A Stable Heterocyclic Amino(phosphanylidene-σ4-phosphorane) Germylene

A new stable heterocyclic germylene, in which the divalent germanium atom lies between a nitrogen atom and a phosphanylidene phosphorane group, was synthesized. Experimental and theoretical studies revealed the peculiar effect of phosphanylidene phosphorane substituent, which is a stronger π‐donor t...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2016-04, Vol.55 (15), p.4753-4758
Main Authors: Del Rio, Natalia, Baceiredo, Antoine, Saffon-Merceron, Nathalie, Hashizume, Daisuke, Lutters, Dennis, Müller, Thomas, Kato, Tsuyoshi
Format: Article
Language:English
Subjects:
Germanium
main-group elements
multiple bonds
Nitrogen
Phosphorus
small-ring compounds
structure elucidation
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Summary:A new stable heterocyclic germylene, in which the divalent germanium atom lies between a nitrogen atom and a phosphanylidene phosphorane group, was synthesized. Experimental and theoretical studies revealed the peculiar effect of phosphanylidene phosphorane substituent, which is a stronger π‐donor towards germanium than an amino group is. Because of the weak phosphorus–germanium π‐bond, this new germylene compound shows an enhanced reactivity compared to classical N‐heterocyclic germylenes. ‘Germs’ of a different type: A stable heterocyclic germylene, in which the divalent germanium atom lies between a nitrogen atom and a phosphanylidene phosphorane group, was synthesized. Experimental and theoretical studies revealed the peculiar effect of the phosphanylidene phosphorane substituent, which presents π‐donor abilities stronger than that of amino groups.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201511956