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

J. Bransov√°, 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)

Sunday, February 28, 2021

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