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제126회 대한화학회 학술발표회 및 총회 The control of hydrophobicity upon the uptake of the surfactant into the supramolecular inner cavity

등록일
2020년 9월 17일 14시 36분 56초
접수번호
1145
발표코드
INOR.P-171 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 21일(수) 17:30~18:00
발표형식
포스터
발표분야
Inorganic Chemistry
저자 및
공동저자
Haeri Lee*, Ok-Sang Jung1
Department of Chemistry, Hannam University, Korea
1Department of Chemistry, Pusan National University, Korea
The purpose of the construction of a flexible supramolecular frame is for the use of their inner cavity as a selective molecular recognition for molecular storage and a delivery system. The skeletal structures of supramolecular coordination compounds constructed via metal-mediated self-assembly can interact with guest molecules by weak interactions such as electrostatic attractions, van der Waal interactions, and hydrogen bonds. The main driving force for the formation of host-guest complexed bound between charged hosts and charged guests is electrostatic attractions. Herein, we present an unprecedented novel approach to the control of the uptake of alkyl sulfate surfactants based on flexible host–guest interaction between alkyl sulfates and large coordination cages. For the aggregates encapsulated via hydrogen bonds between sulfate groups and cage skeletons, the contact angles were measured according to the length of the alkyl sulfates. Electrostatic interaction between Pd2+···-OSO3R (R=ethyl, octyl, decyl, dodecyl, tetradecyl) (3.92(1)–4.23(2) Å) forced to face each other inside cage.

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