Opening of the Furandione Ring with o-Aminothiophenol: Synthesis of 2H-1,4-Benzothiazine-2,3(4H)-dione
5-Aryl-4-(3-arylquinoxalin-2-yl)furan-2,3-diones react with o-aminothiophenol to form 2H-1,4-benzothiazin-2,3-(4H)-dione and (2Z)-1-aryl-2-[3-arylquinoxalin-2(1H)-ylidene]ethan-1-ones.
Tretyakov,Dmitriev,Shein,Maslivets
p. 716 - 718
(2019/07/19)
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