FIELD: organic chemistry. SUBSTANCE: product: new diamine compounds of the general formula (I) 
where R1-R6 are similar or different and mean lower alkyl, hydroxy, lower acylhydroxy-, lower alkoxy-radical, possibly, substituted with halogen atoms, or their acid-additive salts; Y,Y′ are similar or different and means lower alkylene or lower alkenylene; A, A′ are similar or different and mean simple bond, -NH, -NHCO, -CONH, SO2NH; R7 and R8 together form C1-C4-alkylene group. Synthesized compounds were used in medicine. EFFECT: improved method of synthesis. 3 tbl
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