Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 573277Generated: October 26, 2026

Water → 2-(5-Bromo-2,3-dihydro-1H-indol-1-yl)-1H-benzimidazole

https://huagongshe.com/reaction/573277

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
Reactant2-ChlorobenzimidazoleHCID 78572—
Reactant5-BromoindolineHCID 3411566—
SolventN,N-dimethylformamide N,N-dimethylacetamideHCID 22628260—
Product2-(5-Bromo-2,3-dihydro-1H-indol-1-yl)-1H-benzimidazoleHCID 6672787269.4%

Reaction Conditions

Temperature150 °C

Reaction Steps

A mixture of 5-bromoindoline (1 g) and 2-chloro-1H-benzo[d]imidazole (0.770 g) in DMA/DMF (5 mL, 3/2) was stirred at 150° C. for 12 h, treated with water, and extracted with AcOEt. The organic layer was dried over MgSO4 and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (AcOEt/hexane) to give the title compound (1.1 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09029536B2
Source datasetuspto-grants-2015_05
ORD IDord-382a041251144bd1a58a76f565fcab9f
Source noteuspto-grants-2015_05