Catalytic asymmetric 1,3-dipolar cycloaddition reactions of azomethine ylides-a simple approach to optically active highly functionalized proline derivatives.
Catalytic asymmetric 1,3-dipolar cycloaddition reactions of azomethine ylides-a simple approach to optically active highly functionalized proline derivatives. Angew Chem Int Ed Engl. 2002 Nov 15; 41(22):4236-8.