2,6-Diformylpyridine

2,6-Diformylpyridine is an organic compound with the formula C₅H₃N(CHO)₂. The molecule features formyl groups adjacent to the nitrogen of pyridine. The compound is prepared by oxidation of 2,6-dimethylpyridine.[1]

2,6-Diformylpyridine

Names
IUPAC name pyridine-2,6-dicarbaldehyde
Other names 2,6-Pyridinedialdehyde
Identifiers
CAS Number	5431-44-7
3D model (JSmol)	Interactive image
ChemSpider	71798
ECHA InfoCard	100.024.172
EC Number	226-589-6
PubChem CID	79485
CompTox Dashboard (EPA)	DTXSID80202681
InChI InChI=1S/C7H5NO2/c9-4-6-2-1-3-7(5-10)8-6/h1-5H Key: PMWXGSWIOOVHEQ-UHFFFAOYSA-N
SMILES C1=CC(=NC(=C1)C=O)C=O
Properties
Appearance	white solid
Melting point	124 °C (255 °F; 397 K)
Hazards
GHS pictograms
GHS Signal word	Warning
GHS hazard statements	H315, H319, H335
GHS precautionary statements	P261, P264, P271, P280, P302+352, P304+340, P305+351+338, P312, P321, P332+313, P337+313, P362, P403+233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

It condenses with amines to give diiminopyridine ligands.[2][3]

References

1. Forni, Lucio; Casalone, Gianluigi (1987). "Vapour Phase Oxidation of 2,6-Lutidine to 2,6-Pyridinedicarboxaldehyde. III: Kinetic Study". Applied Catalysis. 34: 317–328. doi:10.1016/S0166-9834(00)82465-3.
2. Britovsek, George J. P.; Bruce, Michael; Gibson, Vernon C.; Kimberley, Brian S.; Maddox, Peter J.; Mastroianni, Sergio; McTavish, Stuart J.; Redshaw, Carl; Solan, Gregory A.; Strömberg, Staffan; White, Andrew J. P.; Williams, David J. (1999). "Iron and Cobalt Ethylene Polymerization Catalysts Bearing 2,6-Bis(Imino)Pyridyl Ligands: Synthesis, Structures, and Polymerization Studies". Journal of the American Chemical Society. 121 (38): 8728–8740. doi:10.1021/ja990449w.
3. Chichak, K. S. (2004). "Molecular Borromean Rings" (PDF). Science. 304 (5675): 1308–1312. doi:10.1126/science.1096914. PMID 15166376. S2CID 45191675.