4-Dimethylaminopyridine-catalyzed [3+3] spiroannulation reactions of isatin-derived Morita-Baylis-Hillman carbonates with indoline-2-thiones
文献类型： 外文期刊
作者： Geng, Congcong 1 ; Wei, Xingfu 1 ; Xu, Yongqiang 1 ; Liu, Jianhui 1 ; Peng, Lizeng 2 ; Wang, Baomin 1 ;
作者机构： 1.Dalian Univ Technol, Dept Pharmaceut Sci, State Key Lab Fine Chem, Dalian 116024, Peoples R China
2.Shandong Acad Agr Sci, Jinan 250100, Peoples R China
关键词： Spiroannulations; DMAP; Morita -Baylis -Hillman carbonates; Sulfur heterocycles
期刊名称：TETRAHEDRON LETTERS （ 影响因子：2.032； 五年影响因子：2.0 ）
ISSN： 0040-4039
年卷期： 2022 年 102 卷
页码：
收录情况： SCI
摘要： DMAP-catalyzed diastereoselective [3 + 3] spiroannulations of isatin-derived Morita-Baylis-Hillman car-bonates with indoline-2-thiones were achieved. A series of bisindole-annulated thiopyran frameworks were synthesized in good yields with good diastereoselectivities. The strategy developed in this paper offered a novel way for the synthesis of valuable indole-annulated sulfur heterocycle derivatives which might be beneficial in organic synthesis and medicinal chemistry. (c) 2022 Elsevier Ltd. All rights reserved.
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