ES266946A1 - Procedure for obtaining new derivatives of 2,6-dialkilbenzoic acid (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for obtaining new derivatives of 2,6-dialkilbenzoic acid (Machine-translation by Google Translate, not legally binding)
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Sandoz AG
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Sandoz AG
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Publication of ES266946A1publicationCriticalpatent/ES266946A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
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Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Process for obtaining new derivatives of 2,6-dialkylbenzoic acid, characterized in that these are adjusted to the general formula I ** (See formula) ** -in which R1, R2, and R3 each represent an alkyl group, with the proviso that R1, R2, and R3 need not be different; one of R4 and R5 represents a hydrogen atom, the other, together with R6 represents the ethylene, propylene or butylene- group and their acid addition salts, and by which is reacted with a compound of the general formula II ** (See formula) ** - wherein X represents a halogen atom, and R1 and R2 have the above meaning with a compound of the general formula III ** (See formula) ** - wherein R3, R4, R5 and R6 have the above meaning - or with an acid halogen salt thereof, and when an acid halide of compound III has been used and a free base is required as the final product, the free base is it liberates by reaction with an alkali metal carbonate or hydroxide or ammonia, and when it is desired to obtain an acidic addition salt of the free base, the salification is carried out with an organic or inorganic acid. (Machine-translation by Google Translate, not legally binding)
ES0266946A1960-04-291961-04-27Procedure for obtaining new derivatives of 2,6-dialkilbenzoic acid (Machine-translation by Google Translate, not legally binding)
ExpiredES266946A1
(en)
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