An effective, one-step procedure for conversion of glycal and 2-acyloxyglycal esters to 2,3-unsaturated lactones has been developed, involving BF3-induced removal of the allylic acyloxy function and oxidation with m-chloroperbenzoic acid or pyridinium chlorochromate.
已经开发出一种有效的一步法,将糖基和2-酰氧基糖基酯转化为2,3-不饱和内酯,包括BF 3诱导的烯丙基酰氧基官能团的去除和间
氯过
苯甲酸或
氯代
吡啶鎓
铬酸盐的氧化。