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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2202973Generated: October 31, 2026

CO2 EtOH CH3CN → 4-((4-Chlorobenzyl)oxy)-1-(2-((1R*,2S*)-2-(2-hydroxypropan-2-yl)cyclopropyl)-1-methyl-1H-benzimidazol-6-yl)pyridin-2(1H)-one

https://huagongshe.com/reaction/2202973

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCO2 EtOH CH3CNHCID 87190995—
ReactantHCID 89691107HCID 89691107—
Product4-((4-Chlorobenzyl)oxy)-1-(2-((1R*,2S*)-2-(2-hydroxypropan-2-yl)cyclopropyl)-1-methyl-1H-benzimidazol-6-yl)pyridin-2(1H)-oneHCID 12138622432.5%

Reaction Steps

(1RS,2SR)-4-((4-Chlorobenzyl)oxy)-1-(2-(2-(2-hydroxypropan-2-yl)cyclopropyl)-1-methyl-1H-benzimidazol-6-yl)pyridin-2(1H)-one (0.830 g) was resolved by a preparative SFC (CHIRALPAK AYH, CO2/EtOH/CH3CN=600/200/200) to give a white solid (355 mg, >99% ee). This solid was recrystallized from IPA to give the title compound (270 mg) as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09365540B2
Source datasetuspto-grants-2016_06
ORD IDord-14a8493b09fb47f3954dfb525c1bb722
Source noteuspto-grants-2016_06