HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ethanol → HCID 178514174, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ethanol | HCID 702 | — |
| Reactant | Thiosemicarbazide | HCID 2723789 | — |
| Reactant | 5-(5-nitrofuran-2-yl)-1H-pyrazole-4-carbaldehyde | HCID 178519881 | — |
| Catalyst | Acetic Acid | HCID 176 | — |
| Solvent | Water | HCID 962 | — |
| Product | HCID 178514174 | HCID 178514174 | 95% |
Reaction Steps
Stir 4.14 g of 3-(5-nitro-2-furyl)-1H-pyrazole-4-carboxaldehyde together with 2.0 g. of thiosemicarbazide, 2 drops of glacial acetic acid and 40 ml of ethanol for 2 hours at 50° C and then for 4 days at room temperature. Dilute the resulting product with water to produce a 95% yield of 3-(5-nitro-2-furyl)-1H-pyrazole-4-carboxaldehyde-thiosemicarbazone [m.p. above 350° C (with decomposition)].
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04093812 |
| Source dataset | uspto-grants-1978_06 |
| ORD ID | ord-6ca90e380c65460691795c9397e63fcd |
| Source note | uspto-grants-1978_06 |