PPA-activated nitroalkanes are employed in the design of a one-pot cascade transformation involvingortho-C–H functionalization, by Beckman rearrangement, and condensation to produce benzoxazoles and benzobisoxazoles directly from phenols.
PPA活化的硝基
烷烃被用于设计一种一锅法级联转化,涉及对位C-H官能化,通过贝克曼重排,和缩合反应直接从
酚中产生苯并
噁唑和苯并
噁唑醌。