New Synthesis of Isoxazoles and Isothiazoles. A Convenient Synthesis of Thioenaminones from Enaminones
The reaction of 1-aryl-3-(dimethylamino)-2-propene-1-ones (enaminones) and 1-aryl-3-(dimethylamino)-2-propene-1-thiones (thioenaminones) with hydroxylamine-O-sulfonic acid gave, respectively, isoxazoles in 76-84 percent yields and isothiazoles in 60-65 pe
Lin, Yang-i,Lang, Stanley, A.
p. 4857 - 4860
(2007/10/02)
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