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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2119922Generated: October 31, 2026

Thiazolidinedione → 5-(4-[2-(N-Methyl-N-(2-pyrimidinyl)amino)ethoxy]benzylidene)-2,4-thiazolidinedione

https://huagongshe.com/reaction/2119922

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThiazolidinedioneHCID 5437—
ReactantPiperidinium acetateHCID 3014295—
Reactant4-[2-(N-Methyl-N-(2-pyrimidinyl)amino)ethoxy]-benzaldehydeHCID 10038089—
SolventTolueneHCID 1140—
Product5-(4-[2-(N-Methyl-N-(2-pyrimidinyl)amino)ethoxy]benzylidene)-2,4-thiazolidinedioneHCID 54227469—

Reaction Steps

A solution of 4-[2-(N-methyl-N-(2-pyrimidinyl)amino)ethoxy]benzaldehyde (1.7 g) and 2,4-thiazolidinedione (0.7 g) in toluene (100 ml) containing a catalytic quantity of piperidinium acetate was boiled under reflux in a Dean and Stark apparatus for 2 hours. The mixture was cooled and filtered to give the title compound (mp 189-90° C.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06686475B2
Source datasetuspto-grants-2004_02
ORD IDord-f0ed249f8eaf4c55867c61264a83e403
Source noteuspto-grants-2004_02