HuagongsheHuagongshe Chemistry Print Report · For research reference only
3-Tolylboronic acid → HCID 86599083, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 3-Tolylboronic acid | HCID 2733950 | — |
| Reactant | Potassium tert-butoxide | HCID 23665647 | — |
| Reactant | (7-Bromo-2,3-dihydro-1-benzofuran-2-yl)methyl 4-methylbenzenesulfonate | HCID 58747572 | — |
| Catalyst | HCID 178424406 | HCID 178424406 | — |
| Product | HCID 86599083 | HCID 86599083 | 70% |
Reaction Steps
Treatment of (±)-(7-bromo-2,3-dihydro-1-benzofuran-2-yl)methyl 4-methylbenzenesulfonate (0.50 g, 1.305 mmol) with 3-methylphenylboronic acid (0.266 g, 1.96 mmol), dichlorobis(tri-o-tolylphosphine)-palladium(II) (0.051 g, 0.065 mmol), and potassium tert-butoxide (0.366 g, 3.26 mmol) generally according to the procedure described for Intermediate 37 provided 0.358 g (70%) of (±)-[7-(2-methylphenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl 4-methylbenzenesulfonate as a white solid. mp 98-100° C.; Anal. calcd. for C23H22O4S: C, 70.03; H, 5.62. Found: C, 69.83; H, 5.61.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07435837B2 |
| Source dataset | uspto-grants-2008_10 |
| ORD ID | ord-953820262fcb4d02b49a3b8fe1c76d00 |
| Source note | uspto-grants-2008_10 |