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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1945284Generated: November 1, 2026

Hydrochloric Acid → HCID 45256689, compound

https://huagongshe.com/reaction/1945284

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 68488820HCID 68488820—
SolventWaterHCID 962—
SolventMethanol--water (1/1)HCID 22242641—
ProductHCID 45256689HCID 45256689—

Reaction Conditions

Temperature70 °C

Reaction Steps

To a solution of methyl 5-[(5-biphenyl-4-yl-6-chloro-1H-benzimidazol-2-yl)oxy]-2-methylbenzoate (11 g, 23.46 mmol) in MeOH/water (1:1) (250 mL) was added NaOH (5 M in water) (23.46 mL, 117 mmol). The mixture was heated at 70° C. for 1 h. The mixture was then cooled, diluted with water and acidified with 2 M aqueous HCl. The precipitated white solid was filtered and dried to afford the title compound as a white powder. LCMS: calculated for C27H19ClN2O3 454.90, observed m/e 455.5 (M+H)+ (Rt 2.27/4 min). 1H NMR (500 MHz, CD3OD): δ 7.98-7.35 (m, 14H), 2.62 (s, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08394969B2
Source datasetuspto-grants-2013_03
ORD IDord-ca42dde5bc554eee9cce60e9383eb543
Source noteuspto-grants-2013_03