名称:
                                Normal electron demand Diels–Alder cycloaddition of indoles to 2,3-dimethyl-1,3-butadiene
                             
                            
                                摘要:
                                The influence of experimental conditions and of a wide range of electron-withdrawing indole substituents has been studied in the thermally activated and Lewis acid activated intermolecular Diels-Alder cycloaddition of electron-poor indoles to 2,3-dimethyl-1,3-butadiene. (C) 2011 Elsevier Ltd. All rights reserved.
                             
                                                            
                                    DOI:
                                    10.1016/j.tet.2011.04.030