The next higher homologue of hexamethylenetetramine was synthesized as the proton cryptate H+α1 · Br- (shown schematically), and its X-ray structure determined. The proton trapped by the lone pairs accumulated at the center of the T-symmetric tetraaza cage could not be exchanged or removed, even after heating for three days in 3 m NaOD.
|Number of pages||4|
|Journal||Angewandte Chemie - International Edition|
|Publication status||Published - Apr 1 1999|
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