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-isopropyl-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 | 3-Isopropyl-1,2,4-oxadiazole-5-carboxylic acid | HCID 23201026 | — |
| 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-isopropyl-1,2,4-oxadiazole-5-carboxamide | HCID 70657546 | — |
Reaction Steps
The title compound was prepared using the method of Example 34(d) starting from (S)-4-(1-(2-aminopropyl)-1H-pyrazol-3-yl)-2-chlorobenzonitrile (0.33 g, 1.28 mmol), 3-isopropyl-1,2,4-oxadiazole-5-carboxylic acid (0.2 g, 1.28 mmol), HOBt (0.26 g, 1.92 mmol), DIPEA (0.7 mL, 3.84 mmol) and EDCI (0.37 g, 1.92 mmol) using DMF (10 mL) as solvent. Yield 0.197 g. 1H NMR (400 MHz; MeOD): δ 1.24 (d, 3H), 1.33 (d, 6H), 3.15 (m, 1H), 4.38 (m, 2H), 4.57 (m, 1H), 6.78 (d, 1H), 7.71 (d, 1H), 7.77 (m, 1H), 7.87 (dd, 1H), 8.02 (dd, 1H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08975254B2 |
| Source dataset | uspto-grants-2015_03 |
| ORD ID | ord-b1663bf204b94dd494332ad3e5625374 |
| Source note | uspto-grants-2015_03 |