Tetrahedron Letters p. 7433 - 7436 (1993)
Update date:2022-08-04
Topics:
Matsushita, Yoh-Ichi
Matsui, Takanao
Aminomethylation at the ortho position with respect to hydroxyl groups of calix[4]resorcinarenes, resorcinol-aldehyde cyclotetramers, was achieved by the Mannich reaction with formaldehyde and the appropriate amine in an alcoholic solution.
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