HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ethylene Glycol → 2-(4-bromophenyl)-2-phenyl-1,3-dioxolane
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ethylene Glycol | HCID 174 | — |
| Reactant | Water | HCID 962 | — |
| Reactant | p-Toluenesulfonic acid | HCID 6101 | — |
| Reactant | 4-Bromobenzophenone | HCID 7030 | — |
| Solvent | Toluene | HCID 1140 | — |
| Product | 2-(4-bromophenyl)-2-phenyl-1,3-dioxolane | HCID 3847523 | — |
Reaction Steps
In 1300 milliliters of toluene in a flask equipped with a Dean-Stark tube are dissolved 100 grams of p-bromobenzophenone; and to this solution is added 150 grams of ethyleneglycol and 4.4 grams of p-toluenesulphonic acid. This mixture is refluxed until no further water collects in the Dean-Stark tube. After distilling off the toluene and recrystallization from methanol one obtains 2-phenyl-2-(p-bromophenyl)-1,3-dioxolane.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04051261 |
| Source dataset | uspto-grants-1977_09 |
| ORD ID | ord-6b948675d9ec46a8afc8827ceeda5e9c |
| Source note | uspto-grants-1977_09 |