Process for obtaining hydrochloric salts of 2, 5, 6-triamino-4 (1h)-pyrimidinone

摘要

PCT No. PCT/EP85/00001 Sec. 371 Date Nov. 14, 1985 Sec. 102(e) Date Nov. 14, 1985 PCT Filed Jan. 2, 1985 PCT Pub. No. WO85/03506 PCT Pub. Date Aug. 15, 1985.A process for preparing hydrochloric salts of 2,5,6-triamino-4(1H)-pyrimidinone (TAP) with a low content of organic foreign substances which comprises reacting the reduction product of 2,6-diamino-5-nitroso-4(1H)-pyrimidone (DNAP) with hydrogen chloride, wherein the reaction medium comprises water, hydrogen chloride and isopropyl alcohol.