ES356529A1 - Procedure for the preparation of new heterociclic carboxylic acids. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of new heterociclic carboxylic acids. (Machine-translation by Google Translate, not legally binding)
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Novartis AG
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JR Geigy AG
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Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Plural Heterocyclic Compounds
(AREA)
Abstract
Procedure for the preparation of new heterocyclic carboxylic acids of the general formula I, **(See formula)** in which R means a lower alkyl group, X means oxygen, sulfur, the imino group or the methylimino group, Y means hydrogen, halogen up to atomic number 35 or the methyl group and Z1 as well as Z2 signify oxygen, halogen up to atomic number 35, an alkyl or lower alkoxy group and its salts with inorganic or organic bases, characterized in that a compound of the general formula II is split, **(See formula)** in which R, X, Y, Z1 and Z2 have the significance indicated under the general formula I and Q stands for a halogen atom, and if desired, the reaction product obtained is transformed into a salt with an inorganic or organic base. (Machine-translation by Google Translate, not legally binding)
ES356529A1968-07-261968-07-26Procedure for the preparation of new heterociclic carboxylic acids. (Machine-translation by Google Translate, not legally binding)
ExpiredES356529A1
(en)