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Reactions of ?-imino-nitriles and -esters with carbon disulphide. A new synthesis and some reactions of 2-cyano-3-imino-dithiocarboxylic acids

✍ Scribed by Muraoka, Motomu; Yamamoto, Tatsuo; Yamaguchi, Sadaki; Tonosaki, Fumio; Takeshima, Tatsuo; Fukada, Naoaki


Book ID
120933055
Publisher
Royal Society of Chemistry
Year
1977
Weight
955 KB
Volume
11
Category
Article
ISSN
1472-7781

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✍ Virginija Jakubkiene; Zana Kacnova; Milda M. Burbuliene; Povilas Vainilavicius 📂 Article 📅 2008 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 360 KB

## Abstract magnified image [2‐Alkylthio‐6‐methyl‐4‐oxopyrimidin‐3(4__H__)‐yl]acetonitriles (**3‐5**) treated with sodium methoxide in methanol followed by ammonium chloride were cyclized to 2‐imino‐7‐methyl‐2,3‐dihydroimidazo[1,2‐__a__]‐pyrimidin‐5(1__H__)‐ones (**6‐8**). Under acid or base‐catal