Melamine Trisulfonic Acid: A New Efficient Catalyst for the Synthesis of Aryldithienylmethanes
作者:Liqiang Wu、Yunhui Yan、Fulin Yan
DOI:10.1080/10426507.2011.559496
日期:2012.2.1
Abstract An efficient method has been developed for the synthesis of dithienylmethanes via bisarylation of aldehydes with thiophene in the presence of melamine trisulfonic acid as a catalyst under solvent-free conditions. GRAPHICAL ABSTRACT
Unique versatility of Amberlyst 15. An acid and solvent-free paradigm towards synthesis of bis(heterocyclyl)methane derivatives
作者:Kamaljit Singh、Shivali Sharma、Amit Sharma
DOI:10.1016/j.molcata.2011.07.007
日期:2011.8
Bis(heterocyclyl)methanes, key intermediates for a variety of chemical, biochemical and material science relevant targets, have been obtained in a synthetically useful manner using Amberlyst 15 ion-exchange resin. This method promises versatility, cost-effectiveness, and efficiency. (C) 2011 Elsevier B.V. All rights reserved.
Wang, Yingling; Lu, Guangzhou; Wu, Liqiang, Asian Journal of Chemistry, 2011, vol. 23, # 9, p. 4221 - 4222