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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2081878Generated: October 25, 2026

4-(2-Thienyl)butanoic acid methyl ester → 4-[[2-butyl-5-[(E)-2-carboxy-4-thiophen-2-ylbut-1-enyl]imidazol-1-yl]methyl]benzoic acid

https://huagongshe.com/reaction/2081878

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-(2-Thienyl)butanoic acid methyl esterHCID 140766—
Reactant1-methyl-1H-imidazole-5-carbaldehydeHCID 573592—
ReactantMethyl 3-(4-pyridyl)propanoateHCID 3704115—
Reactant3-[2-Butyl-3-(2-chloro-benzyl)-3H-imidazol-4-yl]-2-thiophen-2-ylmethyl-acrylic acidHCID 10047444—
Reactant1H-Imidazole-5-carboxaldehyde, 2-butyl-1-[(2-chlorophenyl)methyl]-HCID 10107530—
Product4-[[2-butyl-5-[(E)-2-carboxy-4-thiophen-2-ylbut-1-enyl]imidazol-1-yl]methyl]benzoic acidHCID 14952960—

Reaction Steps

The title compound was prepared following the procedure of Example 20 replacing methyl 3-(4-pyridyl)propanoate with methyl 4-(2-thienyl)butanoate and 2-n-butyl-1-(2-chlorophenyl)methyl-1H-imidazol-5-carboxaldehyde with 2-n-butyl-1-)4-carbomethoxyphenyl)methyl-1H-imidazol-5-carboxaldehyde; mp 244°-246° C. (d).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05185351
Source datasetuspto-grants-1993_02
ORD IDord-be4cd52926ba466fbc598ef1afc1077c
Source noteuspto-grants-1993_02