作者:K. A. Frolov、V. V. Dotsenko、S. G. Krivokolysko
DOI:10.1007/s11172-012-0051-4
日期:2012.2
es with primary amines and formaldehyde gave 3,7-disubstituted 8-R-3,4,7,8-tetrahydro-2H,6H-pyrimido[4,3-b]-[1,3,5]selenadiazine-9-carbonitriles. Alternatively, these compounds can be obtained by reactions of 4-R-2,6-diamino-4H-selenopyran-3,5-dicarbonitriles with primary amines and form-aldehyde or by multicomponent condensation of an appropriate aldehyde, cyanoselenoacet-amide, a primary amine, and
(芳基亚甲基)(氰基)硒基乙酰胺与伯胺和甲醛的曼尼希反应得到3,7-二取代的8-R-3,4,7,8-四氢-2H,6H-嘧啶[4,3-b]-[ 1,3,5]硒二嗪-9-腈。或者,这些化合物可以通过 4-R-2,6-二氨基-4H-硒吡喃-3,5-二甲腈与伯胺和甲醛的反应或通过适当的醛、氰基硒基乙酰胺、伯胺和甲醛。