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Supramolecular Complexes of Flexible, Extended Cavity Calix[4]arenes—Structural Characterization of a Molecular Venus Flytrap
Author(s) -
Atwood Jerry L.,
Orr G. William,
Bott Simon G.,
Robinson Kerry D.
Publication year - 1993
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199310931
Subject(s) - supramolecular chemistry , calixarene , chemistry , salt (chemistry) , venus , crystallography , stereochemistry , molecule , organic chemistry , biology , crystal structure , astrobiology
Depending on the size of the guest , the calix[4]arene 1 provides either a shallow or a deep narrow cavity. Already during its synthesis, 1 binds N ‐(2‐hydroxyethyl)‐ N ′‐methylpiperazine in a large shallow cavity. The sodium salt 2 binds CH 3 CO 2 Et in a deep cavity.