Bis[tris(trimethylsilyl)methyl]diselenid: Ein ungewöhnliches Dichalkogenid mit sterisch erzwungener  trans‐C 2h  ‐Konformation | Zendy

Wagner Irle | Zendy; Du Mont WolfWalther | Zendy; Pohl Siegfried | Zendy; Saak Wolfgang | Zendy

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Bis[tris(trimethylsilyl)methyl]diselenid: Ein ungewöhnliches Dichalkogenid mit sterisch erzwungener trans‐C 2h ‐Konformation

Author(s) -

Wagner Irle,

Du Mont WolfWalther,

Pohl Siegfried,

Saak Wolfgang

Publication year - 1990

Publication title -

chemische berichte

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.667

H-Index - 136

eISSN - 1099-0682

pISSN - 0009-2940

DOI - 10.1002/cber.19901231215

Subject(s) - trimethylsilyl , chemistry , tris , moiety , steric effects , stereochemistry , alkane stereochemistry , nuclear magnetic resonance spectroscopy , medicinal chemistry , molecule , organic chemistry , biochemistry

Bis[tris(trimethylsilyl)methyl] Diselenide: An Unusual Diselenide with Sterically Enforced trans‐C 2h Conformation Deselenation of bis[tris(trimethylsilyl)methyl] triselenide ( 1 ) with copper occurs with formation of bis[tris(trimethylsilyl)‐methyl] diselenide ( 2 ) and minor amounts of 3,3,5,5‐tetrakis(trimethylsilyl)‐1,2,4‐triselenolane ( 3 ). The structures of 2 and 3 have been studied by multinuclear NMR spectroscopy and by X‐ray crystallography. The CSeSeC moiety of 2 adopts an unusual antiperiplanar conformation. Cleavage of the Se Se bond by iodine providing iodo[tris(trimethylsilyl)‐methyl]selane ( 5 ) is complete with 2 , but reversible with 1 .

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