E. B. Walsh, Z. Naijue, G. Fang
1988
Citations
0
Influential Citations
19
Citations
Journal
Tetrahedron Letters
Abstract
Abstract 6-[(Dimethylamino)methylene]amino-1,3-dimethyluracil 1 undergoes formal [4+2] cycloaddition reactions with electron deficient olefins to give pyrido[2,3-d]pyrimidines. With DMAD or azodicarboxylates Michael addition occurs leading to pyrrolo[3,4-c]pyridines (X-ray analysis) and theophylline derivatives.