HuagongsheHuagongshe Chemistry Print Report · For research reference only
Pyrazole → HCID 19742629, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Pyrazole | HCID 1048 | — |
| Reactant | Diisopropylethylamine | HCID 81531 | — |
| Reactant | 2-Chloro-1-methylpyridinium iodide | HCID 167069 | — |
| Solvent | Acetonitrile | HCID 6342 | — |
| Product | HCID 19742629 | HCID 19742629 | — |
Reaction Steps
2-Chloro-1-methylpyridinium iodide (5.0 g), pyrazole (1.3 g) and diisopropylethylamine (2.5 g) were added to acetonitrile (50 ml) and the mixture refluxed for 3.5 hours. The acetonitrile was removed and the residue dissolved in hot ethanol. The solution was left in the refrigerator overnight. The product was collected by filtration Yield, 1.73 g; mp 129°-130° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05236822 |
| Source dataset | uspto-grants-1993_08 |
| ORD ID | ord-d2fed9b04a9948d18aa70d021b621d51 |
| Source note | uspto-grants-1993_08 |