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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1493702Generated: October 31, 2026

Hydrazinecarboxylic acid, ethyl ester → HCID 4179285, compound

https://huagongshe.com/reaction/1493702

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazinecarboxylic acid, ethyl esterHCID 20064—
Reactant4-BenzoylpyridineHCID 26731—
SolventAcetic AcidHCID 176—
ProductHCID 4179285HCID 417928542.8%

Reaction Conditions

Temperature100 °C

Reaction Steps

A mixture of 9.16 gm (0.05 mole) of phenyl 4-pyridyl ketone, 5.21 gm (0.05 mole) of ethylcarbazate and 75 ml of glacial acetic acid is heated at 100° C. for 8 hr. The acetic acid is removed in vacuo. The residue is slurried with ethyl ether and collected to yield 5.76 gm (39%) of the title compound having a melting point of 188.7° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05023334
Source datasetuspto-grants-1991_06
ORD IDord-974284088fd24d11960c0dcfabfea584
Source noteuspto-grants-1991_06