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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 45939Generated: October 23, 2026

p-Xylyl bromide → (4-methylbenzyl)-1H-benzo[d]imidazol-5-amine

https://huagongshe.com/en/reaction/45939

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-Xylyl bromideHCID 7721—
ReactantPotassium CarbonateHCID 11430—
Reactant5-AminobenzimidazoleHCID 13623—
Product(4-methylbenzyl)-1H-benzo[d]imidazol-5-amineHCID 62507494—

Reaction Steps

The compound was synthesized starting from benzimidazol-5-amine (133 mg; 1 mmol; 1 eq.), 4-methylbenzylbromide (407 mg; 2.2 mmol; 2.2 eq.) and K2CO3 (304 mg; 2.2 mmol; 2.2 eq.) according to method 5; Yield: 0.109 g (32.0%); MS m/z: 342.1 [M+H]+; 1H-NMR (500 MHz, DMSO d6): δ 2.23 (s, 6H); 4.57 (s, 4H); 6.66 (br s, 1H); 6.71 (dd, 1H, 4J=2.1 Hz, 3J=8.9 Hz); 7.09 (d, 4H, 3J=7.9 Hz); 7.14 (d, 4H, 3J=7.9 Hz); 7.30 (d, 1H, 3J=8.5 Hz); 7.88 (s, 1H); 11.88 (br s, 1H); HPLC (METHOD [A]): rt 17.36 min (98.1%)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08541596B2
Source datasetuspto-grants-2013_09
ORD IDord-d94a5eae9a8e4e068f5b1a491d04ce35
Source noteuspto-grants-2013_09