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Synthesis of 3-(alkylamino and anilino)-4-benzyloxycarbonyl-1H-pyrrole-2,5-diones via 5-[(alkylamino and anilino)(cyano)]-2,2-dimethyl-1,3-dioxane-4,6-diones

โœ Scribed by Moon-Kook Jeon; Kyongtae Kim


Publisher
Elsevier Science
Year
2002
Tongue
French
Weight
68 KB
Volume
43
Category
Article
ISSN
0040-4039

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โœฆ Synopsis


Treatment of [(alkylamino and anilino)(cyano)methylene]-2,2-dimethyl-1,3-dioxane-4,6-diones with benzyl alcohol for 20 min at reflux gave 3-(alkylamino and anilino)-4-benzyloxycarbonylmaleimides.


๐Ÿ“œ SIMILAR VOLUMES


A facile synthesis of 5-[(arylamino)(cya
โœ Moon-Kook Jeon; Kyongtae Kim ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 130 KB

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-quino