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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1087413Generated: October 28, 2026

Pyridine → HCID 72731612, compound

https://huagongshe.com/reaction/1087413

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridineHCID 1049—
ReactantDarglitazoneHCID 60870—
ReactantHydroxyamine hydrochlorideHCID 443297—
SolventEthanolHCID 702—
SolventEthyl AcetateHCID 8857—
ProductHCID 72731612HCID 7273161283%

Reaction Steps

Title product of Example 9 (0.10 g, 0.238 mmol), hydroxylamine hydrochloride (0.041 g, 0.595 mmol) and 2 mL of pyridine were combined in 3 mL of ethanol and the mixture stirred 18 hours at room temperature, then stripped of solvent and the residue taken up in 7.5 mL ethyl acetate, washed with 5 mL of cold 18% HCl and then 5 mL brine, dried (MgSO4) and stripped to yield 0.086 g of present title product as a white solid; mp 202°-205° C.; tlc Rf 0.53 (1:1 hexane:ethyl acetate).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05036079
Source datasetuspto-grants-1991_07
ORD IDord-4b8e41cd568a4108ae8f44ec9a93a01f
Source noteuspto-grants-1991_07