Chem. J. Chinese Universities ›› 1986, Vol. 7 ›› Issue (2): 144.
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Cao Zhiquan
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Abstract: Ethyl-3-methylmercapto-5-hydroxy-1,2,4-triazine-6-carboxylate was treated in dry ice with Tscl to form ethyl N4-(5'-(3'-methylmercapto-6'-ethylcarboxylate)-1' ,2/,4/-triazinyl)-3-methylmercapto-5-oxo-4,5-dihydro-1 , 2,4-triazine-6-carboxy-late(Ⅳ).Compound (Ⅳ) reacted with a series of aliphatic and aromatic amines in etha-nol, and Ⅳa-b, Ⅶa-b, Ⅷa-c and Ⅸa-c were obtained respectively.
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Cao Zhiquan . Study of 1,2,4-Triazines—The Synthesis of 3-Methymercapto-5-Substituted Amino-1,2,4-Triazine-6-Carboxylic Acid Derivatives[J]. Chem. J. Chinese Universities, 1986, 7(2): 144.
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http://www.cjcu.jlu.edu.cn/EN/Y1986/V7/I2/144
