Helvetica Chimica Acta p. 2263 - 2273 (1993)
Update date:2022-08-22
Topics:
Bernauer, Klaus
Chuard, Thierry
Stoeckli-Evans, Helen
The three new optically active triamines derived from 2,6-bis(aminomethyl)pyridine, i.e. 2,6-bis1<<(2S)-2-(hydroxymethyl)pyrrolidin-1-yl>melhyl>pyridine (3a), 2,6-bis<<(2S)-2-(methoxymethyl)pyrrdlidin-1-yl>methyl>-pyridine (3b), and 2,6-bis<<(2S)-2-<(benzyloxy)methyl>pyrrolidin-1-yl>methyl>pyridine (3c), were synthesized.The equilibrium behaviour in solution and Cu(II) complex formation were studied by acidimetric titration and by UV/VIS and CD measurements.It was found that in aqueous solution, 3a can coordinate one of the CH2OH groups to Cu(II) upon deprotonation.X-Ray crystal structures were determined for the complexes
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