Synthesis of 2,6′-Dioxo-1′,5′,6′,7′-tetrahydrospiro[indoline-3,4′-pyrazolo[3,4-<i>b</i>]pyridine]-5′-carbonitriles via a One-Pot, Three-Component Reaction in Water
作者:Abbas Rahmati、Tahmineh Kenarkoohi、Hamid Reza Khavasi
DOI:10.1021/co300047j
日期:2012.12.10
A one-pot, three-component condensation reaction of an isatin, aminopyrazole, and alkyl cyanoacetate in water to give 2,6′-dioxo-1′,5′,6′,7′-tetrahydrospiro[indoline-3,4′-pyrazolo[3,4-b]pyridine]-5′-carbonitrile with good yields, at 90 °C, using a Et3N as catalyst, is described.
靛红,氨基吡唑和氰基乙酸烷基酯在水中的一锅三组分缩合反应,得到2,6'-dioxo-1',5',6',7'-四氢螺[吲哚啉-3,4'描述了在90℃下使用Et 3 N作为催化剂具有良好收率的-吡唑并[3,4- b ]吡啶] -5′-腈。