HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ethylene Glycol → HCID 69287399, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ethylene Glycol | HCID 174 | — |
| Reactant | Water | HCID 962 | — |
| Reactant | Toluene | HCID 1140 | — |
| Reactant | 4-Vinylbenzaldehyde | HCID 39389 | — |
| Catalyst | p-Toluenesulfonic acid monohydrate | HCID 521998 | — |
| Product | HCID 69287399 | HCID 69287399 | 58% |
Reaction Steps
In 170 mL of toluene were dissolved 17.38 g of 4-vinylbenzaldehyde and 10.89 g of ethylene glycol. To the solution were added 0.25 g of p-toluenesulfonic acid monohydrate and 0.22 g of p-hydroquinene, and the mixture was heated at reflux. Water generated during the reaction was removed by a Dean-Stark trap. After 8 hours, it was allowed to be cooled and evaporated under a reduced pressure. The residue was distilled under vacuum (92 to 93° C./0.45 mmHg), to give 13.44 g of 4-(2,5-dioxocyclopentyl)styrene (yield: 58%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07439005B2 |
| Source dataset | uspto-grants-2008_10 |
| ORD ID | ord-86faf18d56974b5c88066a8636710bb9 |
| Source note | uspto-grants-2008_10 |