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The cycloaddition of theN-arylmaleimides to aryl(3,4-dihydroisoquinolinium-2-yl)amides

✍ Scribed by S. P. Saik; Yu. B. Koptelov; A. P. Molchanov


Book ID
111460077
Publisher
Springer
Year
2009
Tongue
English
Weight
218 KB
Volume
79
Category
Article
ISSN
1070-3632

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✍ Walid Fathalla; Pavel Pazdera; Jaromír Marek 📂 Article 📅 2002 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 68 KB

## Abstract The model morpholine‐1‐carbothioic acid (2‐phenyl‐3__H__‐quinazolin‐4‐ylidene) amide (1) reacts with phenacyl bromides to afford __N__^4^‐(5‐aryl‐1,3‐oxathiol‐2‐yliden)‐2‐phenylquinazolin‐4‐amines (4) or __N__^4^‐(4,5‐diphenyl‐1,3‐oxathiol‐2‐yliden)‐2‐phenyl‐4‐aminoquinazoline (**5**) b