HuagongsheHuagongshe Chemistry Print Report · For research reference only
Phosphorus oxychloride → 2-(6-Chloro-3-pyridazinyl)phenol
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Phosphorus oxychloride | HCID 24813 | — |
| Reactant | 6-(2-Hydroxyphenyl)-3(2H)-pyridazinone | HCID 3017346 | — |
| Product | 2-(6-Chloro-3-pyridazinyl)phenol | HCID 3018733 | — |
Reaction Steps
According to the process of this invention, a 6-(2-hydroxyphenyl)-3(2H)-pyridazinone is reacted with phosphorus oxychloride and a disubstituted formamide to give a 3-chloro-6-(2-hydroxyphenyl)pyridazine. ##STR1## The term R is hydrogen or lower alkyl.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04340733 |
| Source dataset | uspto-grants-1982_07 |
| ORD ID | ord-ec3316e960f4429a9157d0d6b48c8fe0 |
| Source note | uspto-grants-1982_07 |