e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
A Simple and Versatile Route to Novel Conjugated β-Enaminonitriles and Their Application for the Highly Regioselective Synthesis of Nicotinonitriles Using a …
AR Katritzky, A Denisenko, M Arend
Index: Katritzky, Alan R.; Denisenko, Anna; Arend, Michael Journal of Organic Chemistry, 1999 , vol. 64, # 16 p. 6076 - 6079
A straightforward synthesis of conjugated β-enaminonitriles from ketones and β- aminocrotononitrile mediated by TiCl4 is described. The reaction of these novel dienamines with a Vilsmeier-type reagent provides a mild and highly regioselective route for the preparation of nicotinonitriles.