Synthesis of pyridine oxides and isoxazolines from 4-(2-oxoalkylidene)-pyrans

Crabbé, Pierre; Haro, J.; Ríus, Carlos; SANTOS, ELVIRA

doi:10.1039/p19750001342

Cited by 10 publications

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“…Oximation of the latter leads to the oxime 14. In the presence of hydroxylamine furanones [15,16] and 4-acetonylidene-2,6-dimethylpyran [17] give derivatives of isoxazole oximes. For example, the reaction of compound 15 with NH 2 OH in methanol leads to the oximes 16 [15].…”

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Oximes of five-membered heterocyclic compounds with two heteroatoms. 1. Synthesis and structure (Review)

Абеле

Lukevics

2007

Chem Heterocycl Compd

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Data on the production and structure of oxazole, thiazole, and imidazole aldoximes, ketoximes, and amidoximes and their derivatives are reviewed.The oximes of five-membered heterocyclic compounds with two heteroatoms are widely used as intermediates in fine organic synthesis. The principal methods for the production of oxazole, thiazole, and imidazole aldoximes, ketoximes, amidoximes, and their derivatives are summarized in this review. The principal methods of investigation of the structure of the oximes of five-membered heterocyclic compounds with two heteroatoms in relation to their isomerism are examined briefly. The characteristics of the reactions and biological activity of the oximes of five-membered heterocyclic compounds with two heteroatoms will be presented in the second part of the review.

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confidence: 99%