HuagongsheHuagongshe Chemistry Print Report · For research reference only
1,3,4-Thiadiazol-2-amine, 5-(trifluoromethyl)- → 6-{(E)-2-[2-(2,2-Dimethylpropoxy)-3-methoxyphenyl]vinyl}-N-[5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl]imidazo[2,1-b][1,3]thiazole-5-carboxamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1,3,4-Thiadiazol-2-amine, 5-(trifluoromethyl)- | HCID 82634 | — |
| Reactant | 1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochloride | HCID 2723939 | — |
| Reactant | 6-{(E)-2-[2-(2,2-Dimethylpropoxy)-3-methoxyphenyl]vinyl}imidazo[2,1-b][1,3]thiazole-5-carboxylic acid | HCID 67549485 | — |
| Catalyst | 4-(Dimethylamino)pyridine | HCID 14284 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | 6-{(E)-2-[2-(2,2-Dimethylpropoxy)-3-methoxyphenyl]vinyl}-N-[5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl]imidazo[2,1-b][1,3]thiazole-5-carboxamide | HCID 46832954 | — |
Reaction Steps
The title compound was prepared according to the general procedure (Method B) by coupling Intermediate 3 (150 mg, 0.388 mmol) with 5-(trifluoromethyl)-1,3,4-thiadiazol-2-amine (78 mg, 0.465 mmol) in the presence of EDCI hydrochloride (148 mg, 0.776 mmol) and DMAP (71 mg, 0.582 mmol) in a mixture of DCM and DMF (4:1, 10 mL) to give 80 mg of the product as an off-white solid; 1H NMR (300 MHz, CDCl3) δ 1.02 (s, 9H), 3.56 (s, 2H), 3.83 (s, 3H), 6.79-6.82 (m, 2H), 6.84-6.94 (m, 2H), 7.28 (d, J=16.5 Hz, 1H), 7.66 (d, J=15.9 Hz, 1H), 8.11 (d, J=4.5 Hz, 1H); ESI-MS (m/z) 538.27 (MH)+.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08318928B2 |
| Source dataset | uspto-grants-2012_11 |
| ORD ID | ord-0942fb531d4e43389ce562a834a0123b |
| Source note | uspto-grants-2012_11 |