Trifluoroacetylketene O,N-, S,N- and N,N-acetals 3-6 are easily obtained in excellent yields by O-N and S-N exchange reactions of trifluoroacetylketene O,O- and S,S-acetals 1, 2 with various amines.
三
氟乙酰基烯酮O,N-、S,N-和N,N-
缩醛3-6可通过三
氟乙酰基烯酮O,O-和S,S-
缩醛1、2与各种胺的O-N和S-N交换反应,轻松获得,产率优异。