作者:Belen Abarca、Rafael Ballesteros、Emilio Enriquez、Gurnos Jones                                    
                                    
                                        DOI:10.1016/s0040-4020(01)89954-3
                                    
                                    
                                        日期:1987.1
                                    
                                    Cycloaddition reactions between 3-vinylthiophen and the dienophiles maleic anhydride, methyl acrylate, dimethyl acetylene - dicarboxylate, and methyl propiolate give products including methyl benzo[b]thiophen-7-carboxylate (11) and its dihydroderivative (10), the 6,7-dicarboxylic acid (3), its dimethyl ester (7) and dihydroester (6); the naphtho[a,b]dithiophen (14), and the novel ethano bridged benzo[b]thiophen
                                    3-乙烯基噻吩与亲二烯体
马来酸酐,
丙烯酸甲酯,
乙炔二
羧酸二甲酯和
丙炔酸甲酯之间的环加成反应产生的产物包括苯并[b]
噻吩-7-
羧酸甲酯(11)及其二氢衍
生物(10,6,7) -二
羧酸(3),其二甲酯(7)和二氢酯(6);
萘并[a,b]二
噻吩(14)和新型
乙醇桥
联苯并[b]
噻吩(15)。