A stable analogue of indole-2,3-quinodimethane: synthesis and Diels–Alder reaction of 2-methoxycarbonyl-4-[(p-methoxyphenyl)sulphonyl]-2,4-dihydropyrrolo[3,4-b]indole
作者:Chin-Kang Soa、Kuang-Sein Chuang、Jenn-Jonn Young
DOI:10.1039/c39840001552
日期:——
The 2,4-dihydropyrrolo[3,4-b]indole ring system, readily prepared from 1-[(p-methoxyphenyl)sulphonyl]-2-methyl-3,-formylindole, underwent Diels–Alder reaction with highly reactive dienophiles, e.g., benzyne and N-phenylmethoxy, to give cycloadducts in excellent yields.
由1-[(对甲氧基苯基)磺酰基] -2-甲基-3,-甲酰基吲哚制备的2,4-二氢吡咯并[3,4- b ]吲哚环体系与高反应性亲二烯体进行Diels-Alder反应,例如苯并和N-苯基甲氧基,以优异的产率得到环加合物。