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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1788514Generated: November 3, 2026

Potassium Hydroxide → 1-cyclohexyl-2-[2-(3-oxo-4H-1,4-benzoxazin-6-yl)-6-quinolyl]benzimidazole-5-carboxylic acid

https://huagongshe.com/reaction/1788514

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium HydroxideHCID 14797—
Reactant6-Acetyl-2H-1,4-benzoxazin-3(4H)-oneHCID 3641956—
Reactant2-[2-(5-Bromo-2-hydroxy-phenyl)-6-quinolyl]-1-cyclohexyl-benzimidazole-5-carboxylic acidHCID 5275980—
SolventEthanolHCID 702—
Product1-cyclohexyl-2-[2-(3-oxo-4H-1,4-benzoxazin-6-yl)-6-quinolyl]benzimidazole-5-carboxylic acidHCID 52760848%

Reaction Steps

Following the procedure and workup for Compound 354, Compound 354e (100 mg, 0.256 mmol) was reacted with 6-acetyl-4H-benzo[1,4]oxazin-3-one (0.256 mmol) in ethanol (2 mL) using 10% w/v KOH in ethanol (506 μL, 0.64 mmol) to produce the title compound (11 mg, 8% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07511145B2
Source datasetuspto-grants-2009_03
ORD IDord-ae0e10489fd54c2eb3daf138afefde83
Source noteuspto-grants-2009_03