Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2054100Generated: November 4, 2026

Bromine → HCID 178427199, compound

https://huagongshe.com/reaction/2054100

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBromineHCID 24408—
ReactantDiisopropylethylamineHCID 81531—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
Reactant3-Methyl 4-(pyrrolidin-1-ylcarbonyl)benzoic acidHCID 12068686—
Reactant(1R)-1-(5-bromo-1H-benzimidazol-2-yl)-2-hydroxyethylamineHCID 178511832—
SolventTetrahydrofuranHCID 8028—
SolventDichloromethane ethanolHCID 21584144—
ProductHCID 178427199HCID 17842719943%

Reaction Steps

Prepared analogously to Example 1g from 3-methyl-4-(pyrrolidin-1-ylcarbonyl)benzoic acid, TBTU, diisopropylethylamine, and (1R)-1-(5-bromo-1H-benzimidazol-2-yl)-2-hydroxyethylamine in tetrahydrofuran. Yield: 43%; Rf value: 0.23 (silica gel: dichloromethane/ethanol=95:5); C22H23BrN4O3 (471.36); mass spectrum: (M+H)+=471/473 (bromine isotope). The Examples that follow describe the preparation of pharmaceutical formulations which contain as active substance any desired compound of general formula (1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07326791B2
Source datasetuspto-grants-2008_02
ORD IDord-63f64b7672814ba8ab5e2589e18b415b
Source noteuspto-grants-2008_02