Amberlyst-15 mediated synthesis of 2-substituted 2,3-dihydroquinazolin-4(1H)-ones and their crystal structure analysis
                                
                                    
                                        作者:P. VNS Murthy、D. Rambabu、G. Rama Krishna、C. Malla Reddy、K.R.S. Prasad、M.V. Basaveswara Rao、Manojit Pal                                    
                                    
                                        DOI:10.1016/j.tetlet.2011.12.023
                                    
                                    
                                        日期:2012.2
                                    
                                    An efficient and clean method has been developed for the synthesis of 2-substituted 2,3-dihydroquinazolin-4(1H)-ones using Amberlyst-15 as a recyclable catalyst. A variety of dihydroquinazolinones were prepared from 2-aminobenzamide and aldehydes under mild conditions in excellent yields. Further structure elaboration of one compound and the crystal structure analysis and hydrogen bonding patterns of the two compounds prepared by using this methodology is presented. (C) 2011 Elsevier Ltd. All rights reserved.