FIELD: organic chemistry. SUBSTANCE: product: salts of nitrogen-containing heterocyclic derivatives and 5-hydroxynicotinic acid of the formula where X - O, NH or CH2.. Reagent 1: 5-hydroxynicotinic acid. Reagent 2: morpholine. Reaction conditions: at stirring, at increased temperature. Synthesized compounds were used in medicine for heart ischemic disease and arrhythmias. EFFECT: improved method of synthesis. 4 tbl
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Authors
Dates
1996-10-10—Published
1993-12-24—Filed