Bis(silylenyl)‐ and Bis(germylenyl)‐Substituted Ferrocenes: Synthesis, Structure, and Catalytic Applications of Bidentate Silicon(II)–Cobalt Complexes | Zendy

Wang Wenyuan | Zendy; Inoue Shigeyoshi | Zendy; Enthaler Stephan | Zendy; Driess Matthias | Zendy

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Bis(silylenyl)‐ and Bis(germylenyl)‐Substituted Ferrocenes: Synthesis, Structure, and Catalytic Applications of Bidentate Silicon(II)–Cobalt Complexes

Author(s) -

Wang Wenyuan,

Inoue Shigeyoshi,

Enthaler Stephan,

Driess Matthias

Publication year - 2012

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.201202175

Subject(s) - silylene , phenylacetylene , cyclopentadienyl complex , ferrocene , denticity , cobalt , chemistry , cycloaddition , catalysis , combinatorial chemistry , medicinal chemistry , stereochemistry , silicon , crystal structure , crystallography , organic chemistry , electrochemistry , electrode

Strong bite : The two respective Si II and Ge II centers in ferrocene‐containing bis(silylene) and bis(germylene) ligands 1 can serve as excellent σ donors, as shown in the formation of Co complexes 2 (see scheme, Cp=η 5 ‐cyclopentadienyl). Unexpectedly, only the bis(silylene)–Co complex 2 is a precatalyst for the [2+2+2] cycloaddition of phenylacetylene and MeCN, possibly because of a stronger coordination of the Ge II donor centers to Co.

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