HuagongsheHuagongshe Chemistry Print Report · For research reference only
2,3-Dichloro-5,6-dicyano-1,4-benzoquinone → 2,3-Difluorobiphenyl
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone | HCID 6775 | — |
| Reactant | 4-Pentyl-(2,3-difluorophenyl)-cyclohexene | HCID 14495643 | — |
| Solvent | Toluene | HCID 1140 | — |
| Product | 2,3-Difluorobiphenyl | HCID 13022387 | — |
Reaction Steps
To a mixture of 0.1 mol 4-pentyl-1-(2,3-difluorphenyl)-cyclohex-1-en and 500 ml toluene is added 0.22 mol 2,3-dichlor-5,6-dicyano-p-benzoquinone (DDQ) and refluxed for 2 h. After usual work-up 2',3'-difluorbiphenyl, bp: 125° C. at 0.5 mm Hg is obtained.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05273680 |
| Source dataset | uspto-grants-1993_12 |
| ORD ID | ord-fb1dae48ed244936ae7d49afde158323 |
| Source note | uspto-grants-1993_12 |