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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2238597Generated: November 2, 2026

Pyrrolidine → 4-[(5,7-Difluoro-3,4-dihydro-2H-chromen-4-yl)oxy]-1,2-dimethyl-6-(pyrrolidin-1-ylcarbonyl)-1H-benzimidazole

https://huagongshe.com/reaction/2238597

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyrrolidineHCID 31268—
Reactant4-[(5,7-Difluoro-3,4-dihydro-2H-chromen-4-yl)oxy]-1,2-dimethyl-1H-benzimidazole-6-carboxylic acidHCID 68690132—
Product4-[(5,7-Difluoro-3,4-dihydro-2H-chromen-4-yl)oxy]-1,2-dimethyl-6-(pyrrolidin-1-ylcarbonyl)-1H-benzimidazoleHCID 5930389439%

Reaction Steps

The title compound was prepared as a colorless amorphous in 39% yield (45 mg) from 4-[(5,7-difluoro-3,4-dihydro-2H-chromen-4-yl)oxy]-1,2-dimethyl-1H-benzimidazole-6-carboxylic acid (100 mg, 0.27 mmol, STEP 2 of Example 19) and pyrrolidine (38 mg, 0.53 mmol) by the same manner in STEP 3 of Example 11.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07718809B2
Source datasetuspto-grants-2010_05
ORD IDord-756efca4e5514e4ab2fc0e215873f227
Source noteuspto-grants-2010_05