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Formation of Cyclic and Polymeric Structures from Zwitterions
Author(s) -
Komatsu Harunobu,
Oi Wataru,
Naritani Kazumasa,
Takaishi Kazuto,
Uchiyama Masanobu,
Muranaka Atsuya,
Maeda Hiromitsu
Publication year - 2013
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.201300704
Subject(s) - monomer , zwitterion , polymer , covalent bond , polymer chemistry , polymer science , chemistry , computer science , materials science , molecule , organic chemistry
Covalent linkages : Zwitterion‐based covalent linkages were observed in cyclic oligomers and in dispersed polymers based on monomers. Addition of acids and bases promoted transitions between monomeric species and the oligomeric and/or polymeric states. Exchange of constituent monomer units in the cyclic oligomers was observed in the solution state, whereas the polymers obtained as precipitates from CH 3 CN were not converted to the cyclic oligomers (see scheme).
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