Mannich-Type Reaction of N,O-Acetals with Ketones Mediated by a Combination of TiCl4 and PhSiCl3
摘要:
A combination of TiCl4 and PhSiCl3 efficiently conducts the Mannich-type reaction of N,O-acetals with ketones to afford a-substituted cyclic amine derivatives in good yields. This method was applicable to preparation of azabicyclo compounds by the intramolecular Mannich-type reaction.
A combination of TiCl4 and PhSiCl3 efficiently conducts the Mannich-type reaction of N,O-acetals with ketones to afford a-substituted cyclic amine derivatives in good yields. This method was applicable to preparation of azabicyclo compounds by the intramolecular Mannich-type reaction.