HuagongsheHuagongshe Chemistry Print Report · For research reference only
Potassium Carbonate → 3-Methyl-3-naphthalen-1-ylmethyl-2,3-dihydro-benzofuran-6-carboxylic acid methyl ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Potassium Carbonate | HCID 11430 | — |
| Reactant | 1-Naphthaleneboronic acid | HCID 254532 | — |
| Reactant | 4-Iodo-3-(2-methyl-allyloxy)-benzoic acid methyl ester | HCID 25129045 | — |
| Catalyst | Tetrabutylammonium Chloride | HCID 70681 | — |
| Catalyst | palladium(II) acetate | HCID 167845 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | 3-Methyl-3-naphthalen-1-ylmethyl-2,3-dihydro-benzofuran-6-carboxylic acid methyl ester | HCID 68482885 | 43% |
Reaction Steps
A solution of 4-Iodo-3-(2-methyl-allyloxy)-benzoic acid methyl ester (455 mg, 1.37 mmol) in DMF (15 mL) were added Potassium carbonate (379 mg, 2.74 mmol), Tetrabutylammonium chloride (380 mg, 1.37 mmol), Palladium acetate (25.6 mg, 0.136 mmol) in DMF (5 mL) and 1-Naphthylboronic acid, (282 mg, 1.64 mmol) was submitted to microwave irradiation at 100° C. for 10 minutes and as the reaction was not completed at 150° C. for 15 minutes. The resulting mixture was filtered over silica, washed with water, dried over MgSO4 and concentrated. Column chromatography (silica gel, heptane/CH2Cl2: 4/6) afforded 196 mg (43%) of the title compound as a slightly brown oil.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08440832B2 |
| Source dataset | uspto-grants-2013_05 |
| ORD ID | ord-b038e8c08628424c940db28e620d2ec9 |
| Source note | uspto-grants-2013_05 |