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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2372202Generated: October 26, 2026

Diazomethane → Methyl 2-acetylnicotinate 4-phenylsemicarbazone

https://huagongshe.com/reaction/2372202

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiazomethaneHCID 9550—
ReactantHCID 178467405HCID 178467405—
SolventMethanolHCID 887—
ProductMethyl 2-acetylnicotinate 4-phenylsemicarbazoneHCID 67895943—

Reaction Steps

A suspension of 2-acetylnicotinic acid 4-phenylsemicarbazone (compound 1) (0.50 g) in 20 ml of methanol is treated with diazomethane until the yellow color of the solution persists. The solvent is removed in vacuo to give methyl 2-acetylnicotinate 4-phenylsemicarbazone, m.p. 177°-178° (compound 53, Table C).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05098466
Source datasetuspto-grants-1992_03
ORD IDord-249d3d81744f440e81021dd9abbbc4bc
Source noteuspto-grants-1992_03