A naturally occurring 1,1â²-biphenanthrene, blestriarene C, was prepared and its absolute stereochemistry was determined to be Sa-(â) by an empirical method, during which the compound was found to undergo rapid photoracemization even under ambient light exposure.
我们制备了一种天然存在的 1,1â²-联
菲--blestriarene C,并通过经验法确定其绝对立体
化学结构为 Sa-(â),在制备过程中发现,即使在环境光照射下,该化合物也会发生快速
光气化。