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Base-Promoted [3+2] Annulation of Carbodiimides with Diazoacetonitrile for Synthesis of 5-Amino-4-cyano-1,2,3-triazoles
被引:3
|作者:
Zhou, Lu-Nan
[1
,2
]
Zhang, Fa-Guang
[1
,2
]
Cheung, Chi Wai
[1
,2
]
Ma, Jun-An
[1
,2
,3
]
机构:
[1] Tianjin Univ, Dept Chem, Minist Educ, Tianjin Key Lab Mol Optoelect Sci, Tianjin 300072, Peoples R China
[2] Tianjin Univ, Frontiers Sci Ctr Synthet Biol, Minist Educ, Tianjin 300072, Peoples R China
[3] Tianjin Univ, Joint Sch Natl Univ Singapore & Tianjin Univ, Int Campus, Fuzhou 350207, Peoples R China
来源:
基金:
中国国家自然科学基金;
关键词:
annulation;
triazoles;
3+2] annulation;
carbodiimides;
diazoacetonitrile;
CYCLOADDITION;
1,2,3-TRIAZOLES;
CHEMISTRY;
DIVERGENT;
YNAMIDES;
COPPER;
AZIDES;
D O I:
10.1055/a-2216-4765
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
1,2,3-Triazoles are a privileged class of heterocycles in medicinal and agrochemical science. Here, we describe the base-promoted [3+2] annulation of carbodiimides with diazoacetonitrile. This reaction protocol permits access to a variety of novel 5-amino-4-cyano-1,2,3-triazoles in a regiospecific manner. Further derivatization is exemplified by a skeletal rearrangement and an N-functionalization of triazole products.
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页码:1557 / 1560
页数:4
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