ISSN print edition: 0366-6352 ISSN electronic edition: 1336-9075 Registr. No.: MK SR 9/7 Published monthly

Preparation of 5-Substituted 4-Oxo-4H-pyran-2-carbaldehydes and Their Condensation Reactions

J. Bransová, M. Uher, and J. Brtko

lnstitute of Experimental Endocrinology, Slovak Academy of Sciences, SK-833 06 Bratislava

Abstract: Primary alcohol group oxidation in position 2 of kojic acid molecule (5-hydroxy-2-hydroxymethyl-4H-pyran-4-one) to the corresponding aldehyde is described and a number of condensation reactions of 5-substituted kojic acid aldehyde (comenic aldehyde) with different agents is given.

Full paper in Portable Document Format: 475a316.pdf

Chemical Papers 47 (5) 316–319 (1993)