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Molecular Trains: The Self‐Assembly and Dynamic Properties of Two New Catenaries
Author(s) -
Ashton Peter R.,
Brown Christopher L.,
Chrystal Ewan J. T.,
Parry Keith P.,
Pietraszkiewicz Marek,
Spencer Neil,
Stoddart J. Fraser
Publication year - 1991
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.199110421
Subject(s) - catenane , cyclophane , track (disk drive) , catenary , yield (engineering) , hydroquinone , train , computer science , physics , chemistry , crystallography , history , organic chemistry , quantum mechanics , archaeology , crystal structure , molecule , thermodynamics , operating system
The tetracationic cyclophane (the “train”) travels at high speed around the polyether macrocycle (the “track”) of the [2]catenane 1. The synthesis of the polyether macrocycle in a total yield of > 60% made possible the formation of 1 and of the analogous [3]catenane, in which the two smaller members of the chain are present on diametrically opposite hydroquinone rings according to the 1 H NMR spectrum. All that remains to be done is to introduce signals to direct the train.

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