Asymmetric synthesis of (S)-(−)-tetrahydropalmatine and (S)-(−)-canadine via a sulfinyl-directed Pictet-Spengler cyclization

Asymmetric synthesis of (S)-(−)-tetrahydropalmatine and (S)-(−)-canadine via a sulfinyl-directed Pictet-Spengler cyclization

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tetrahedron - Volume 68, Issue 4, 28 January 2012, Pages 1266-1271

Virginia M. Mastranzo, José Luis Olivares Romero, Francisco Yuste, Benjamín Ortiz, Rubén Sánchez-Obregón, José L. García Ruano,