453. New syntheses of heterocyclic compounds. Part X. 4-Azafluorenones

V Petrow, J Saper, B Sturgeon

文献索引：Petrow; Saper; Sturgeon Journal of the Chemical Society, 1949 , p. 2134,2136

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被引用次数: 18

摘要

By condensing benzylideneindane-1: 3-diones with ethyl j3-aminocrotonate in glacial acetic acid, numerous ethyl l-aryl-3-methyZdihydro-4-aza~ uorenone-3-carboxylates have been prepared; they were oxidised to the corresponding 4-azajZuorenones. When methyl 2-