Novel and efficient syntheses of quinone imine ketals (2a-j) and quinone imines (4a-h) from substituted phenol ethers (1a-k) bearing an alkyl azido side-chain using the combination of hypervalent iodine(III) reagent, phenyliodine(III) bis(trifluoroacetate) (PIFA) and trimethylsilyl trifuoromethanesulfonate (TMSOTf), have been developed.
利用高价
碘(III)试剂,苯基
碘(III)双(
三氟乙酸酯)(
PIFA)和三甲基
硅基
三氟甲磺酸酯(TMSOTf)的组合,已经开发出了一种新颖且高效的合成方法,用于从带有烷基
叠氮侧链的取代
苯酚醚(1a-k)合成醌
亚胺缩酮(2a-j)和醌
亚胺(4a-h)。