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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 45955Generated: October 29, 2026

Potassium Carbonate → HCID 178478125, compound

https://huagongshe.com/reaction/45955

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant5-AminobenzimidazoleHCID 13623—
Reactant2,5-Dichlorobenzyl bromideHCID 3495744—
ProductHCID 178478125HCID 178478125—

Reaction Steps

The compound was synthesized starting from benzimidazol-5-amine (133 mg; 1 mmol; 1 eq.), 2,5-dichlorobenzylbromide (528 mg; 2.2 mmol; 2.2 eq.) and K2CO3 (304 mg; 2.2 mmol; 2.2 eq.) according to method 5. Yield: 0.045 g (15.4%); MS m/z: 292.2/294.3 [M+H]+; 1H-NMR (500 MHz, DMSO d6): δ 4.32 (d, 2H, 3J=6.1 Hz); 6.20 (br s, 1H); 6.43 (br s, 1H); 6.60 (dd, 1H, 4J=1.6 Hz, 3J=8.8 Hz); 7.30-7.33 (m, 2H); 7.40 (d, 1H, 4J=2.6 Hz); 7.49 (d, 1H, 3J=8.5 Hz); 7.86 (s, 1H), 11.83 (br s, 1H); HPLC (METHOD [A]): rt 12.97 min (100%)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08541596B2
Source datasetuspto-grants-2013_09
ORD IDord-f3131cdf3b9247ca8b5f54efe51e989a
Source noteuspto-grants-2013_09