FIELD: medicine. SUBSTANCE: aryl sulfo acids are used as reagent 1, amino compound is used as reagent 2. Desired product is (R1)(R2)(R3)(R4)(R5)C6-SO3H·R6, where R1-H, CH3, Cl, NO; R2-H, OH, COOH; R3-H, CH3, Cl, OH, NH2, NHCOOH3; R4-H, COOH, NO2, R5-H or R4R5-(CH)4 R6 aliphatic, aromatic, cyclic and heterocyclic amines, amino acids, guanidine, urea, thiourea. EFFECT: improves quality of desired product. 6 tbl
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Authors
Dates
1995-12-20—Published
1991-11-27—Filed