Abstract
The mono- and diimine products from the condensation of 3-formyl-4-hydroxycoumarin and various diamines were synthesized. It was shown by 1 H NMR and mass spectrometry that the obtained compounds in DMSO-d 6 solution and in gas phase exist in the E- and Z-keto-enamine forms. Authors: B. G. Milevskii, T. A. Chibisova, N. P. Solov'eva, O. S. Anisimova, V. S. Lebedev, I. V. Ivanov, and V. F. Traven English Translation in Chemistry of Heterocyclic Compounds, 2013, 48 (12), pp 1781-1792 http://link.springer.com/article/10.1007/s10593-013-1209-1
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