A simple and efficient large-scale synthesis of 3-hydroxyphthalans via oxa-Pictet-Spengler reaction catalyzed by nanosilica sulfuric acid

A simple and efficient large-scale synthesis of 3-hydroxyphthalans via oxa-Pictet-Spengler reaction catalyzed by nanosilica sulfuric acid

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tetrahedron Letters - Volume 52, Issue 11, 16 March 2011, Pages 1213-1216

Zahra Khorsandi, Ahmad Reza Khosropour, Valiollah Mirkhani, Iraj Mohammadpoor-Baltork, Majid Moghadam, Shahram Tangestaninejad,