38180-46-0Relevant articles and documents
C?H Cyanation of 6-Ring N-Containing Heteroaromatics
Elbert, Bryony L.,Farley, Alistair J. M.,Gorman, Timothy W.,Johnson, Tarn C.,Genicot, Christophe,Lallemand, Bénédicte,Pasau, Patrick,Flasz, Jakub,Castro, José L.,MacCoss, Malcolm,Paton, Robert S.,Schofield, Christopher J.,Smith, Martin D.,Willis, Michael C.,Dixon, Darren J.
supporting information, p. 14733 - 14737 (2017/10/07)
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.
REGIOSELECTIVE CYANATION OF 3-SUBSTITUTED PYRIDINE 1-OXIDES
Fife, Wilmer K.
, p. 93 - 96 (2007/10/02)
Cyanation of 3-X-pyridine 1-oxides with trimethylsilanecarbonitrile and dimethylcarbamoyl chloride occurs quantitatively to give 3-X-pyridinecarbonitriles in > 90percent isolated yields when X = -CH3, -OCH3, -OH and -Cl, and approximately equal amounts of the 3- and 5-X derivatives when X = -CN and -COOCH3.
