sodium hydroxide Condensation; 4 h; Heating;

dipotassium hydrogenphosphate; potassium dihydrogenphosphate in diethylene glycol dimethyl ether; water; dimethyl sulfoxide T=39°C; 24 h; uridine phosphorylase, purine nucleoside phosphorylase;

dipotassium hydrogenphosphate; potassium dihydrogenphosphate; potassium acetate in ethylene glycol dimethyl ether; water; dimethyl sulfoxide thymidine phosphorylase, purine nucleoside phosphorylase; 1) 24 deg C, 1 h, 2) 35 deg C, 17 h;