Studies on Multiply Bonded Silicon Compounds Based on Silicon-Silicon Triple Bond

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Reactivity of the isolable disilyne with a Si-Si triple bond was investigated. Disilynes reacted with small organic molecules such as alcohols, secondary amines, hydroboranes, alkenes, alkynes, nitrile, and isonitriles to form wide variety type of adducts, of which structures were determined by X-ray crystallography as well as spectroscopic methods. We also succeeded in synthesizing and characterization of new two symmetrical disilynes and one unsymmetrical disilyne.