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Reaction of 1-amino-, 2-amino-, and 1,2-diaminoimidazoles withβ-diketones

✍ Scribed by G. M. Golubushina; G. N. Poshtaruk; V. A. Chuiguk

Book ID
112331770
Publisher
Springer US
Year
1974
Tongue
English
Weight
484 KB
Volume
10
Category
Article
ISSN
0009-3122

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Reactions of 4-chloro-5h-1,2,3-dithiazol
Reactions of 4-chloro-5h-1,2,3-dithiazole-5-thione with α,β-unsaturated β-amino esters: Formation of 2-[2-(1-alkenylsulfanyl-1-alkoxycarbonyl-2-amino)-1,2-dicyano-vinylsulfanyl]-3-amino-2-alkenoic alkyl esters
✍ Yong-Goo Chang; Kyongtae Kim; Yung Ja Park 📂 Article 📅 2002 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 97 KB

## Abstract Treatment of 4‐chloro‐5__H__‐1,2,3‐dithiazole‐5‐thione with alkyl 3‐alkyl (or aryl)‐3‐amino‐2‐propenoates in the presence of pyridine (2 equivalents) in dichloromethane at reflux gave 2‐[2‐(1‐alkenylsulfanyl‐1‐alkoxy‐carbonyl‐2‐amino)‐1,2‐dicyanovinylsulfanyl]‐**4** and‐1,2‐dicyanovinyl