| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention concerns improved method of obtaining 3,5-diamino-1,2,4-thiadizol applied in synthesis of medicines, macroheterocyclic compounds, bioactive substances etc. Invention claims method of obtaining 3,5-diamino-1,2,4-thiadizol by reaction of 2-imino-4-thiobiuret with equimolecular quantity of hydrogen peroxide of 26-35% concentration in boiling alcohol for 20-30 minutes. ^ EFFECT: increased output to by 86% of target product with melting temperature of 172-174°C and reduced general process duration from 60 to 2 hours. ^ 1 cl, 1 tbl, 1 ex |
