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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2309906Generated: October 31, 2026

HCID 20184509, compound → HCID 20184521, compound

https://huagongshe.com/reaction/2309906

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHCID 20184509HCID 20184509—
SolventHydrochloric AcidHCID 313—
ProductHCID 20184521HCID 20184521—

Reaction Conditions

Temperature80 °C

Reaction Steps

Five grams (13.3 mmol) of 5-acetamino-2-(2'-methoxy-4'-methanesulfonyloxy-phenyl)-benzimidazole were suspended in 150 ml of concentrated hydrochloric acid and stirred at 80° C. for two hours. After cooling, the crude product precipitated was subjected to suction filtration and chromatographed on 500 gm of aluminium oxide (neutral) (eluant: methylene chloride with 2.5% ethanol).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04696931
Source datasetuspto-grants-1987_09
ORD IDord-4710495d79344d1583bc71cc402bb8cd
Source noteuspto-grants-1987_09