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Multicomponent Reaction of Phosphines, Benzynes, and CO2: Facile Synthesis of Stable Zwitterionic Phosphonium Inner Salts
被引:24
|作者:
Xie, Pei
[1
]
Yang, Shoushan
[1
]
Guo, Yuyu
[1
]
Cai, Zhihua
[1
]
Dai, Bin
[1
]
He, Lin
[1
]
机构:
[1] Shihezi Univ, Sch Chem & Chem Engn, Key Lab Green Proc Chem Engn Xinjiang Bingtuan, Shihezi 832000, Peoples R China
来源:
基金:
中国国家自然科学基金;
关键词:
STEP SIMULTANEOUS CONSTRUCTION;
COUPLING INVOLVING ARYNES;
DIELS-ALDER REACTION;
SELECTIVE SYNTHESIS;
TANDEM REACTION;
C-P;
ACCESS;
CYCLOADDITION;
ISOQUINOLINES;
DERIVATIVES;
D O I:
10.1021/acs.joc.0c00745
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
The first synthesis of benzyne-derived stable zwitterions is reported. Benzynes generated in situ from 2-(trimethylsilyl)aryl triflates undergo a multicomponent reaction with phosphines and CO2 to produce the stable 1,5-zwitterionic species in moderate to excellent isolated yields, which provides a novel method for the preparation of phosphonium inner salts under mild and transition-metal-free conditions.
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页码:8872 / 8880
页数:9
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