Low‐Valent Silicon Cations with Two‐Coordinate Silicon and Aromatic Character | Zendy

Driess Matthias | Zendy; Yao Shenglai | Zendy; Brym Markus | Zendy; van Wüllen Christoph | Zendy

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Low‐Valent Silicon Cations with Two‐Coordinate Silicon and Aromatic Character

Author(s) -

Driess Matthias,

Yao Shenglai,

Brym Markus,

van Wüllen Christoph

Publication year - 2006

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.200602327

Subject(s) - silylene , zwitterion , electrophile , silicon , chemistry , character (mathematics) , ion , medicinal chemistry , computational chemistry , photochemistry , organic chemistry , catalysis , molecule , geometry , mathematics

Desperately seeking silyenylium : Electrophilic attack of silylene 1 (R=2,6‐diisopropylphenyl) by B(C 6 F 5 ) 3 and H + afforded the silylene‐like zwitterion 2 and the “free” silyliumylidene cation 3 (in the presence of the noncoordinating [B(C 6 F 5 ) 4 ] − anion), respectively. Cations 2 and 3 represent a novel class of low‐coordinate silicon cations with promising potential for the synthesis of heteroleptic silylenes.

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