A highly efficient and recyclable silica-supported tungstic acid (STA) catalyst for the synthesis of pyrano[3,2-c]chromen-5-ones under solvent free conditions

A highly efficient and recyclable silica-supported tungstic acid (STA) catalyst for the synthesis of pyrano[3,2-c]chromen-5-ones under solvent free conditions

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tetrahedron - Volume 73, Issue 34, 24 August 2017, Pages 5163-5169

Amol Maruti Jadhav, Suresh Kumar Krishnammagari, Jong Tae Kim, Yeon Tae Jeong,