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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 410947Generated: November 2, 2026

Riluzole → 1-Methyl-2-(6-trifluoromethoxy-benzothiazol-2-ylamino)-1H-benzoimidazole-5-carbonitrile

https://huagongshe.com/reaction/410947

Reaction equation

Participants

RoleNameHCIDCharge
ReactantRiluzoleHCID 5070—
Reactant1,1'-ThiocarbonyldiimidazoleHCID 80264—
Reactant3-Amino-4-(methylamino)benzonitrileHCID 2779731—
Solvent1,2-DichloroethaneHCID 11—
Product1-Methyl-2-(6-trifluoromethoxy-benzothiazol-2-ylamino)-1H-benzoimidazole-5-carbonitrileHCID 5839749772.9%

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

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08759535B2
Source datasetuspto-grants-2014_06
ORD IDord-e66db4bbbc434a92bafbd7b0e5cbe2ca
Source noteuspto-grants-2014_06