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Synthesis and Structure of a Base‐Stabilized C ‐Phosphino‐ Si ‐Amino Silyne
Author(s) -
Gau David,
Kato Tsuyoshi,
SaffonMerceron Nathalie,
De Cózar Abel,
Cossío Fernando P.,
Baceiredo Antoine
Publication year - 2010
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201003616
Subject(s) - phosphonium , phosphine , ylide , substituent , chemistry , ligand (biochemistry) , fragment (logic) , stereochemistry , crystallography , computer science , polymer chemistry , organic chemistry , programming language , catalysis , biochemistry , receptor
A silyne seeker : The synthesis of the first isolable silyne, which is stabilized by a phosphine ligand, has been achieved (see picture). An X‐ray diffraction study reveals a very short silicon–carbon bond, as predicted computationally for SiC bonds. This species has a certain degree of carbenic character, and this result shows that the phosphonium sila‐ylide fragment acts as a strong π‐donating and π‐accepting substituent.
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