HuagongsheHuagongshe Chemistry Print Report · For research reference only
Dichloromethane → HCID 59570036, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Dichloromethane | HCID 6344 | — |
| Reactant | Triethylamine | HCID 8471 | — |
| Reactant | 1,3-Benzenedicarboxylic acid, 5-bromo-, 1,3-dimethyl ester | HCID 103954 | — |
| Reactant | Potassium vinyltrifluoroborate | HCID 23679353 | — |
| Solvent | Water | HCID 962 | — |
| Solvent | Isopropanol | HCID 3776 | — |
| Solvent | Ethyl Acetate | HCID 8857 | — |
| Product | HCID 59570036 | HCID 59570036 | 70% |
Reaction Steps
A stirred solution of dimethyl 5-bromoisophthalate (273 mg, 1.0 mmol), potassium vinyltrifluoroborate (134 mg, 1.0 mmol) PdCl2(dppf).CH2Cl2 (16.3 mg, 0.02 mmol) and Et3N (0.42 mL, 3.0 mmol) in i-PrOH (6 mL) and H2O (3 mL) was heated to reflux for 3 h. The solution was cooled to room temperature and diluted with EtOAc and H2O. The layers were separated and the aqueous layer was extracted with EtOAc (2×10 mL). The combined organic layer was washed with brine, dried with Na2SO4 and concentrated under reduced pressure. The residue was purified by column chromatography (8% EtOAc in hexanes) to provide dimethyl 5-vinylisophthalate (153.6 mg, 70%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08299267B2 |
| Source dataset | uspto-grants-2012_10 |
| ORD ID | ord-fc5cbc2b87294ba8978e4ee5503ce454 |
| Source note | uspto-grants-2012_10 |