Synfacts, Table of Contents Synfacts 2017; 13(11): 1216DOI: 10.1055/s-0036-1591386 Polymer-Supported Synthesis © Georg Thieme Verlag Stuttgart · New York Silica-Supported Tungstic Acid Catalyst for a Three-Component Condensation Contributor(s): Yasuhiro Uozumi , Yoichi M. A. Yamada , Hiroshi Yoshida Recommend Article Abstract Buy Article Key words Key wordsheterogeneous catalysis - tungstic acid - solvent-free - pyranochromenones Full Text