Synthesis of new spiro compounds proceeding from 11H-Indeno[1,2-b]quinoxalin-2-one
作者:A. V. Velikorodov、N. N. Stepkina、E. A. Shustova、V. A. Ionova
DOI:10.1134/s1070428015050164
日期:2015.5
the corresponding chalcone that at boiling in anhydrous ethanol with hydrazine hydrate for 1 h formed a spiro compound with a pyrazole ring. Five-component condensation of ninhydrin, 1,2-phenylenediamine, sarcosine, malononitrile (or ethyl cyanoacetate), and 4-formylphenyl N-phenylcarbamate in a mixture EtOH — [bmim]Br led to the formation of 4-3′,3′-dicyano(or 3′-ethoxycarbonyl-3′-cyano)-1′-methylspiro[indeno[1
11 H-茚并[1,2-b]喹喔啉-2-酮与半(硫代半)咔唑在乙醇中的反应生成半(硫代半)咔唑酮,其在乙酸酐中沸腾时进行环化,生成N- 3'-乙酰基- 3' ħ -螺[茚并[1,2-b]喹喔啉11,2' - [1,3,4]氧杂(硫杂) -二唑] -5'-基}乙酰胺。11 H-茚并[1,2-b]喹喔啉-2-酮与N-(4-乙酰苯基)氨基甲酸甲酯的醛醇缩丁醛缩合反应生成相应的查耳酮,在无水乙醇中与水合肼沸腾1小时,形成螺环化合物带有吡唑环。茚三酮,1,2-苯二胺,肌氨酸,丙二腈(或氰基乙酸乙酯)和4-甲酰基苯基N的五组分缩合反应-苯基氨基甲酸酯在混合物EtOH-[bmim] Br中的形成导致形成了4- 3',3'-二氰基(或3'-乙氧基羰基-3'-氰基)-1'-甲基螺[茚并[1,2- b ]喹喔啉-1,2'-吡咯烷酮] -4′-基}苯基N-苯基氨基甲酸酯。