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Intramolecular acylation of 3-oxo-2-piperidine-propionic acid derivatives. Synthesis of hexahydro-2-oxopyrano[3,2-b]pyridines

✍ Scribed by Joan Bosch; Josep Bonjoch; Isabel Serret

Book ID
112126729
Publisher
Journal of Heterocyclic Chemistry
Year
1982
Tongue
English
Weight
326 KB
Volume
19
Category
Article
ISSN
0022-152X

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Further intramolecular reactions of 1,2,4-triazines. Synthesis of furo[2,3-b]pyridines and dihydropyrano[2,3-b]pyridines
✍ Edward C. Taylor; John E. Macor πŸ“‚ Article πŸ“… 1986 πŸ› Elsevier Science 🌐 French βš– 168 KB

3-(3-Butynyloxy)-and 3-(4-pentnyfoxy)-1,2,4-triazines undergo facile intramolecular Diels-Alder reactions to yield 2,3-dihydrofuro(2,3-@pyridines and dihydropyrano(2,3-&)pyridines respectively. The former are readily dehydrogenated with DDQ to furo(2,3\_l$pyridines.