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Synthesis of 5-aryl-3-carbazoyl-1,3,4-oxadiazol-2(3H)-one. Derivatives and their ring transformation into 5-benzamido-1,2,4-triazolidine-3,5-dione derivatives

✍ Scribed by René Milcent; Géo Barbier; Tatiana Tzirenstchikow; Luc Lebreton


Book ID
112129184
Publisher
Journal of Heterocyclic Chemistry
Year
1989
Tongue
English
Weight
326 KB
Volume
26
Category
Article
ISSN
0022-152X

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Synthesis of 4-(2-hydroxyphenyl)-1-pheny
✍ François Chau; René Milcent 📂 Article 📅 2000 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 170 KB

## Abstract Four 3‐(3‐benzylidene‐2‐phenylcarbazoyl)‐2(3__H__)‐benzoxazolone derivatives 3 have been synthesized from benzoxazolone derivatives 1 and benzaldehyde __N__‐chloroformylphenylhydrazone 2. By acid hydrolysis, these compounds yielded 3‐(2‐phenylcarbazoyl)‐2(3__H__)benzoxazolone derivative