PEG-SO<sub>3</sub>H as a Catalyst for the Preparation of Bis-Indolyl and Tris-Indolyl Methanes in Aqueous Media
作者:V. Jhansi Rani、K. Veena Vani、C. Venkata Rao
DOI:10.1080/00397911.2010.551700
日期:2012.7.15
Abstract A facile, efficient, and green synthesis of bis-indolyl and tris-indolyl methanes has been developed by one-pot condensation of indole with structurally diverse aldehydes and ketones in the presence of poly(ethylene glycol)–bound sulfonicacid as catalyst at room temperature. GRAPHICAL ABSTRACT