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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 452112Generated: November 1, 2026

4-Chlorobenzaldehyde → HCID 178517655, compound

https://huagongshe.com/reaction/452112

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-ChlorobenzaldehydeHCID 7726—
Reactant5-AminobenzimidazoleHCID 13623—
Reactant1,1'-CarbonyldiimidazoleHCID 68263—
ReactantTrimethylsilyl cyanideHCID 82115—
ProductHCID 178517655HCID 178517655—

Reaction Steps

The compound was synthesized starting from 5-aminobenzimidazole (0.585 g, 4.4 mmol), 4-chlorobenzaldehyde (0.56 g, 4 mmol), TMSCN (0.5 mL, 4 mmol), PdC (10%, 0.02 g), TEA 1.93 mL, 13.9 mmol), di-(imidazol-1-yl)methanone (1.12 g, 6.9 mmol) as described in method 2. Yield: 0.045 g (3.6%); MS m/z 313.1 (M+H)+; 1H NMR (400 MHz, DMSO-D6): δ 3.04-3.08 (m, H); 3.79-3.84 (m, H); 5.49-5.52 (m, H); 6.93 (s, H); 7.33-7.38 (m, 5H); 7.19-7.22 (m, H); 7.51 (d, H, J=1.7 Hz); 8.05 (s, H); 12.22 (br s, H), HPLC (λ=214 nm, [B]: rt 9.62 min (99.7%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08486940B2
Source datasetuspto-grants-2013_07
ORD IDord-83802cdbdace447a94ca5dc248b0d1e9
Source noteuspto-grants-2013_07