Tetrahedron Letters p. 4401 - 4404 (1988)
Update date:2022-08-05
Topics:
Walsh, Eileen B.
Nai-Jue, Zhu
Fang, Guo
Wamhoff, Heinrich
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.
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Doi:10.3987/COM-09-11804
(2010)Doi:10.1016/S0040-4020(01)81445-9
(1988)Doi:10.1016/S0040-4039(00)82196-6
(1988)Doi:10.1002/chir.20742
(2010)Doi:10.1002/ejic.200900049
(2009)Doi:10.1007/s10593-009-0357-9
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