HuagongsheHuagongshe Chemistry Print Report · For research reference only
1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → N-(2-(3-(3-chloro-4-cyano-2-methylphenyl)isoxazol-5-yl)ethyl)-3-(pyridin-3-yl)-1H-pyrazole-5-carboxamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide | HCID 15908 | — |
| Reactant | Diisopropylethylamine | HCID 81531 | — |
| Reactant | 1-Hydroxybenzotriazole hydrate | HCID 2796029 | — |
| Reactant | 3-(pyridin-3-yl)-1H-pyrazole-5-carboxylic acid | HCID 3159715 | — |
| Reactant | 4-(5-(2-Aminoethyl)isoxazol-3-yl)-2-chloro-3-methylbenzonitrile hydrochloride | HCID 67169735 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | N-(2-(3-(3-chloro-4-cyano-2-methylphenyl)isoxazol-5-yl)ethyl)-3-(pyridin-3-yl)-1H-pyrazole-5-carboxamide | HCID 67171640 | 16.3% |
Reaction Steps
N-(2-(3-(3-chloro-4-cyano-2-methylphenyl)isoxazol-5-yl)ethyl)-3-(pyridin-3-yl)-1H-pyrazole-5-carboxamide was prepared from 4-(5-(2-aminoethyl)isoxazol-3-yl)-2-chloro-3-methylbenzonitrile hydrochloride (54.8 g, 0.184 mmol), 3-(pyridin-3-yl)-1H-pyrazole-5-carboxylic acid (34.8 mg, 0.184 mmol), HOBt hydrate (42.2 mg, 0.276 mmol), DIPEA (0.096 ml, 0.551 mmol) and EDCI (53 mg, 0.276 mmol) using DCM as solvent as described in previous Example. The crude product was purified by preparative HPLC to give the title compound 13 mg. 1H-NMR (400 MHz; CDCl3): δ 2.47 (s, 3H), 3.23 (t, 2H), 3.89 (m, 2H), 6.30 (s, 1H), 7.09 (bs, 1H), 7.22 (bs, 1H), 7.40 (m, 2H), 7.57 (d, 1H), 7.98 (d, 1H), 8.62 (bs, 1H), 8.95 (bs, 1H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08975254B2 |
| Source dataset | uspto-grants-2015_03 |
| ORD ID | ord-1751f49fc32a41bc97c0ec06152fe8c3 |
| Source note | uspto-grants-2015_03 |