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Issue 7, 2011
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New perspectives for “non-classical” molecules: heavy [1.1.1]propellanes of group 14

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Heavy analogues of hydrocarbons intrigue chemists for a number of reasons, not least because they are often fundamentally different from their carbon counterparts and have remained a challenge for both experimentalists and theoreticians for a long time. The appealing properties of [1.1.1]propellanes of group 14 consisting of inverted tetrahedral bridgehead atoms can mainly be attributed to the particular bonding between the latter. More than 20 years after the first member of this family has been published, several contributions to this area have impressively extended the spectrum of these so-called main-group biradicaloids. Still in its infancy, further perspectives for these “non-classical” molecules are now arising. In this tutorial review, early findings and recent developments in this area are presented. Particular attention is drawn on the relationship of unusual structures and unusual reactivities of main-group element compounds in general and in particular of heavy propellane scaffolds of group 14.

Graphical abstract: New perspectives for “non-classical” molecules: heavy [1.1.1]propellanes of group 14

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Article information

13 Dec 2010
First published
22 Mar 2011

Chem. Soc. Rev., 2011,40, 3455-3466
Article type
Tutorial Review

New perspectives for “non-classical” molecules: heavy [1.1.1]propellanes of group 14

D. Nied and F. Breher, Chem. Soc. Rev., 2011, 40, 3455
DOI: 10.1039/C0CS00210K

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