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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1751185Generated: October 28, 2026

Diisopropylethylamine → HCID 53250184, compound

https://huagongshe.com/reaction/1751185

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
Reactant1-(p-Tolyl)piperazineHCID 83113—
ReactantHCID 58312892HCID 58312892—
SolventDimethyl SulfoxideHCID 679—
ProductHCID 53250184HCID 53250184—

Reaction Conditions

Temperature110 °C

Reaction Steps

An 8 mL round bottomed vial was charged with 1-(p-tolyl)piperazine (56 mg, 0.318 mmol, 1 equiv.) and DMSO (1 mL, 0.3 M), DiPEA (105 μL, 0.636 mmol, 2 equiv.), (Z)-5-((6-bromopyridin-2-yl)methylene)thiazolidine-2,4-dione (91 mg, 0.318 mmol, 1 equiv.), and the vial was purged with argon. The mixture was shaken for 48 h at 110° C. The reaction mixture was then partitioned between CH2Cl2 (10 mL) and sat. NaCl (20 mL). The aqueous layer was back extracted with CH2Cl2 (2×15 mL) and the combined organic layer was dried over xxx and concentrated under reduced pressure to provide an orange residue. The orange residue was triturated with ether (3×15 mL) to provide (Z)-5-((6-(4-(p-tolyl)piperazin-1-yl)pyridin-2-yl)methylene)thiazolidine-2,4-dione as an orange solid (65 mg, 122 mg theoretical, 53%). LC-MS m/z: 382 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09157077B2
Source datasetuspto-grants-2015_10
ORD IDord-8b7fc10d02f046328bf96a19680257c2
Source noteuspto-grants-2015_10