HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → 2-Diphenylphosphorylamino-4-trichloromethylpyridine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Diphenylphosphinic chloride | HCID 73910 | — |
| Reactant | 4-(Trichloromethyl)pyridin-2-amine | HCID 13710117 | — |
| Product | 2-Diphenylphosphorylamino-4-trichloromethylpyridine | HCID 19760392 | 56.7% |
Reaction Steps
6.2 ml (0.03 mol) of diphenylphosphoryl chloride were added to 6.3 g (0.03 mol) of 2-amino -4trichloromethylpyridine and 60 ml of pryidine at 0° C. After 12 hours at 25° C., the reaction mixture was added to 200 ml of 5% strength hydrochloric acid. The colorless precipitate formed was isolated. 7.0 g (53%) of the desired product were obtained. Mp.: 134°-136° C.; Active Ingredient Example 1.016
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05216171 |
| Source dataset | uspto-grants-1993_06 |
| ORD ID | ord-f4d77332f8ca4055bb4724aa2dbf5172 |
| Source note | uspto-grants-1993_06 |