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Supramolecular Assembly of Tetramethylcucurbit[6]uril and 2-Picolylamine.
Fan, Ying; Cen, Ran; Shan, Peihui; Redshaw, Carl; Cong, Hang; Xiao, Xin; Ge, Qingmei.
Affiliation
  • Fan Y; Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Institute of Applied Chemistry, Guizhou University, Guiyang 550025, China.
  • Cen R; Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Institute of Applied Chemistry, Guizhou University, Guiyang 550025, China.
  • Shan P; Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Institute of Applied Chemistry, Guizhou University, Guiyang 550025, China.
  • Redshaw C; Department of Chemistry, University of Hull, Hull HU6 7RX, U.K.
  • Cong H; Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Institute of Applied Chemistry, Guizhou University, Guiyang 550025, China.
  • Xiao X; Enterprise Technology Center of Guizhou Province, Guizhou University, Guiyang 550025, China.
  • Ge Q; Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Institute of Applied Chemistry, Guizhou University, Guiyang 550025, China.
ACS Omega ; 8(11): 9919-9924, 2023 Mar 21.
Article in En | MEDLINE | ID: mdl-36969427
ABSTRACT
The supramolecular assembly of symmetrical tetramethylcucurbit[6]uril (TMeQ[6]) and 2-picolylamine (AMPy) has been investigated via various techniques, including ultraviolet-visible (UV-vis) and nuclear magnetic resonance spectroscopy, isothermal titration calorimetry (ITC), and X-ray crystallography. The results indicated that TMeQ[6] could encapsulate the AMPy guest molecule to form a stable inclusion complex. The rotational restriction of the guest in the cavity of TMeQ[6] resulted in a large negative value of entropy. The X-ray crystal structure of the 11 inclusion complex between TMeQ[6] and AMPy revealed that AMPy exists in the elliptical cavity of TMeQ[6].
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: ACS Omega Year: 2023 Document type: Article Affiliation country: China
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Add to My VHL
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: ACS Omega Year: 2023 Document type: Article Affiliation country: China