As shown in Scheme 2, the method tolerates various types of functional groups including both electron-rich and -deficient CH3, CH3O, t-Bu, F, Cl, and Br groups which were obtained in moderate to good yields (3a− 3n).
As shown in Scheme 2, the method tolerates various types of functional groups including both electron-rich and -deficient CH3, CH3O, t-Bu, F, Cl, and Br groups which were obtained in moderate to good yields (3a− 3n).