Synthesis of Cyclosilanylethynes | Zendy

Hengge Edwin | Zendy; Baumegger Alfred | Zendy; Eibl Markus | Zendy; Hohenester Erhard | Zendy; Kratky Christoph | Zendy

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Synthesis of Cyclosilanylethynes

Author(s) -

Hengge Edwin,

Baumegger Alfred,

Eibl Markus,

Hohenester Erhard,

Kratky Christoph

Publication year - 1990

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.199006411

Subject(s) - acetylene , triple bond , halide , chemistry , bond length , crystallography , bond , stereochemistry , double bond , polymer chemistry , organic chemistry , crystal structure , finance , economics

No σ‐π interaction takes place between the Si skeleton and CC triple bond in cyclosilanylethynes such as cyclo ‐Si 6 Me 11 ‐CC‐ cyclo ‐Si 6 Me 11 and 1 . This follows from the NMR and IR spectroscopic data, as well as from the CC bond length (121.2pm) and CCSi angle (177°) in the case of the former. The compounds were prepared from cyclosilanyl (di)halides, acetylene and Na/K alloy.

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