HuagongsheHuagongshe Chemistry Print Report · For research reference only
Benzyl Bromide → Ethyl 4-bromo-3-benzyloxybenzoate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Benzyl Bromide | HCID 7498 | — |
| Reactant | Potassium Carbonate | HCID 11430 | — |
| Reactant | Ethyl 4-bromo-3-hydroxybenzoate | HCID 12134897 | — |
| Solvent | Acetone | HCID 180 | — |
| Product | Ethyl 4-bromo-3-benzyloxybenzoate | HCID 12134898 | 84.3% |
Reaction Steps
To a suspension of 4.5 g (18.4 mmol) of 6 and 4.1 g (30 mmol) of K2CO3 in 150 ml of acetone under Ar was added 3.4 g (20 mmol) of BnBr. The mixture was heated at reflux for 15 h, concentrated, then diluted with 100 ml of CH2Cl2, washed (water, 1 N HCl, and brine), and dried (Na2SO4). Concentration and chromatography (EtOAc/hexane) afforded 5.2 g (84%) of 7 (white solid): 1H NMR (300 MHz, CDCl3) δ 1.39 (t, J=7.2 Hz, 3 H), 4.37 (q, J=7.2 Hz, 2 H), 5.21 (s, 2 H), 7.39 (m, 3 H), 7.50 (in, 3 H), 7.63 ppm (m, 2 H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | USRE042700E1 |
| Source dataset | uspto-grants-2011_09 |
| ORD ID | ord-e6579adaf95746bd8ab4401da316574b |
| Source note | uspto-grants-2011_09 |