摘要：

the invention relates to derivatives of azauridin 5 '- phosphate - 5 - substituted for the substances with general formula i: i (see form. in 30.), in which r is a hydrogen atom or a chlorine or bromine or iodine group is - (ch2) n - r in which r 'is methyl or n is zero.5, or r 'is phenol and n is a substance which forms or 1 presents under amorfa crystalline or powder.the process of preparation of derivatilor 6 - azauridin 5 '- phosphate - 5 - substituted for consist in treatment of compounds with general formula ii: (see form. in 30.), in which r has the above significances 1 - bromo - 2,3 di 0 benzoyl diphenylphosphoryl - d - ribofuranoza in an inert solvent chosen from ethylene dichloride and dichloromethane and in the presence of chloride stanica anhidra at temperatures of 18, 40 degree c.

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