HuagongsheHuagongshe Chemistry Print Report · For research reference only
2-Methoxyethylamine → 1-Ethyl-2-(6-trifluoromethyl-benzothiazol-2-ylamino)-1H-benzoimidazole-5-carboxylic acid (2-methoxy-ethyl)-amide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2-Methoxyethylamine | HCID 8018 | — |
| Reactant | Diisopropylethylamine | HCID 81531 | — |
| Reactant | Methanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1) | HCID 2733084 | — |
| 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-ethyl)-amide | HCID 86656868 | 37.4% |
Reaction Steps
1-Ethyl-2-(6-trifluoromethyl-benzothiazol-2-ylamino)-1H-benzoimidazole-5-carboxylic acid (2-methoxy-ethyl)-amide (64.0 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-ethylamine (38.0 mg), HBTU (200.0 mg) and DIEA (0.2 mL) in DMF (1.0 mL). LCMS: m/z 465; and 1H NMR (DMSO-d6, 400 MHz): δ 8.50 (1H, m), 8.25 (1H, br. s), 8.12 (1H, br. s), 7.82-7.78 (2H, m), 7.70-7.68 (1H, m), 7.57-7.54 (1H, m), 4.24 (2H, m), 3.51-3.43 (4H, m), 3.29 (3H, s), 1.35-1.31 (3H, t), —NH proton signal was not observed.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08759535B2 |
| Source dataset | uspto-grants-2014_06 |
| ORD ID | ord-f349ca24a2fc4f41965172f4469ea8bd |
| Source note | uspto-grants-2014_06 |