A facile annelation of pyridines with ni
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Boris A Trofimov; Ludmila V Andriyankova; Sergei A Zhivet'ev; Anastasiya G Mal'k
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Article
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2002
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Elsevier Science
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French
⚖ 89 KB
Pyridines are readily annelated with nitriles of a,b-acetylenic g-hydroxyacids under mild conditions (ambient temperature, no catalyst, no solvent) to give new condensed dihydropyridine systems, 4-cyanomethylidene-1,3-oxazolidine[3,2-a]-1,2-dihydropyridines in 75-83% yields.