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Cover Picture: A Convergent Route to Enantiomerically Pure Higher [ n −2]Triangulanedimethanol Derivatives and [ n ]Triangulanes ( n ≥7) (Angew. Chem. Int. Ed. 47/2004)
Author(s) -
de Meijere Armin,
Khlebnikov Alexander F.,
Kozhushkov Sergei I.,
Miyazawa Kazutoshi,
Frank Daniel,
Schreiner Peter R.,
Rinderspacher B. Christopher,
Yufit Dmitrii S.,
Howard Judith A. K.
Publication year - 2004
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200490166
Subject(s) - supramolecular chemistry , cover (algebra) , helix (gastropod) , hydrogen bond , chemistry , molecule , int , crystallography , cover story , double bond , terminal (telecommunication) , stereochemistry , computer science , polymer chemistry , crystal structure , organic chemistry , engineering , ecology , snail , biology , telecommunications , mechanical engineering , operating system
The rigid helical frameworks of the molecules of ( M )‐(−)‐[7]triangulane‐1,9‐dimethanol associate through hydrogen bonds between their terminal hydroxy groups in supramolecular helices, two of which form a supramolecular double helix. In the cover picture, this is compared with the design by Leonardo da Vinci of a double‐spiral staircase. The hydrocarbon ( M )‐(−)‐[9]triangulane does not organize itself as a supramolecular double helix. For more information see the Communication by de Meijere et al. on page 6553 ff. The cover picture was created by Dipl.‐Chem. Heiko Schill.