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Syntheses and NMR, MS and X-Ray Investigations of Homoadamantane-Fused Pyridopyrimidinones.

✍ Scribed by Zsuzsanna Cs. Gyarmati; Peter Csomos; Gabor Bernath; Pauliina Valtamo; Henri Kivelae; Gyula Argay; Alajos Kalman; Karel D. Klika; Kalevi Pihlaja


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

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Abstract

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Syntheses and NMR, MS and X-ray investig
✍ Zsuzsanna Cs. Gyarmati; Péter Csomós; Gábor Bernáth; Pauliina Valtamo; Henri Kiv 📂 Article 📅 2004 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 481 KB 👁 1 views

## Abstract The reactions of ethyl 5‐oxotricyclo[4.3.1.1^3,8^]undecane‐4‐carboxylate (2) with methyl‐substituted 2‐aminopyridines in polyphosphoric acid (PPA) gave two products, linearly‐condensed pyridopyrimidinones **4a‐c** and 2‐pyridylcarboxamides **5a‐c**, whereas the reactions with amino, hyd