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Paper | Regular issue | Vol 51, No. 11, 1999, pp.2653-2666
Published online, 1st January, 1970
DOI: 10.3987/COM-99-8666
A Facile Synthesis of N-Arylcyanoformamidoximes, 4-Aryl-3-cyano-1,2,4-oxadiazin-5(6H)-ones, 2-Cyanoquinazoline-3-oxides, and 2-Cyanoquinazolines via 5-Arylimino-4-chloro-5H-1,2,3-dithiazoles

Yong-Goo Chang and Kyongtae Kim*

*Department of Chemistry, Seoul National University, San 56-1, Shillim-Dong, Kwanak-Gu, Seoul 151-742, Korea


The reaction of 5-arylimino-4-chloro-5H-1,2,3-dithiazoles with hydroxylamine hydrochloride in pyridine at room temperature gave N-arylcyanoformamidoximes, which were utilized as starting materials for the synthesis of 4-alkyl- (or aryl)-2-cyanoquinazolines and 4-aryl-3-cyano-1,2,4-oxadiazin-5(6H)-ones.