HuagongsheHuagongshe Chemistry Print Report · For research reference only
3,4-Difluorobenzaldehyde → 4-(2-fluoro-4-formyl-phenoxy)-2,2-dimethyl-2,3-dihydro-benzofuran-6-carboxylic acid (1-methyl-1H-pyrazol-3-yl)-amide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 3,4-Difluorobenzaldehyde | HCID 588088 | — |
| Reactant | 2,3-Dihydro-4-hydroxy-2,2-dimethyl-N-(1-methyl-1H-pyrazol-3-yl)-6-benzofurancarboxamide | HCID 59560084 | — |
| Reactant | 6-(4-Methanesulfonyl-phenoxy)-2-methyl-2,3-dihydro-benzofuran-4-carboxylic acid methyl ester | HCID 59560437 | — |
| Product | 4-(2-fluoro-4-formyl-phenoxy)-2,2-dimethyl-2,3-dihydro-benzofuran-6-carboxylic acid (1-methyl-1H-pyrazol-3-yl)-amide | HCID 59560083 | — |
Reaction Steps
The title compound was prepared in a similar manner as described for Intermediate 1f, from 3,4-difluoro-benzaldehyde and 4-hydroxy-2,2-dimethyl-2,3-dihydro-benzofuran-6-carbo-xylic acid(1-methyl-1H-pyrazol-3-yl)-amide (31a). 1H NMR (400 MHz, CDCl3) δ 9.92 (d, J=2.02 Hz, 1 H) 8.52 (s, 1 H) 7.72 (dd, J=10.36, 1.77 Hz, 1 H) 7.64 (d, J=8.34 Hz, 1 H) 7.28 (s, 1 H) 7.09 (t, J=7.96 Hz, 1 H) 7.05 (s, 1 H) 6.97 (s, 1 H) 6.77 (d, J=2.02 Hz, 1 H) 3.78 (s, 3 H) 2.98 (s, 2 H) 1.51 (s, 6 H); LCMS for C22H20FN3O4 m/z 410.00 (M+H)+.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08119624B2 |
| Source dataset | uspto-grants-2012_02 |
| ORD ID | ord-399571432f9949a381fe383d18f849d9 |
| Source note | uspto-grants-2012_02 |