HuagongsheHuagongshe Chemistry Print Report · For research reference only
1,3-Dimethyl-1H-pyrazol-5-amine → HCID 136404512, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1,3-Dimethyl-1H-pyrazol-5-amine | HCID 520721 | — |
| Reactant | Methyl 2-(2'-nitrobenzylidene)acetoacetate | HCID 787115 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | HCID 136404512 | HCID 136404512 | — |
Reaction Steps
Methyl-2-(2-nitrobenzyliden)acetoacetate (10 g; 0.040 mol) is added to 1,3-dimethyl-5-pyrazolamine (4.89 g; 0.044 mol) in ethanol (40 ml) The mixture is refluxed for about 5 hours, then the solvent is evaporated under reduced pressure and the residue is taken up in ethyl ether and recovered by filtration. M.p. 216°-220° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04954508 |
| Source dataset | uspto-grants-1990_09 |
| ORD ID | ord-ab28f9f8203f4d75819fff3d6c394ac0 |
| Source note | uspto-grants-1990_09 |