combination of indium(I) chloride and a chiral silver binol phosphate provides an excellent catalyst for asymmetric Hosomi–Sakurai reactions between N,O‐aminals and boronates (see scheme; PG=protecting group, pin=pinacolato). The substrate scope includes aromatic, heteroaromatic, and aliphatic N,O‐aminals as well as allyl and allenyl boronates.
氨醛吸引作用:
氯化铟(I)和手性
磷酸银酚醇的结合为N,O-
氨醛与
硼酸酯之间的不对称Hosomi-Sakurai反应提供了极好的催化剂(请参见方案;
PG =保护基,pin =
频哪醇)。底物的范围包括芳族,杂芳族和脂族N,O-
缩醛以及烯丙基和烯丙基
硼酸酯。