Recommanded Product: 2689-65-8. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 5-Iodo-2-furaldehyde, is researched, Molecular C5H3IO2, CAS is 2689-65-8, about A simple preparative synthesis of epoxy[1,3]oxazino(or oxazolo)[2,3-a]isoindoles and their thia analogues via IMDAF. Author is Zubkov, Fedor I.; Galeev, Timur R.; Nikitina, Eugeniya V.; Lazenkova, Irina V.; Zaytsev, Vladimir P.; Varlamov, Alexey V..
Azomethines, easily prepared from 5-(R)-furfurals and 1,3- or 1,2-amino alcs. (aminothiols), react under mild conditions with maleic anhydride affording 8,10a-epoxy[1,3]oxa(thia)zino[2,3-a]isoindole-7- and 7,9a-epoxy[1,3]oxa(thia)zolo[2,3-a]isoindole-6-carboxylic acids. The reaction proceeds through initial N-acylation with subsequent intramol. exo-Diels-Alder cycloaddition and stereoselectively leads to the exo adducts. The ‘one-pot’ synthetic protocol is also presented.
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Reference:
1,8-Naphthyridine – Wikipedia,
1,8-Naphthyridine | C8H6N2 – PubChem