Reactions of 1, 1-dimethyl-4-substituted semicarbazides with phosgene

…, EJ Evain, RD Willett, JT Blanchette

文献索引：Cooley, James H.; Evain, Eric J.; Willett, Roger D.; Blanchette, Joan T. Journal of Organic Chemistry, 1989 , vol. 54, # 5 p. 1048 - 1051

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被引用次数: 13

摘要

A2-1, 2, 4-triazolin-5-one, 4. An investigation into the reaction pathway led to the surprising find that when 1 equiv of phosgene was allowed to react with 3, 4-(dimethylamino)-l-methyl- 3-(phenylamino)-5-(phenyl-imino)-A2-1, 2, 4-triao~ ne, 9, was obtained. Pathways for the formation of producta 4 and 9 involved the conversion of 3 into an N-(dimethylamino) carbodiimide, 10. In the formation of 4, the carbodiimide reacted with excess phosgene ...