The Thermally controlled addition of methylpropiolate or cyanoacetyle-ne to 1-methoxycarbonyl-or 1-cyano-quadricyclanone leads in a regiospecific way to the corresponding 1,5-disubstituted cyclooctatetraenes.
将
丙炔酸甲酯或
氰基乙酰基-ne向1-甲氧基羰基-或1-
氰基-
四环烷酮的热控制加成以区域特异性方式产生相应的1,5-二取代的环
辛酸酯。