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Amidine carboxylic acid salts prodn. - by reacting tri:methyl ortho-carboxylate in presence of higher alcohol with ammonia or prim. amine and carboxylic acid or salt
Amidine carboxylic acid salts prodn. - by reacting tri:methyl ortho-carboxylate in presence of higher alcohol with ammonia or prim. amine and carboxylic acid or salt
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机译:idine羧酸盐产品-通过在高级醇存在下使原羧酸三:甲酯与氨或伯反应。胺和羧酸或盐
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摘要
Prodn. of amidine carboxylic acid salts R1-C(=NR2)-NHR2.R3-COOH (I) comprises reacting a trimethyl orthocarboxylate R1-C(OCH3)3 (II), after reaction with or in the presence of an alcohol contg. more than 2C (III), with ammonia or a prim. amine NHR12 (IV) and a carboxylic acid and/or carboxylic acid ammonium salt R3-COOH (V). R1, R3 = H or 1-6C alkyl; R2 = H, alkyl, cycloalkyl, aryl or aralkyl.
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机译:产品am羧酸盐R 1 -C(= NR 2)-NHR 2。R 3 -COOH(I)包括使原甲酸三甲酯R 1 -C(OCH 3)3(II)与一种或多种存在于醇中的醇反应后进行反应。高于2C(III),并带有氨水或底漆。胺NHR12(IV)和羧酸和/或羧酸铵盐R3-COOH(V)。 R1,R3 = H或1-6C烷基; R 2 = H,烷基,环烷基,芳基或芳烷基。
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