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Diversity Synthesis of Pyrimido[4,5- b ][1,6]naphthyridine and Its Derivatives under Microwave Irradiation

✍ Scribed by Han, Zheng-Guo; Zhang, Ge; Jiang, Bo; Ma, Ning; Shi, Feng; Tu, Shu-Jiang


Book ID
126486892
Publisher
American Chemical Society
Year
2009
Tongue
English
Weight
245 KB
Volume
11
Category
Article
ISSN
1520-4766

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Synthesis of substituted pyrimido[4,5-b]
✍ Christophe Plisson; Jacques Chenault πŸ“‚ Article πŸ“… 2001 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 56 KB

## Abstract Ethyl 1‐ethyl‐7‐methyl‐4‐oxo‐1,4‐dihydro[1,8]naphthyridine‐3‐carboxylate (**1**), precursor of nalidixic acid, has been converted in two steps through ([1,8]naphthyridin‐3‐yl)carbonylguanidine derivatives into substituted pyrimido[4,5‐__b__] and [5,4‐__c__][1,8]naphthyridines.