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ChemInform Abstract: Novel and Facile Catalytic Synthesis of 2,4-Dioxopyrido[2,3-d]pyrimidine Derivatives in Water.

✍ Scribed by Noe Rosas; Pankaj Sharma; Cecilio Alvarez; Armando Cabrera; Rodrigo Ramirez; Alejandro Delgado; Henri Arzoumanian


Publisher
John Wiley and Sons
Year
2010
Weight
27 KB
Volume
33
Category
Article
ISSN
0931-7597

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Synthesis and structural study of novel
✍ RenΓ‘ RodrΓ­guez; Margarita SuΓ‘rez; Estael Ochoa; Beatriz Pita; Remberto Espinosa; πŸ“‚ Article πŸ“… 1997 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 380 KB

## Abstract The tide compounds 4a‐c have been prepared in a one‐step procedure from 2,4‐diamino‐6‐hydroxy‐pyrimidine (1) and the corresponding arylidene substituted Meldrum's acids 2a‐e in very good yields. Semiempirical theoretical calculations (AMI) reveal two favoured conformations (A and B) for