HuagongsheHuagongshe Chemistry Print Report · For research reference only
Riluzole → 1-Methyl-2-(6-trifluoromethoxy-benzothiazol-2-ylamino)-1H-benzoimidazole-5-carboxylic acid methyl amide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Riluzole | HCID 5070 | — |
| Reactant | 1,1'-Thiocarbonyldiimidazole | HCID 80264 | — |
| Reactant | 3-amino-N-methyl-4-(methylamino)benzamide | HCID 46344445 | — |
| Solvent | 1,2-Dichloroethane | HCID 11 | — |
| Product | 1-Methyl-2-(6-trifluoromethoxy-benzothiazol-2-ylamino)-1H-benzoimidazole-5-carboxylic acid methyl amide | HCID 77106020 | 8.2% |
Reaction Steps
1-Methyl-2-(6-trifluoromethoxy-benzothiazol-2-ylamino)-1H-benzoimidazole-5-carboxylic acid methyl amide (74 mg) was prepared by following General Procedure D starting from 3-amino-N-methyl-4-methylamino-benzamide (460 mg), 2-amino-6-(trifluoromethoxy)benzothiazole (499 mg), 1,1′-thiocarbonyl-diimidazole (454 mg), and EDC (611 mg). LC/MS: m/z 423.0. 1H NMR (DMSO-d6, 400 MHz): δ 12.39 (bs, 1H), 8.42 (s, 1H), 8.09 (s, 1H), 7.93 (s, 1H), 7.75 (d, 2H), 7.50 (d, 1H), 7.36 (d, 1H), 3.68 (bs, 3H), 2.81 (d, 3H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08759535B2 |
| Source dataset | uspto-grants-2014_06 |
| ORD ID | ord-ce826afd169b4861b256656dbca0109d |
| Source note | uspto-grants-2014_06 |