by using the chiral catalyst, which was prepared from [Ru(η3‐methallyl)2(cod)] and a trans‐chelating bis(phosphine) ligand (PhTRAP). The dearomative reaction exclusively occurred on the five‐membered ring, thus giving the corresponding azaindolines with up to 97:3 enantiomer ratio.
高对映选择性通过使用手性催化剂,将其从的[Ru(η制备的氮杂
吲哚的氢化实现3 -methallyl)2(COD)]和反式-chelating双(膦)
配体(Ph
TRAP)。脱芳香反应只发生在五元环上,因此相应的氮杂
吲哚啉对映体比率高达97:3。