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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 45945Generated: October 26, 2026

Potassium Carbonate → HCID 178419393, compound

https://huagongshe.com/reaction/45945

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant5-AminobenzimidazoleHCID 13623—
Reactant4-Bromobenzyl bromideHCID 68527—
ProductHCID 178419393HCID 178419393—

Reaction Steps

The compound was synthesized starting from benzimidazol-5-amine (133 mg; 1 mmol; 1 eq.), 4-bromobenzylbromide (550 mg; 2.2 mmol; 2.2 eq.) and K2CO3 (304 mg; 2.2 mmol; 2.2 eq.) according to method 5; Yield: 0.153 g (32.5%); MS m/z: 472.3 [M+H]+; 1H-NMR (500 MHz, DMSO d6): δ 4.63 (s, 4H); 6.66-6.67 (m, 1H); 6.71 (dd, 1H, 4J=2.4 Hz, 3J=8.9 Hz); 7.22-7.24 (m, 4H); 7.34 (d, 1H, 3J=8.9 Hz); 7.48-7.50 (m, 4H); 7.93 (s, 1H); 11.99 (br s, 1H; HPLC (METHOD [A]): rt 18.49 min (98.4%)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08541596B2
Source datasetuspto-grants-2013_09
ORD IDord-9ce4c835dbdc4d689fa22f622e83330d
Source noteuspto-grants-2013_09