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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 357194Generated: October 31, 2026

Hydrogen chloride-ethyl acetate → 5-Butylidene-3-[4-(imidazo[1,2-a]pyridin-8-yloxy)butyl]thiazolidine-2,4-dione hydrochloride

https://huagongshe.com/reaction/357194

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrogen chloride-ethyl acetateHCID 21866389—
Reactant5-Butylidene-3-[4-(imidazo[1,2-a]pyridin-8-yloxy)butyl]thiazolidine-2,4-dioneHCID 57205707—
SolventMethanolHCID 887—
Product5-Butylidene-3-[4-(imidazo[1,2-a]pyridin-8-yloxy)butyl]thiazolidine-2,4-dione hydrochlorideHCID 73472950—

Reaction Steps

To a methanol solution of 0.17 g (0.59 mmol) of 5-butylidene-3-[4-(imidazo[1,2-a]pyridin-8-yloxy)butyl]thiazolidine-2,4-dione, 0.13 ml of 4N hydrochloric acid-ethyl acetate was added, followed by stirring, after which the solvent was distilled off, to yield 0.19 g (84.8%, yellow oily substance) of the desired product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05840732
Source datasetuspto-grants-1998_11
ORD IDord-87d69b135224423ea731e66a93d493d9
Source noteuspto-grants-1998_11