A facile regio- and stereoselective synthesis of novel dispirooxindolyl-[acridine-2′,3-pyrrolidine/thiapyrrolizidine]-1′-ones via 1,3-dipolar cycloaddition of azomethine ylides
作者:Shanmugavel Uma Maheswari、Subbu Perumal、Abdulrahman I. Almansour
DOI:10.1016/j.tetlet.2011.11.048
日期:2012.1
A facile regio- and stereoselective synthesis of novel dispirooxindolyl-[acridine-2′,3-pyrrolidine]-1′-ones and dispirooxindolyl-[acridine-2′,3-thiapyrrolizidine]-1′-ones have been accomplished via 1,3-dipolar cycloaddition of azomethine ylides, generated in situ from the reaction of sarcosine/1,3-thiazolane-4-carboxylic acid and substituted isatins, to a series of (E)-2-[arylmethylidene]-3,4-dihy
通过以下方法,可以轻松合成新的二螺氧新吲哚基-[ac啶-2',3-吡咯烷] -1'-酮和二螺氧新吲哚基-[ac啶-2',3-噻吩并吡嗪] -1'-酮的区域选择性和立体选择性合成,方法如下:肌氨酸/ 1,3-噻唑烷-4-羧酸与取代的靛红反应在原位生成的偶氮甲亚烷基的3-偶极环加成反应生成一系列(E)-2- [芳基亚甲基] -3,4-二氢-1(2 H)-ac啶酮的收率很高。