Synthesis of Polysubstituted Aromatic Compounds 4. The Diels Alder Reaction of Substituted 3 Sulfolenes with Dimethyl Acetylenedicarboxylate

• 多取代芳香族化合物的合成 4.；取代的环丁-3-烯砜与丁炔二酸二甲酯的Diels-Alder反应