Yamamura, S Reactions of 4-methoxy-2-oxopyran-6-ylacetic acid with acid anhydrides. [electronic resource] - Journal of the Chemical Society. Perkin transactions 1 1969 - 2461-4 p. digital Publication Type: Journal Article ISSN: 0300-922X Standard No.: 10.1039/j39690002461 doi Subjects--Topical Terms: AcetatesAnhydridesChemical PhenomenaChemistryEthersInfrared RaysLactonesPyransSpectrum Analysis