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Isolation of Labile Pseudohalogen NSO Species
Author(s) -
Labbow René,
Michalik Dirk,
Reiß Fabian,
Schulz Axel,
Villinger Alexander
Publication year - 2016
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.201601878
Subject(s) - chemistry , adduct , lewis acids and bases , salt (chemistry) , ion , stereochemistry , polymer chemistry , organic chemistry , catalysis
A new synthetic approach enabled the generation of highly labile thionylimide, H−NSO, which was trapped by adduct formation with the bulky Lewis acid B(C 6 F 5 ) 3 and fully characterized. For comparison, a series of different Me 3 Si−NSO Lewis acid adducts were studied. Treatment of Me 3 Si−NSO with the silylium ion [Me 3 Si] + led to the formation of the hitherto unknown iminosulfonium ion [Me 3 Si−N=S−O−SiMe 3 ] + , which could be isolated and fully characterized as a salt in the presence of weakly coordinating carborate anions.
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