Issue 1, 2014

Perfect encapsulation of a guanidinium ion in a helical trinickel(ii) metallocryptand for efficient regulation of the helix inversion rate

Abstract

Novel tris(salen)-type trinickel(II) metallocryptands, [LNi3] (L = L1, L2), were designed and synthesized. The metallocryptand [L2Ni3] perfectly encapsulated a guanidinium ion in the cavity. The resulting guanidinium complex underwent significantly slow helix inversion compared to the free [L2Ni3]; thus the helix inversion rate was efficiently regulated by guanidinium recognition.

Graphical abstract: Perfect encapsulation of a guanidinium ion in a helical trinickel(ii) metallocryptand for efficient regulation of the helix inversion rate

Supplementary files

Article information

Article type
Communication
Submitted
02 oct. 2013
Accepted
29 oct. 2013
First published
20 déc. 2013

Inorg. Chem. Front., 2014,1, 53-57

Perfect encapsulation of a guanidinium ion in a helical trinickel(II) metallocryptand for efficient regulation of the helix inversion rate

S. Akine, M. Miyashita, S. Piao and T. Nabeshima, Inorg. Chem. Front., 2014, 1, 53 DOI: 10.1039/C3QI00067B

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