Brønsted Acid Catalyzed Addition of Enamides to ortho-Quinone Methide Imines-An Efficient and Highly Enantioselective Synthesis of Chiral Tetrahydroacridines.

Brønsted Acid Catalyzed Addition of Enamides to ortho-Quinone Methide Imines-An Efficient and Highly Enantioselective Synthesis of Chiral Tetrahydroacridines.