HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → 2,3,4,5-Tetrahydro-3-oxo-4-[(pyridin-3-yl)-methyleneamino]-6-methyl-1,2,4-triazinehydrochloride
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | 4,5-Dihydro-6-methyl-4-((3-pyridinylmethylene)amino)-1,2,4-triazin-3(2H)-one | HCID 86370 | — |
| Product | 2,3,4,5-Tetrahydro-3-oxo-4-[(pyridin-3-yl)-methyleneamino]-6-methyl-1,2,4-triazinehydrochloride | HCID 67924502 | — |
Reaction Steps
21.7 g of 2,3,4,5-tetrahydro-3-oxo-4-[(pyridin-3-yl)-methyleneamino]-6-methyl-1,2,4-triazine are dissolved, with heating, in 60 ml of 2N hydrochloric acid. The hot solution is filtered and cooled. The precipitate which crystallises out is isolated by filtration, washed with alcohol and ether and dried in vacuo to give the title compound of formula ##STR32## in the form of a colourless crystal powder; m.p. 240-241° C. with decomposition; yield: 19 g (75%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04931439 |
| Source dataset | uspto-grants-1990_06 |
| ORD ID | ord-10518bb3c4774c4e8e131818f65ec661 |
| Source note | uspto-grants-1990_06 |