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)。