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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2238596Generated: October 29, 2026

Azetidine hydrochloride → 6-(Azetidin-1-ylcarbonyl)-4-[(5,7-difluoro-3,4-dihydro-2H-chromen-4-yl)oxy]-1,2-dimethyl-1H-benzimidazole

https://huagongshe.com/reaction/2238596

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAzetidine hydrochlorideHCID 12308726—
Reactant4-[(5,7-Difluoro-3,4-dihydro-2H-chromen-4-yl)oxy]-1,2-dimethyl-1H-benzimidazole-6-carboxylic acidHCID 68690132—
Product6-(Azetidin-1-ylcarbonyl)-4-[(5,7-difluoro-3,4-dihydro-2H-chromen-4-yl)oxy]-1,2-dimethyl-1H-benzimidazoleHCID 5930389580%

Reaction Steps

The title compound was prepared as a colorless amorphous in 80% yield (1.4 g) from 4-[(5,7-difluoro-3,4-dihydro-2H-chromen-4-yl)oxy]-1,2-dimethyl-1H-benzimidazole-6-carboxylic acid (1.6 g, 4.2 mmol, STEP 2 of Example 19) and azetidine hydrochloride (0.79 g, 8.4 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-3f7b8caaea4f48d193e07f92e760fab5
Source noteuspto-grants-2010_05