作者:Ioannis Papoutsi、Spyros Spyroudis、Anastasios Varvoglis、Catherine P. Raptopoulou
DOI:10.1016/s0040-4020(97)00270-6
日期:1997.4
[(hydroxy)(tosyloxy)iodo]arenes affords stable 2-amino-3-aryliodonio-1,4-quinones in high yields. The latter, upon treatment with alkali, are converted to the corresponding zwitterionic 3-aryliodonio-1,4-quinone-2-imides. This new class of compounds exhibits an interesting reactivity: upon heating, aryl migration from iodine to nitrogen is observed, while photochemical reaction with aromatic compounds and 2,3-dihydrofuran
2-氨基-1,4-醌与[(羟基)(甲苯磺酰氧基)碘]芳烃的反应以高收率提供了稳定的2-氨基-3-芳基碘_1,4-醌。在用碱处理后,后者被转化为相应的两性离子的3-芳基碘-1,4-醌-2-酰亚胺。这类新化合物表现出有趣的反应性:加热后,观察到芳基从碘迁移到氮,而与芳族化合物和2,3-二氢呋喃的光化学反应产生取代产物。醇钠对这些两性离子的亲核攻击导致醌环的打开,从而提供了合成上令人感兴趣的多功能产品。©1997爱思唯尔科学有限公司。