HuagongsheHuagongshe Chemistry Print Report · For research reference only
Triethylamine → 4-bromo-N-methoxy-N,3-dimethylbenzamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Triethylamine | HCID 8471 | — |
| Reactant | N,O-Dimethylhydroxylamine | HCID 14232 | — |
| Reactant | 4-Bromo-3-methylbenzoic acid | HCID 82131 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | 4-bromo-N-methoxy-N,3-dimethylbenzamide | HCID 21833795 | 61.8% |
Reaction Steps
A mixture of 4-bromo-3-methyl-benzoic acid (15 g, 0.069 mol), O,N-dimethyl hydroxylamine (6.5 g, 0.1 mol) HATU (38 g, 0.1 mol), and triethylamine (20 g, 0.2 mol) dissolved in DMF (50 mL) was stirred at RT for 12 h, concentrated, and purified by silica gel chromatography (1:1 EtOAc:petroleum ether) to provide the title intermediate (11 g, 61% yield) 1H NMR (CDCl3, 400 MHz) δ (ppm): 7.52 (m, 2H), 7.32 (m, 1H), 3.50 (s, 3H), 3.29 (m, 3H), 2.38 (s, 3H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08921372B2 |
| Source dataset | uspto-grants-2014_12 |
| ORD ID | ord-376719c454e2484b9d140a9c765cba3b |
| Source note | uspto-grants-2014_12 |