Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 981862Generated: October 31, 2026

2-Pyridinecarboxaldehyde → 2-[(2,4-Dimethyl-3-nitrophenylimino)-methylene]-pyridine

https://huagongshe.com/reaction/981862

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-PyridinecarboxaldehydeHCID 14273—
Reactant2,4-Dimethyl-3-nitroanilineHCID 13369963—
SolventEthanolHCID 702—
Product2-[(2,4-Dimethyl-3-nitrophenylimino)-methylene]-pyridineHCID 20068353—

Reaction Steps

3.3 g of 4-amino-2-nitro-m-xylene and 2.1 g of 2-pyridinealdehyde were dissolved in 50 ml ethanol and left to stand. Crystals slowly precipitated and were filtered off under suction and washed with ethanol. The dried product (3.0 g) had a melting point of 114° to 116° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04994087
Source datasetuspto-grants-1991_02
ORD IDord-2e72d61591314d2f90044a849a2c797c
Source noteuspto-grants-1991_02