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Gold catalyzed [3+2] cycloaddition of N-allenyl amides with azomethine imines
被引:79
|作者:
Zhou, Wen
[1
]
Li, Xiao-Xiao
[1
]
Li, Guo-Hua
[1
]
Wu, Yun
[2
]
Chen, Zili
[1
]
机构:
[1] Renmin Univ China, Dept Chem, Beijing 100872, Peoples R China
[2] Peking Univ, Sch Pharmaceut Sci, State Key Lab Nat & Biomimet Drugs, Beijing 100191, Peoples R China
关键词:
ASYMMETRIC-SYNTHESIS;
ENOL ETHER;
HYDROAMINATION;
ALLENAMIDES;
ACCESS;
D O I:
10.1039/c3cc41258j
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
Gold(I) catalyzed [3+2] cycloaddition of azomethine imines with N-allenyl amides was developed to provide two types of pyrazolyl based bicyclic heterocycles. Both pyrazolidin-3-one derived and dihydroisoquinoline derived azomethine imines reacted smoothly with N-allenyl amides to give 6-methylene bipyrazolidin-1-ones and 1-methylene hexahydropyrazolo[5,1-a] isoquinolines in moderate to good yields.
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页码:3552 / 3554
页数:3
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