A macrocyclic diurea derived from diphenylether

作者：Meshcheryakov Denys; Bolte Michael; Boehmer Volker

来源：Tetrahedron Letters, 2010, 51(8): 1202-1204.

DOI：10.1016/j.tetlet.2009.12.087

A new 16-membered cyclic diurea was synthesized and tested as potential receptor for fluoride, H-1 and F-19 NMR spectroscopy revealed an unexpected deprotonation of both urea groups after initial 1: 1 binding. A single crystal X-ray structure shows bifurcated hydrogen bonds to two DMSO molecules.

• 出版日期2010-2-24