1D and 2D NMR Investigations of the Jump Mechanism of Co  II   Ions in [12]Crown‐4 Stacks | Zendy

Dickert Franz L. | Zendy; Gmeiner Wolfgang | Zendy; Gumbrecht Walter | Zendy; Meissner Harald | Zendy

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1D and 2D NMR Investigations of the Jump Mechanism of Co II Ions in [12]Crown‐4 Stacks

Author(s) -

Dickert Franz L.,

Gmeiner Wolfgang,

Gumbrecht Walter,

Meissner Harald

Publication year - 1987

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.198702281

Subject(s) - ion , molecule , mechanism (biology) , chemistry , chemical physics , jump , ligand (biochemistry) , crystallography , physics , organic chemistry , biochemistry , receptor , quantum mechanics

Aggregation of free [12]crown‐4 molecules with the Co 2⊖ ‐complex 1 of this ligand leads to formation of the stacks illustrated on the right, through which the Co 2⊙ ions can move. Dynamic NMR‐ and 2D‐ 1 H‐exchange NMR‐measurements suggest a jump mechanism, reminiscent of the mechanism of ion transfer through biomembranes.

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