Abstract
The Mannich reaction involving calyx[4]resorcinarenes, aminoacetals, and formaldehyde in the molar ratio 1:4:4 yields calixarenes containing aminoacetal fragments on the upper molecule rim. Four oxazinyl rings formed with the retention of acetal groups as the formaldehyde amount was twofold increased.
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Original Russian Text © L.I. Vagapova, A.R. Burilov, M.A. Pudovik, 2010, published in Zhurnal Obshchei Khimii, 2010, Vol. 80, No. 3, pp. 452–454.
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Vagapova, L.I., Burilov, A.R. & Pudovik, M.A. Mannich reaction involving calix[4]resorcinarenes and aminoacetals. Russ J Gen Chem 80, 475–477 (2010). https://doi.org/10.1134/S1070363210030187
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DOI: https://doi.org/10.1134/S1070363210030187