Synthesen mit Nitrilen, 85. Mitt.: Ueber 4-Dicyanmethylen- und 4-Tricyanpropyliden-homophthalimide

Article abstract of DOI:10.1007/BF00809531

Addition of tetracyanoethylene to the 1,2,3,4-tetrahydro-isoquinoline-1,3-diones 1a-d yields 4-(dicyanomethylene)-1,2,3,4-tetrahydro-isoquinoline-1,3-diones 3 or 4-(2-amino-1,1,3-tricyano-3-propylidene)-1,2,3,4-tetrahydro-1,3-diones 4 depending on the sub