Synthesis of the bicyclopropenyls.
Bicyclopropenyls (I,II,III) have been synthesized by the vacuum gas-phase elimination of b-halocyclopropylsilane precursors over solid fluoride. Bicycloprop-2-enyl I and bicycloprop-1,2'-enyl II were isolated and characterized using std. spectroscopic techniques whereas bicycloprop-1-enyl III could only be generated in situ and trapped by cyclopentadiene.
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