the invention relates to 4 - [(e) - (4 - bis (n - methyl) aminophenyl) azo] - n - (4,6 - dimetylopirymidyn - 2 - yl) benzenosulfonoamidu of model 1, which is applicable to nonlinear optics, optoelektronice as material modifying properties under the influence of light and to obtain hybrid materials and polymeric systems type "guest host" properties fotochromowych,changing under the influence of light. they may be used in the optical information processing and.the invention also discloses method of 4 - [(e) - (4 - bis (n - methyl) aminophenyl) azo] - n - (4,6 - dimetylopirymidyn - 2 - yl) benzenosulfonoamidu of model 1 that a 4 - amino - n - (4,6 - dimetylopirymidyn - 2 - yl) benzenesulfonamide subjected the reaction diazowania nitrate (iii) sodium mixture st u0119u017conego hydrochloric acidwater and glacial acetic acid from 6 to 10% by volume of concentrated hydrochloric acid and from 50 to 60% glacial acetic acid, and then the salt diazoniowu0105 4 - amino - n - (4,6 - dimetylopirymidyn - 2 - yl) benzenesulfonamide hydrochloride in the form of chloride are coupled together with aniline which is bis (n - methyl) and nilinu0105 at mole ratio in the range of 1: 1 to 1: 1.3, then the product obtained neutralises,drought and clears.
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