HuagongsheHuagongshe Chemistry Print Report · For research reference only
Riluzole → 1-Methyl-2-(6-trifluoromethoxy-benzothiazol-2-ylamino)-1H-benzoimidazole-5-carbonitrile
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Riluzole | HCID 5070 | — |
| Reactant | 1,1'-Thiocarbonyldiimidazole | HCID 80264 | — |
| Reactant | 3-Amino-4-(methylamino)benzonitrile | HCID 2779731 | — |
| Solvent | 1,2-Dichloroethane | HCID 11 | — |
| Product | 1-Methyl-2-(6-trifluoromethoxy-benzothiazol-2-ylamino)-1H-benzoimidazole-5-carbonitrile | HCID 58397497 | 72.9% |
Reaction Steps
1-Methyl-2-(6-trifluoromethoxy-benzothiazol-2-ylamino)-1H-benzoimidazole-5-carbonitrile (2.12 g) was prepared by following General Procedure D starting from 3-amino-4-methylamino-benzonitrile (1.1 g), 2-amino-6-(trifluoromethoxy)-benzothiazole (1.75 g), 1,1′-thiocarbonyldiimidazole (1.78 g), and EDC (1.9 g). LC/MS: m/z 391. 1H NMR (DMSO-d6, 400 MHz): δ 7.97 (s, 1H), 7.89 (s, 1H), 7.78 (br, 1H), 7.60 (d, 2H), 7.55 (br, 1H), 7.39 (d, 1H), and 3.72 (s, 3H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08759535B2 |
| Source dataset | uspto-grants-2014_06 |
| ORD ID | ord-e66db4bbbc434a92bafbd7b0e5cbe2ca |
| Source note | uspto-grants-2014_06 |