Synfacts, Table of Contents Synfacts 2013; 9(4): 0454DOI: 10.1055/s-0032-1318424 Polymer-Supported Synthesis © Georg Thieme Verlag Stuttgart · New York Preparation of Hydropyridines with a Polystyrene-Supported PTSA Catalyst Contributor(s): Yasuhiro Uozumi , Yoichi M. A. Yamada , Shaheen M. Sarkar Recommend Article Abstract Buy Article Key words Key wordsactive methylene compounds - aldehydes - ammonium acetate - hydropyridines - polystyrene - p-toluenesulfonic acid Full Text