HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 477782Generated: October 30, 2026
HCID 677942, compound → HCID 677495, compound
https://huagongshe.com/reaction/477782
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | HCID 677942 | HCID 677942 | — |
| Reactant | Pyridinium chloride | HCID 10176127 | — |
| Solvent | Water | HCID 962 | — |
| Product | HCID 677495 | HCID 677495 | 79.7% |
Reaction Steps
A mixture of 20 g of 2-methoxy-6,11-dihydrodibenz[b,e]oxepin-11-one and 150 g of pyridine hydrochloride is stirred with heating at 180° C for 2 hours. The solution is poured into 2 liter of water with stirring to give 15 g of 2-hydroxy-6,11-dihydrodibenz[b,e]oxepin-11-one. Mass spectrum m/z: 226(M+), melting point: 165°-166° C. (recrystallized from ethanol).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| Patent number | US04889858 |
|---|
| Source dataset | uspto-grants-1989_12 |
|---|
| ORD ID | ord-2b2c9985ff50414d9021007233e6ec85 |
|---|
| Source note | uspto-grants-1989_12 |
|---|
