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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 45948Generated: October 26, 2026

Potassium Carbonate → HCID 178505929, compound

https://huagongshe.com/reaction/45948

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant5-AminobenzimidazoleHCID 13623—
Reactant3,5-Difluorobenzyl bromideHCID 518896—
ProductHCID 178505929HCID 178505929—

Reaction Steps

The compound was synthesized starting from benzimidazol-5-amine (133 mg; 1 mmol; 1 eq.), 3,5-difluorobenzylbromide (455 mg; 0.285 ml; 2.2 mmol; 2.2 eq.) and K2CO3 (304 mg; 2.2 mmol; 2.2 eq.) according to method 5; Yield: 0.065 g (16.7%); MS m/z: 386.3 [M+H]+; 1H-NMR (500 MHz, DMSO d6): δ 4.75 (s, 4H); 6.67-6.70 (m, 2H); 6.97-6.99 (m, 4H); 7.07 (tt, 2H, 4J=2.3 Hz, 3JH,F=9.3 Hz); 7.36-7.37 (m, 1H); 7.94 (s, 1H); 11.96 (br s, 1H); HPLC (METHOD [A]): rt 16.26 min (100%)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08541596B2
Source datasetuspto-grants-2013_09
ORD IDord-c37a9bf8caf740f4aa8b27a7026f2c83
Source noteuspto-grants-2013_09