Benzynes generated by the reaction of o-(trimethylsilyl)aryl triflates with TBAT participate in intramolecular [4 + 2] cycloadditions with conjugated enynes, arenynes, and dienes to furnish highly condensed polycyclic aromatic compounds. [reaction: see text]
邻-(三甲基甲
硅烷基)芳基
三氟甲磺酸酯与TBAT反应生成的苯并参与与共轭烯,
芳烃和二烯的分子内[4 + 2]环加成反应,从而提供高度缩合的多环芳族化合物。[反应:看文字]