Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 382565Generated: October 30, 2026

Oxalic Acid → HCID 22736741, compound

https://huagongshe.com/reaction/382565

Reaction equation

Participants

RoleNameHCIDCharge
ReactantOxalic AcidHCID 971—
ReactantHCID 22736664HCID 22736664—
ReactantHCID 86594300HCID 86594300—
SolventEthyl AcetateHCID 8857—
ProductHCID 22736741HCID 22736741—

Reaction Steps

Free base of the titled compound was prepared from (E)-5-methoxy-1-(2-pyridyl)-2-styryl-1H-benzimidazole according to the preparation of (E)-2-(3-Hydroxystyryl)-1-(2-pyridyl)-2-styryl-5-trifluoromethyl-1H-benzimidazole (Example 32). The free base and oxalic acid were dissolved into ethyl acetate. Concentration and recrystallization from ethyl acetate/n-hexane yielded the titled compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06310079B1
Source datasetuspto-grants-2001_10
ORD IDord-e57ac665456541509d795e76024dea71
Source noteuspto-grants-2001_10