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Pyrrolopyrimidines. Part 5. Reaction of 6-Amino-1,3-dimethylpyrrolo[3,4-d]pyrimidine-2,4(1H,3H)-diones with 1,3-Diketones.

โœ Scribed by E. B. Tsupak; M. A. Shevchenko; A. F. Pozharskii; Yu. N. Tkachenko


Publisher
John Wiley and Sons
Year
2004
Weight
130 KB
Volume
35
Category
Article
ISSN
0931-7597

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## Reactivity of Thioaldehyde: Cyclization Reaction of 6-Amino-1,3-dimethyl-5-thioformyluracil with Enamines into Pyrido(2,3d)pyrimidine-2,4-(1H,3H)-diones. -The thioaldehyde (I) reacts with electron-rich morpholino enamines under mild condition to afford pyridopyrimidines of type (III) in a regi