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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1595507Generated: November 4, 2026

Hantzsch ester → HCID 21705023, compound

https://huagongshe.com/reaction/1595507

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHantzsch esterHCID 70849—
ReactantHCID 53906345HCID 53906345—
ProductHCID 21705023HCID 2170502351%

Reaction Conditions

Temperature150 °C

Reaction Steps

1.63 g (3.2 mmole) 5-(4-[2-(2 methanesulfonyloxyphenyl)ethoxy]benzylidene)thiazolidine-2,4-dione and 1.23 g (4.8 mmole) diethyl-1,4-dihydro-2,6-dimethyl-3,5-pyridine dicarboxylate was mixed and heated to 150° C. and kept at this temperature for 1 hour. The reaction mixture was cooled and purified by chromatography on silica gel using ethyl acetate:petroleum ether (1:2) as eluent to give 0.684 g (yield 51%) of the desired product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06288096B1
Source datasetuspto-grants-2001_09
ORD IDord-a101677fa571469fa715450a8213468c
Source noteuspto-grants-2001_09