HuagongsheHuagongshe Chemistry Print Report · For research reference only
Diisopropylethylamine → 1-Ethyl-2-(6-trifluoromethyl-benzothiazol-2-ylamino)-1H-benzoimidazole-5-carboxylic acid (2-methoxy-2-methyl-propyl)-amide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Diisopropylethylamine | HCID 81531 | — |
| Reactant | Methanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1) | HCID 2733084 | — |
| Reactant | 2-Methoxy-2-methylpropan-1-amine | HCID 11789141 | — |
| Reactant | 1-Ethyl-2-(6-trifluoromethyl-benzothiazol-2-ylamino)-1H-benzoimidazole-5-carboxylic acid | HCID 86656865 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | 1-Ethyl-2-(6-trifluoromethyl-benzothiazol-2-ylamino)-1H-benzoimidazole-5-carboxylic acid (2-methoxy-2-methyl-propyl)-amide | HCID 86656870 | 43% |
Reaction Steps
1-Ethyl-2-(6-trifluoromethyl-benzothiazol-2-ylamino)-1H-benzoimidazole-5-carboxylic acid (2-methoxy-2-methyl-propyl)-amide (78.0 mg) was prepared by following General Procedure F starting from 1-ethyl-2-(6-trifluoromethyl-benzothiazol-2-ylamino)-1H-benzoimidazole-5-carboxylic acid (150.0 mg), 2-methoxy-2-methyl-propylamine (50.0 mg), HBTU (200.0 mg) and DIEA (0.2 mL) in DMF (1.0 mL). LCMS: m/z 493; and 1H NMR (DMSO-d6, 400 MHz): δ 8.25 (1H, br. s), 8.20-8.17 (1H, m), 8.11 (1H, br. s), 7.81 (1H, m), 7.70 (1H, m), 7.57 (1H, m), 4.25 (2H, m), 3.37-3.35 (2H, d), 3.32 (2H, s), 3.18 (3H, s), 1.35-1.32 (3H, t), 1.14 (6H, s).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08759535B2 |
| Source dataset | uspto-grants-2014_06 |
| ORD ID | ord-4458cbe65620473c80e4c9989f048454 |
| Source note | uspto-grants-2014_06 |