Tricomponent domino synthesis of 6-hydroxy-2-chloro-1,4,5,6-tetrahydropyridine-3,4,4-tricarbonitriles
作者:O. V. Ershov、K. V. Lipin、A. V. Eremkin、O. E. Nasakin、V. P. Sheverdov、P. I. Fedorov、V. A. Tafeenko
DOI:10.1134/s1070428017020129
日期:2017.2
In reaction of tetracyanoethylene with ketones and HCl in 1,4-dioxane at 30-40 degrees C 6-hydroxy-2-chloro-1,4,5,6-tetrahydropyridine-3,4,4-tricarbonitriles are formed.
Three-component synthesis of 2-halo-6-methoxy-5,6-dihydropyridine-3,4,4(1H)-tricarbonitriles
作者:K. V. Lipin、O. V. Ershov
DOI:10.1134/s1070428017110288
日期:2017.11
One-stage preparation method of 2-halo-6-methoxy-5,6-dihydropyridine-3,4,4(1H)-tricarbonitriles was developed, consisting in the reaction of 3,3-dialkyl-4-oxoalcane-1,1,2,2-tetracarbonitriles with hydrohalic acids in methanol.