Pillar[10]arene‐Based Size‐Selective Host–Guest Complexation and Its Application in Tuning the LCST Behavior of a Thermoresponsive Polymer | Zendy

Yu Guocan | Zendy; Zhou Jiong | Zendy; Chi Xiaodong | Zendy

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Pillar[10]arene‐Based Size‐Selective Host–Guest Complexation and Its Application in Tuning the LCST Behavior of a Thermoresponsive Polymer

Author(s) -

Yu Guocan,

Zhou Jiong,

Chi Xiaodong

Publication year - 2015

Publication title -

macromolecular rapid communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.348

H-Index - 154

eISSN - 1521-3927

pISSN - 1022-1336

DOI - 10.1002/marc.201400570

Subject(s) - lower critical solution temperature , stacking , copolymer , pillar , cooperativity , polymer chemistry , polymer , hydrophobic effect , chemistry , chemical engineering , materials science , organic chemistry , biochemistry , structural engineering , engineering

A new molecular recognition motif between a water soluble pillar[10]arene ( WP10 ) and 1,10‐phenanthrolinium guest ( G ) in water is established. Mainly driven by the cooperativity of multiple electrostatic interactions, hydrophobic interactions, and π–π stacking interactions between WP10 and G , this host–guest complex exhibits a high association constant in water, which is about 17 times higher than that between WP10 and paraquat ( PQ ). Furthermore, this size selective host–guest complexation is employed to tune the lower critical solution temperature behavior of a random copolymer with PQ derivative pendants.

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