HuagongsheHuagongshe Chemistry Print Report · For research reference only
2,4-Difluoroaniline → 9-(2,4-Difluorophenylamino)thiazolo[5,4-f]quinazoline-2-carbonitrile
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2,4-Difluoroaniline | HCID 9709 | — |
| Reactant | Potassium Bromide | HCID 253877 | — |
| Reactant | HCID 178484237 | HCID 178484237 | — |
| Solvent | Dichloromethane ethylacetate | HCID 21226138 | — |
| Product | 9-(2,4-Difluorophenylamino)thiazolo[5,4-f]quinazoline-2-carbonitrile | HCID 71277758 | 68% |
Reaction Steps
Prepared from VII and 2,4-difluoroaniline. Flash chromatography eluent (DCM-EtOAc, 7:3). Yield: 68%; yellow solid; mp>260° C.; IR (KBr) νmax/cm−1 2228, 1645, 1611, 1583, 1557, 1488, 1460, 1378, 1357, 1311, 1276, 1260, 1172, 1138, 1091, 962, 854, 831, 818; 19F NMR (282 MHz, DMSO-d6) δ −117.6, −118.7; 1H NMR (300 MHz, DMSO-d6) δ 8.54 (d, 1H, J=9.0 Hz), 8.22 (s, 1H), 7.78 (d, 1H, J=9.0 Hz), 7.35-7.24 (m, 2H), 7.06 (t, 1H, J=7.8 Hz); HRMS calcd for C16H8N5SF2 (M+H+): 340.0468, found 340.0458.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09446044B2 |
| Source dataset | uspto-grants-2016_09 |
| ORD ID | ord-ff4668994610484a9fd2b4e422dfc5ef |
| Source note | uspto-grants-2016_09 |