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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 45956Generated: October 29, 2026

Potassium Carbonate → HCID 178429760, compound

https://huagongshe.com/reaction/45956

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant5-AminobenzimidazoleHCID 13623—
Reactant1-Bromomethyl-4-methyl-2,3,5,6-tetrafluorobenzeneHCID 2778368—
ProductHCID 178429760HCID 178429760—

Reaction Steps

The compound was synthesized starting from benzimidazol-5-amine (133 mg; 1 mmol; 1 eq.), 2,3,5,6-tetrafluoro-4-methylbenzylbromide (566 mg; 2.2 mmol; 2.2 eq.) and K2CO3 (304 mg; 2.2 mmol; 2.2 eq.) according to method 5. Yield: 0.034 g (11.0%); MS m/z: 310.2 [M+H]+; 1H-NMR (500 MHz, DMSO d6): δ 2.20 (t, 3H, 3J(H,F)=1.9 Hz); 4.35 (d, 2H); 5.85 (br s, 1H); 6.60 (dd, 1H, 4J=1.8 Hz, 3J=8.5 Hz); 6.69 (br s, 1H); 7.28 (d, 1H, 3J=8.5 Hz); 7.87 (s, 1H); 11.95 (br s, 1H); HPLC (METHOD [A]): rt 13.04 min (100%)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08541596B2
Source datasetuspto-grants-2013_09
ORD IDord-d9dc5f5714784e05b7906915cb7049ba
Source noteuspto-grants-2013_09