Unexpected Ti-catalyzed formal intramolecular [4+4] cycloaddition of 1,1â²-bi[(Sâ,Sâ)-6-(trimethylsilyl)cyclohepta-2,4-dien-1-yl]
Keywords: Reductive silylation; 1,3,5-Cycloheptatriene; [4+4] Cycloadditions; Titanium tetrachloride;