HuagongsheHuagongshe Chemistry Print Report · For research reference only
1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → (S)-N-(1-(3-(3-chloro-4-cyanophenyl)-1H-pyrazol-1-yl)propan-2-yl)-3-(pyridin-3-yl)-1,2,4-oxadiazole-5-carboxamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide | HCID 15908 | — |
| Reactant | 1-Hydroxybenzotriazole | HCID 75771 | — |
| Reactant | Diisopropylethylamine | HCID 81531 | — |
| Reactant | HCID 28806058 | HCID 28806058 | — |
| Reactant | (S)-4-(1-(2-aminopropyl)-1H-pyrazol-3-yl)-2-chlorobenzonitrile | HCID 67170882 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | (S)-N-(1-(3-(3-chloro-4-cyanophenyl)-1H-pyrazol-1-yl)propan-2-yl)-3-(pyridin-3-yl)-1,2,4-oxadiazole-5-carboxamide | HCID 70657397 | 11.9% |
Reaction Steps
Following the method of Example 34(d), the title compound was prepared from (S)-4-(1-(2-aminopropyl)-1H-pyrazol-3-yl)-2-chlorobenzonitrile (0.27 g, 1.05 mmol), 3-(pyridin-3-yl)-1,2,4-oxadiazole-5-carboxylic acid (0.2 g, 1.05 mmol), HOBt (0.21 g, 1.57 mmol), DIPEA (0.55 mL, 3.14 mmol) and EDCI (0.3 g, 1.57 mmol) using DMF as solvent to afford 54 mg of the title product. 1H NMR (400 MHz; d6-DMSO): δ 1.23 (d, 3H), 4.37 (m, 2H), 4.50 (m, 1H), 6.96 (d, 1H), 7.65 (m, 1H), 7.88 (d, 1H), 7.92 (m, 2H), 8.04 (m, 1H), 8.38 (m, 1H), 8.83 (dd, 1H), 9.19 (dd, 1H), 9.50 (m, 1H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08975254B2 |
| Source dataset | uspto-grants-2015_03 |
| ORD ID | ord-2d7738e99d564cb5bb412f4d86a31e8e |
| Source note | uspto-grants-2015_03 |