HuagongsheHuagongshe Chemistry Print Report · For research reference only
4,5-Dibromothenoic acid → N-{2-amino-1-[2-(trifluoromethyl)phenyl]ethyl}-4-(1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4,5-Dibromothenoic acid | HCID 80611 | — |
| Reactant | tert-butyl N-{2-amino-2-[2-(trifluoromethyl)phenyl]ethyl}carbamate | HCID 16244624 | — |
| Reactant | 1,1-Dimethylethyl (3-amino-4-phenylbutyl)carbamate | HCID 59777238 | — |
| Product | N-{2-amino-1-[2-(trifluoromethyl)phenyl]ethyl}-4-(1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxamide | HCID 24995937 | — |
Reaction Steps
The title compound was prepared as a white solid according to the procedure of Example 20, except substituting 4-bromo-2-thiophenecarboxylic acid (104 mg, 0.5 mmol) for 4,5-dibromo-2-thiophenecarboxylic acid and substituting 1,1-dimethylethyl {2-amino-2-[2-(trifluoromethyl)phenyl]ethyl}carbamate (152 mg, 0.5 mmol) [prepared according to the procedure of Preparation 16] for 1,1-dimethylethyl (3-amino-4-phenylbutyl)carbamate: LC-MS (ES) m/z 395 (M+H)+, 1H NMR (400 MHz, MeOD) δ ppm 3.36-3.39 (m, 1H) 3.46-3.53 (m, 1H) 3.98 (s, 3H) 5.86-5.91 (m, 1H) 6.48 (s, 1H) 7.51 (d, J=2.02 Hz, 1H) 7.60 (s, 1H) 7.76 (s, 1H) 7.83 (d, J=8.08 Hz, 2H) 7.94 (s, 1H) 8.05 (s, 1H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08273782B2 |
| Source dataset | uspto-grants-2012_09 |
| ORD ID | ord-92637ef2f2124e0cb8a01f065d75cef5 |
| Source note | uspto-grants-2012_09 |