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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 501457Generated: October 30, 2026

4-Pyridinecarboxaldehyde → HCID 136059627, compound

https://huagongshe.com/reaction/501457

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-PyridinecarboxaldehydeHCID 13389—
Reactant4,5-Diamino-2-methylpyridazin-3(2H)-oneHCID 12727261—
SolventNitrobenzeneHCID 7416—
ProductHCID 136059627HCID 13605962742%

Reaction Conditions

Temperature190 °C

Reaction Steps

0.560 g of 4,5-diamino-2-methyl-2H-pyridazin-3-one and 0.535 g of 4-pyridinecarbaldehyde were added to 10 ml of nitrobenzene, and the mixture was heated at 190° C. under a nitrogen atmosphere for three hours. The reaction solution was cooled down, and the precipitate was collected by filtration to give 0.381 g of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07772226B2
Source datasetuspto-grants-2010_08
ORD IDord-4d8f31411cdd4040a7147e2c401d4e14
Source noteuspto-grants-2010_08