The Reaction of Heteroaromatic N-Oxide with Acid Chloride and Cyanide. IV. : On the Reaction of 2, 4-Disubstituted Quinoline 1-Oxides with Sulfonic Acid Chloride and Potassium Cyanide
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N-sulfonic acid pyridinium-4-carboxylic acid chloride as a novel and efficient catalyst for the condensation reaction of aldehyde with thiobarbituric acid and ammonium acetate
N-sulfonic acid pyridinium -4-carboxylic acid chloride {[Pyridine-N-SO3H-4-COOH]Cl} was synthesized, identified and applied as an effective catalyst for the preparation of pyrido[2,3-d:6,5-d]dipyrimidines by the condensation reaction of various aldehyde with 2-thiobarbituric acid and ammonium acetate under solvent-free conditions.The structure ofcatalyst was studied...
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ژورنال
عنوان ژورنال: YAKUGAKU ZASSHI
سال: 1977
ISSN: 0031-6903,1347-5231
DOI: 10.1248/yakushi1947.97.6_641