Intramolecular N-Acyliminium Ion-Olefin Cyclization in the Synthesis of Optically Pure Isoquinoline Derivatives: Control of Stereochemistry and Application to Synthesis of Morphine Alkaloids
Intramolecular N-Acyliminium Ion-Olefin Cyclization in the Synthesis of Optically Pure Isoquinoline Derivatives: Control of Stereochemistry and Application to Synthesis of Morphine Alkaloids