Cover Picture: A Convergent Route to Enantiomerically Pure Higher [n−2]Triangulanedimethanol Derivatives and [n]Triangulanes (n≥7) (Angew. Chem. Int. Ed. 47/2004)

✍ Scribed by Armin de Meijere; Alexander F. Khlebnikov; Sergei I. Kozhushkov; Kazutoshi Miyazawa; Daniel Frank; Peter R. Schreiner; B. Christopher Rinderspacher; Dmitrii S. Yufit; Judith A. K. Howard

• Publisher: John Wiley and Sons
• Year: 2004
• Tongue: English
• Weight: 63 KB
• Volume: 43
• Category: Article
• ISSN: 0044-8249
• DOI: 10.1002/anie.200490166

✦ Synopsis

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.