An efficient, sustainable approach to the chemo and regioselective synthesis of novel spiroindenoquinoxaline grafted piperidone hybrid heterocycles

Abdulrahman I. Almansour; Natarajan Arumugam; Raju Suresh Kumar

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An efficient, sustainable approach to the chemo and regioselective synthesis of novel spiroindenoquinoxaline grafted piperidone hybrid heterocycles

机译：新型螺茚喹喹啉接枝哌啶杂交杂交杂交杂交杂交杂交的高效，可持续的方法

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An efficient, eco-friendly and sustainable approach for the synthesis of novel spiroindeno[1,2-b]quinoxaline-3-phenylspiro[4,3″]benzylidenepiperidone ring system has been developed by a one-pot four component [3?+?2] cycloaddition strategy. The 1,3-dipole generatedin situfrom quinoxalinone andl-phenylalanine reacts with the highly functionalized dipolarophiles, bisarylidene piperidones affording spirohybrid heterocycles in good yields. The unexplored novel class of dispirohybrid heterocycles obtained possess three CN and two CC bonds with four adjacent stereogenic carbons, out of which two is spirocarbons. The structure of compounds was elucidated using1H,13C and mass spectroscopic studies.

机译：合成新型螺吲哚（Spiroindeno）的有效，环保和可持续的方法[1,2-B]喹喔啉-3-苯基苯胺[4,3“]苄基哌啶酮环系统已经开发了一种单罐四组分[3？+ ？2]环加入策略。 1,3-偶极生成喹喔啉酮和苯丙氨酸与高官能化二极管，双芳基哌啶，提供螺发腺杂交杂环的良好产率。获得的未探明的新型DixoRohybrid杂杂环具有三种CN和两种CC键，其中四个相邻的立体碳粘合剂，其中两个是螺旋铜。使用1H，13C和质谱研究阐明化合物的结构。

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《Journal of King Saud University》 |2020年第7期|共6页
作者
Abdulrahman I. Almansour; Natarajan Arumugam; Raju Suresh Kumar;
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Azomethine ylideSpiroindenoquinoxalinoneSpiropyrrolidinesBenzylidene piperidoneIonic liquids;

机译：Azomethine YlidespiroIndeno喹啉丙烯醛吡咯烷丙氨酸苄基哌啶胺液体;

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An efficient, sustainable approach to the chemo and regioselective synthesis of novel spiroindenoquinoxaline grafted piperidone hybrid heterocycles

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