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Organocatalytic condensation–ring opening–annulation cascade reactions between N-Bocindolin-2-ones/benzofuran-2(3H)-ones and salicylaldehydes for synthesis of 3-arylcoumarins
Organic & Biomolecular Chemistry ( IF 3.2 ) Pub Date : 2017-07-26 00:00:00 , DOI: 10.1039/c7ob01730h
Yuyu Cheng 1, 2, 3, 4 , Pengfei Zhang 1, 2, 3, 4 , Yanwen Jia 1, 2, 3, 4 , Zhiqiang Fang 1, 2, 3, 4 , Pengfei Li 1, 2, 3, 4
Affiliation  

An organocatalytic cascade synthesis of 3-arylcoumarins has been developed. Mediated by 1,8-diazabicyclo[5,4,0]-undec-7-ene or tetramethylguanidine, a number of 3-arylcoumarins were obtained in good to excellent yields via condensation–ring opening–annulation between N-Bocindolin-2-ones/benzofuran-2(3H)-ones and salicylaldehydes. This method was featured by a broad scope of reactants, mild conditions, and simple operation.

中文翻译:

N -Bocindolin-2-ones / benzofuran-2(3 H)-ones与水杨醛之间的有机催化缩合-开环-级联反应合成3-芳基香豆素

已经开发了3-芳基香豆素的有机催化级联合成。由1,8-二氮杂双环[5,4,0] -十一碳-7-烯或四甲基胍,许多3- arylcoumarins介导的是在良好获得优异的产率通过缩合-环开环之间Ñ -Bocindolin -2-一/苯并呋喃-2(3 H)-一和水杨醛。该方法的特点是反应物范围广,条件温和,操作简单。
更新日期:2017-09-20
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