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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1869609Generated: November 1, 2026

Benzimidazole → HCID 178495389, compound

https://huagongshe.com/reaction/1869609

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzimidazoleHCID 5798—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 178495390HCID 178495390—
SolventAmmoniaHCID 222—
SolventEthyl AcetateHCID 8857—
ProductHCID 178495389HCID 178495389—
ProductHCID 178495390HCID 178495390—

Reaction Steps

PCT Application PCT/GB2004/000064 and International Publication Number WO 2004/063188 A1, discloses the preparation of rabeprazole and benzimidazole type of compounds. Accordingly, rabeprazole base is prepared by oxidation using sodium hypohalites and isolated. Rabeprazole sodium is prepared by dissolving rabeprazole base in ethylacetate and methanolic ammonia mixture to which methanolic sodium hydroxide is added. The solvent is distilled and rabeprazole sodium is isolated from ethylacetate and n-heptane/n-hexane mixture.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07638633B2
Source datasetuspto-grants-2009_12
ORD IDord-01389cdce6cb4e38ac51b1c46ea960b8
Source noteuspto-grants-2009_12