Studies on azole compounds. IV. Reaction of 2,5-diarylthiazole 3-oxides with acetic anhydride. Isolation of the intermediates, 4,5-diacetoxy-2,5-diaryl-4,5-dihydrothiazoles.
作者:TAKUMI MATSUDA、NORIKO HONJO、MOTOYOSHI YAMAZAKI、YOSHINOBU GOTO
DOI:10.1248/cpb.25.3270
日期:——
The reaction of 2, 5-diarylthiazole 3-oxides (IIa-e) with acetic anhydride was studied. The intermediates of this reaction, 4, 5-diacetoxy-2, 5-diaryl-4, 5-dihydrothiazoles (Va-1-Ve-1, Va-2-Ve-2), were isolated and their structures were determined by their chemical behavior and spectral data.
研究了 2,5-二芳基噻唑 3-氧化物(IIa-e)与乙酸酐的反应。分离出了该反应的中间产物--4, 5-二乙酰氧基-2, 5-二芳基-4, 5-二氢噻唑(Va-1-Ve-1、Va-2-Ve-2),并通过其化学行为和光谱数据确定了它们的结构。