Treatment of 6H-1,3,5-oxathiazine S-oxides by Lawesson's reagent (LR) at high temperature furnished 3H-1,2,4-dithiazoles in moderate to good yields. Deoxygenation of 6H-1,3,5-oxathiazine S-oxides was performed by LR in the presence of EtOH. © 2004 Wiley Periodicals, Inc. Heteroatom Chem 15:208–215, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/hc.20011
用
劳森试剂 (LR) 在高温下处理 6H-1,3,5-恶
噻嗪 S-氧化物,以中等至良好的产率提供 3H-1,2,4-二
噻唑。6H-1,3,5-oxathiazine S-氧化物的脱氧在 EtOH 存在下通过 LR 进行。© 2004 Wiley Periodicals, Inc. 杂原子
化学 15:208–215, 2004; 在线发表于 Wiley InterScience (www.interscience.wiley.com)。DOI 10.1002/hc.20011