C-H Cyanation of 6-Ring N-Containing Heteroaromatics.
C-H Cyanation of 6-Ring N-Containing Heteroaromatics.
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DOI:
10.1002/chem.201703931
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发表时间:
2017-10-20
期刊:
影响因子:
--
通讯作者:
Dixon DJ
中科院分区:
文献类型:
--
作者:
Elbert BL;Farley AJM;Gorman TW;Johnson TC;Genicot C;Lallemand B;Pasau P;Flasz J;Castro JL;MacCoss M;Paton RS;Schofield CJ;Smith MD;Willis MC;Dixon DJ
Heteroaromatic nitriles are important compounds in drug discovery, both for their prevalence in the clinic and due to the diverse range of transformations they can undergo. As such, efficient and reliable methods to access them have the potential for far‐reaching impact across synthetic chemistry and the biomedical sciences. Herein, we report an approach to heteroaromatic C−H cyanation through triflic anhydride activation, nucleophilic addition of cyanide, followed by elimination of trifluoromethanesulfinate to regenerate the cyanated heteroaromatic ring. This one‐pot protocol is simple to perform, is applicable to a broad range of decorated 6‐ring N‐containing heterocycles, and has been shown to be suitable for late‐stage functionalization of complex drug‐like architectures.
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