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A Self‐Assembled Calix[4]arene Dimer Linked through Hydrogen‐Bonded 2‐Ureidopyrimidin‐4(1 H )‐one Groups
Author(s) -
González Juan J.,
Prados Pilar,
de Mendoza Javier
Publication year - 1999
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/(sici)1521-3773(19990215)38:4<525::aid-anie525>3.0.co;2-b
Subject(s) - dimer , hydrogen bond , chloroform , calixarene , chemistry , self assembly , hydrogen , polymer chemistry , crystallography , stereochemistry , molecule , organic chemistry
Tightly linked! A linear array of complementary hydrogen bonds forms between two 2‐ureidopyrimidin‐4(1 H )‐one rings attached to the upper rims of facing 1,3‐ alternate calix[4]arenes (shown schematically). The strength of the binding ( K ass >10 6 M −1 in chloroform) and the efficiency of the self‐assembly open up interesting perspectives in the design of highly ordered multicomponent cages.