Bis (1, 3, 4-thiadiazolo)-1, 3, 5-triazinium Halides. 2. Intramolecular Ring Transformation and Synthesis of Novel Highly Substituted Guanidines||

…, M Walther, W Günther, H Görls, E Anders

文献索引：Anders, Ernst; Tropsch, Juergen G. Bulletin des Societes Chimiques Belges, 1987 , vol. 96, # 9 p. 719 - 720

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被引用次数: 21

摘要

Bis (1, 3, 4-thiadiazolo)-1, 3, 5-triazinium halides 6 can be easily attacked by nucleophiles at either the C (3a) or the C (4a) position of the central six-membered (cationic) ring. Nucleophilic attack leads to at least two reaction channels, one of which has been