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A formal [4 + 2] annulation of diamines and prop-2-ynyl sulfonium salts for the synthesis of tetrahydroquinoxalines.
Fei Xia
Yu-Qian Lu
Peng Sun
Qiu-Yan Guo
Qiao-Li Shi
Jun-Zhe Zhang
Chong Qiu
Published in:
Organic & biomolecular chemistry (2022)
A formal [4 + 2] annulation of diamines and prop-2-ynyl sulfonium salts was developed. This strategy enables efficient access to tetrahydroquinoxalines in excellent yields.
Keyphrases
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ionic liquid