HuagongsheHuagongshe Chemistry Print Report · For research reference only
5-(o-Fluorophenyl)-3-hydrazino-1,2,4-triazine → 7-(o-Fluorophenyl)-3-methyl-1,2,4-triazolo[4,3-b]-1,2,4-triazine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 5-(o-Fluorophenyl)-3-hydrazino-1,2,4-triazine | HCID 12581273 | — |
| Reactant | Ethyl ortho-acetate | HCID 86598186 | — |
| Product | 7-(o-Fluorophenyl)-3-methyl-1,2,4-triazolo[4,3-b]-1,2,4-triazine | HCID 12581275 | — |
Reaction Steps
A mixture of 6.15 g. of 5-(o-fluorophenyl)-3-hydrazino-1,2,4-triazine and 50 ml. of ethyl orthoacetate is refluxed for 2.5 hours, cooled and the solid is collected by filtration and washed with hexane and ethanol, giving the desired product as yellow crystals, m.p. 227°-229° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04159375 |
| Source dataset | uspto-grants-1979_06 |
| ORD ID | ord-8993d7c1ae9a4ce490a33fcb8a92ee1c |
| Source note | uspto-grants-1979_06 |