Fused Tricyclic Disilenes with Highly Strained SiSi Double Bonds: Addition of a SiSi Single Bond to a SiSi Double Bond | Zendy

Tanaka Ryoji | Zendy; Iwamoto Takeaki | Zendy; Kira Mitsuo | Zendy

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Fused Tricyclic Disilenes with Highly Strained SiSi Double Bonds: Addition of a SiSi Single Bond to a SiSi Double Bond

Author(s) -

Tanaka Ryoji,

Iwamoto Takeaki,

Kira Mitsuo

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.200602214

Subject(s) - double bond , single bond , chemistry , tricyclic , crystallography , silicon , stereochemistry , group (periodic table) , polymer chemistry , organic chemistry

Internal fusion : The stable fused tricyclic tetraalkyl disilenes cis ‐ 1 and trans ‐ 1 were synthesized as yellow and red‐purple crystals, respectively (see picture). X‐ray analysis has shown that the geometry around the SiSi bond in trans ‐ 1 is unusually distorted, but is rather normal in cis ‐ 1 . Disilene trans ‐ 1 isomerizes stereospecifically to a tetracyclic isomer by unprecedented addition of a SiSi single bond to a SiSi double bond.

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