HuagongsheHuagongshe Chemistry Print Report · For research reference only
Oxalyl chloride → 2-(Difluoromethyl)-5-(isobutyramidomethyl)-N-(4-(isopropylamino)quinazolin-8-yl)nicotinamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Oxalyl chloride | HCID 65578 | — |
| Reactant | Diisopropylethylamine | HCID 81531 | — |
| Reactant | 2-(Difluoromethyl)-5-(isobutyramidomethyl)nicotinic acid | HCID 71059840 | — |
| Reactant | N4-isopropylquinazoline-4,8-diamine | HCID 86692303 | — |
| Catalyst | Dimethylformamide | HCID 6228 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | 2-(Difluoromethyl)-5-(isobutyramidomethyl)-N-(4-(isopropylamino)quinazolin-8-yl)nicotinamide | HCID 71680228 | 4.4% |
Reaction Steps
The title compound was prepared following the procedure described in Example-1 using N4-isopropylquinazoline-4,8-diamine (Intermediate-57, 100 mg, 0.50 mmol), 2-(difluoromethyl)-5-(isobutyramidomethyl)nicotinic acid (Intermediate-66, 161 mg, 0.60 mmol), oxalyl chloride (113 mg, 0.90 mmol), DMF (1 drop) and DIPEA (192 mg, 1.49 mmol) in CH2Cl2 (2 mL) to afford 10 mg of the title product. 1H NMR (300 MHz, DMSO-d6): δ 10.32 (s, 1H), 8.71 (s, 1H), 8.64 (m, 1H), 8.48 (m, 2H), 8.08 (m, 3H), 7.53 (m, 1H), 7.23 (t, J=54 Hz, 1H), 4.44 (m, 1H), 4.41 (d, 2H), 2.50 (m, 1H), 1.27 (d, J=6.9 Hz, 6H), 1.04 (d, J=7.5 Hz, 6H); MS [M+H]+: 457.47.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09006257B2 |
| Source dataset | uspto-grants-2015_04 |
| ORD ID | ord-e024138fe08046e49637717465b01921 |
| Source note | uspto-grants-2015_04 |