Brusilowskij Boris, Neubacher Saskia, Schalley Christoph A
Institut für Chemie und Biochemie der Freien Universität, Takustr. 3, D-14195 Berlin, Germany.
Chem Commun (Camb). 2009 Feb 21(7):785-7. doi: 10.1039/b819412b. Epub 2009 Jan 14.
When isolated in the high vacuum of an ESI-FTICR mass spectrometer, bowl-shaped metallo-supramolecular M(6)L(4) assemblies undergo a surprising and mechanistically interesting intramolecular double cage contraction to yield smaller M(3)L(2) cages.