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A facile synthesis of 5-[(arylamino)(cyano)methylene]-2,2-dimethyl-1,3-dioxane-4,6-diones

✍ Scribed by Moon-Kook Jeon; Kyongtae Kim

Publisher
Elsevier Science
Year
2000
Tongue
French
Weight
130 KB
Volume
41
Category
Article
ISSN
0040-4039

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✦ Synopsis

Treatment of 5-(4-chloro-5H-1,2,3-dithiazol-5-ylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione with primary arylamines in CH 2 Cl 2 at rt gave 5-[(arylamino)(cyano)methylene]-2,2-dimethyl-1,3-dioxane-4,6-diones in excellent yields. The latter compounds were utilized for the preparation of 2-cyano-4-quinolinones.

📜 SIMILAR VOLUMES

5-[(4-Methoxy­phenyl­amino)methyl­ene]-2
5-[(4-Methoxy­phenyl­amino)methyl­ene]-2,2-dimethyl-1,3-dioxane-4,6-dione
✍ Silva, Luiz Everson da ;Joussef, Antonio Carlos ;Nunes, Ricardo José ;Andrighett 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 222 KB

In the title compound, C 14 H 15 NO 5 , the 1,3-dioxane-4,6-dione ring exhibits a half-chair conformation. The amino H atom has one intra-and one intermolecular contact to carbonyl O atoms, with OÁ Á ÁH distances of 2.11 (2) and 2.31 (2) A ˚.