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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1788525Generated: October 27, 2026

Potassium Hydroxide → 1-Cyclohexyl-2-[2-(2-hydroxy-5-methyl-3-nitro-phenyl)-6-quinolyl]benzimidazole-5-carboxylic acid

https://huagongshe.com/reaction/1788525

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium HydroxideHCID 14797—
Reactant2'-Hydroxy-5'-methyl-3'-nitroacetophenoneHCID 736162—
Reactant2-[2-(5-Bromo-2-hydroxy-phenyl)-6-quinolyl]-1-cyclohexyl-benzimidazole-5-carboxylic acidHCID 5275980—
SolventEthanolHCID 702—
Product1-Cyclohexyl-2-[2-(2-hydroxy-5-methyl-3-nitro-phenyl)-6-quinolyl]benzimidazole-5-carboxylic acidHCID 527603831%

Reaction Steps

Following the procedure and workup for Compound 354, Compound 354e (100 mg, 0.256 mmol) was reacted with 1-(2-hydroxy-5-methyl-3-nitro-phenyl)-ethanone (0.256 mmol) in ethanol (2 mL) using 10% w/v KOH in ethanol (506 μL, 0.64 mmol) to produce the title compound (40 mg, 31% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07511145B2
Source datasetuspto-grants-2009_03
ORD IDord-fb25cede22a5439ebe3be42255bb5afb
Source noteuspto-grants-2009_03