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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 45944Generated: October 28, 2026

Potassium Carbonate → HCID 178420491, compound

https://huagongshe.com/reaction/45944

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant5-AminobenzimidazoleHCID 13623—
Reactant6-(bromomethyl)-3,4-dihydro-2H-1,5-benzodioxepineHCID 2794992—
ProductHCID 178420491HCID 178420491—

Reaction Steps

The compound was synthesized starting from benzimidazol-5-amine (133 mg; 1 mmol; 1 eq.), 6-(bromomethyl)-3,4-dihydro-1,5-benzodioxepin (535 mg; 2.2 mmol; 2.2 eq.) and K2CO3 (304 mg; 2.2 mmol; 2.2 eq.) according to method 5; Yield: 0.098 g (21.4%); MS m/z: 458.5 [M+H]+; 1H-NMR (500 MHz, DMSO d6): δ 2.10 (quin, 4H, 3J=5.5 Hz); 4.10 (t, 4H, 3J=5.5 Hz); 4.15 (t, 4H, 3J=5.5 Hz); 4.61 (s, 4H); 6.58-6.60 (m, 2H); 6.76-6.85 (m, 6H); 7.31 (d, 1H, 3J=9.8 Hz); 7.88 (s, 1H); 11.89 (br s, 1H); HPLC (METHOD [A]): rt 16.11 min (92.3%)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08541596B2
Source datasetuspto-grants-2013_09
ORD IDord-4955fa7c986c45238d0d64be0d0389cc
Source noteuspto-grants-2013_09