A facile synthesis of highly functional spiro-[4-chromanone-3,3â²-pyrrolidine] bearing one unique spiro quarternary and three tertiary stereogenic centers is developed in excellent stereoselectivity for the first time.
首次以优异的立体选择性简便合成了具有一个独特的螺四元立体中心和三个叔立体中心的高功能螺-[4-苯并
吡喃酮-3,3â²-
吡咯烷]。