is a halogen and r represents a linear or branched alkyl group of 1 to 8 carbon atoms, or an optionally substituted aryl group, in an inert solvent medium, in the presence of a tertiary amine, by subsequently reacting "in situ" the intermediate mixed anhydride formed with the ammonia and isolating the desired product. (Machine-translation by Google Translate, not legally binding)
ES436145A1975-03-311975-03-31Procedure for the obtaining of a heterociclic derivative. (Machine-translation by Google Translate, not legally binding)
ExpiredES436145A1
(en)
Procedure for the obtaining of N- (2-diethylaminoethyl) 2-metoxy-4-amino-5-bromine benzamide. (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of 2-acetoxibenzoatos of n (2-hydroxythyl) amidas of fatty acids. (Machine-translation by Google Translate, not legally binding)
Chemical compounds process for preparing said compounds and process for preparing 6-(p-hydroxyphenyl-glycylamido)-penam or 7-(p-hydroxyphenyl-glycylamido)-cephem compounds
Procedure for the preparation of heterociclic compounds derived from benzimidazocarbamic acids. (Machine-translation by Google Translate, not legally binding)