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First catalytic synthesis of 7-ferrocenyl-2,4-dioxopyrido [2,3-d]pyrimidines derivatives in water

✍ Scribed by Ivonne Arellano; Pankaj Sharma; José Luis Arias; Alfredo Toscano; Armando Cabrera; Noé Rosas


Book ID
103834580
Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
405 KB
Volume
266
Category
Article
ISSN
1381-1169

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Synthesis and structural study of novel
✍ Rená Rodríguez; Margarita Suárez; Estael Ochoa; Beatriz Pita; Remberto Espinosa; 📂 Article 📅 1997 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 380 KB 👁 1 views

## 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