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Rotaxanes Synthesized Through Sodium‐Ion‐Templated Clipping of Macrocycles Around Nonconjugated Amide and Urea Functionalities
Author(s) -
Ho TsungHsien,
Lai ChienChen,
Liu YiHung,
Peng ShieMing,
Chiu ShengHsien
Publication year - 2014
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201400323
Subject(s) - amide , urea , amine gas treating , ion , imine , diamine , chemistry , polymer chemistry , sodium , combinatorial chemistry , organic chemistry , catalysis
A single urea or amide functionality in a dumbbell‐shaped guest can be “clipped” by a macrocycle generated from a diamine and a dialdehyde through the templating effect of a Na + ion (see scheme). The resulting imine‐containing rotaxanes can then be reduced to allow isolation of stable amine‐based rotaxanes.