Pyridine-2,3-dialdehyde

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Structural formula
Structural formula of pyridine-2,3-dialdehyde
General
Surname Pyridine-2,3-dialdehyde
other names
  • 2,3-pyridinedicaboxaldehyde
  • 2,3-pyridinedicarbaldehyde
  • Pyridine-2,3-dicarbaldehyde
  • Pyridine-2,3-dicarboxaldehyde
  • 2,3-diformylpyridine
  • Diformyl-2,3-pyridine
Molecular formula C 7 H 5 NO 2
External identifiers / databases
CAS number 4663-93-8
Wikidata Q1501184
properties
Molar mass 135.12 g mol −1
Physical state

firmly

Melting point

53 ° C

safety instructions
GHS hazard labeling
no classification available
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Pyridine-2,3-dialdehyde is a heterocyclic chemical compound which consists of a pyridine structure that has aldehyde functions in the 2- and 3-position .

presentation

Pyridine-2,3-dialdehyde can be produced by ozonolysis of quinoline .

Reactions

The dialdehyde can be converted oxidatively with hydrogen peroxide to quinolinic acid, which can then be decarboxylated to the industrially important nicotinic acid .

Production of nicotinic acid from pyridine-2,3-aldehyde

Individual evidence

  1. ↑ a b G. Queguiner, P. Pastour: Synthèse dans la série de la pyridine - I - Les diformylpyridines in: Bull. Soc. Chim. Fr. , 1968 , 10 , pp. 4117-4121.
  2. ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
  3. ↑ C. O'Murchu: Ozonolysis of Quinolines: A Versatile Synthesis of Polyfunctional Pyridines , in: Synthesis , 1989 , 11 , pp. 880-882; doi : 10.1055 / s-1989-27423 .
  4. ^ A. Streitwieser, CH Heathcock, EM Kosower: Organische Chemie , 2nd edition, Wiley-VCH, Weinheim 1994, ISBN 3-527-29005-2 , p. 1227.