HuagongsheHuagongshe Chemistry Print Report · For research reference only
Phosphorus oxychloride → 7-Butyl-2-cyclopentyl-5-ethylimidazo[5,1-f][1,2,4]triazin-4(3H)-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Phosphorus oxychloride | HCID 24813 | — |
| Reactant | N-[1-(3-Cyclopentyl-5-oxo-4,5-dihydro-1,2,4-triazin-6-yl)propyl]pentanamide | HCID 135752627 | — |
| Product | 7-Butyl-2-cyclopentyl-5-ethylimidazo[5,1-f][1,2,4]triazin-4(3H)-one | HCID 135752569 | — |
Reaction Steps
In analogy to the procedure for Example 1, 200 mg (0.65 mmol) crude N-[1-(3-cyclopentyl-5-oxo-4,5-dihydro-1,2,4-triazin-6-yl)propyl]pentanamide, 165 mg (1.1 mmol) phosphoric trichloride are stirred at reflux for 4 hours, proportionate amounts of the solvents are used. The product is purified by chromatography (preparative HPLC).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07087605B2 |
| Source dataset | uspto-grants-2006_08 |
| ORD ID | ord-8382ac1c71f34947b8e5d63f5d6890bb |
| Source note | uspto-grants-2006_08 |