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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2395335Generated: October 26, 2026

1-Chloro-4-isothiocyanato-2-(trifluoromethyl)benzene → 1-[4-(2-Benzimidazolylthio)phenyl]-3-(4-chloro-3-trifluoromethylphenyl)thiourea

https://huagongshe.com/reaction/2395335

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Chloro-4-isothiocyanato-2-(trifluoromethyl)benzeneHCID 520026—
Reactant2-[(4-Nitrophenyl)sulfanyl]-1H-benzimidazoleHCID 12617625—
CatalystPalladiumHCID 23938—
SolventEthyl AcetateHCID 8857—
Product1-[4-(2-Benzimidazolylthio)phenyl]-3-(4-chloro-3-trifluoromethylphenyl)thioureaHCID 537366445%

Reaction Steps

2-(4-Nitrophenylthio)benzimidazole (5.0 mmoles, 1.37 g) was reduced in ethyl acetate over 1.37 g 5% Pd/C, filtered and condensed and then reacted with 4-chloro-3-trifluoromethylphenylisothiocyanate (5.0 mmoles, 1.0 g) according to procedure C to yield the title compound 0.12 g, 5% product. Mass Spec (FD) 479. Calculated for C21H14ClF3N4 S2 : C, 52.66; H, 2.95; N, 11.70. Found: C, 52.85; H, 3.18; N, 10.47.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05814646
Source datasetuspto-grants-1998_09
ORD IDord-175c5f26d71a4cbdb380399ed9a892fb
Source noteuspto-grants-1998_09