Thermal ring transformation of 5‐aryl‐2‐carbazoyl‐1,2,3,4‐tetrazole derivatives | Zendy

Milcent René | Zendy; Barbier Géo | Zendy

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Thermal ring transformation of 5‐aryl‐2‐carbazoyl‐1,2,3,4‐tetrazole derivatives

Author(s) -

Milcent René,

Barbier Géo

Publication year - 1987

Publication title -

journal of heterocyclic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.321

H-Index - 59

eISSN - 1943-5193

pISSN - 0022-152X

DOI - 10.1002/jhet.5570240459

Subject(s) - chemistry , benzonitrile , aryl , tetrazole , ring (chemistry) , molecule , chemical transformation , transformation (genetics) , medicinal chemistry , organic chemistry , biochemistry , alkyl , gene

Unstable 5‐aryl‐2‐(3‐benzylidene‐2‐phenylcarbazoyl)‐1,2,3,4‐tetrazoles 8 have been prepared. By thermal ring transformation, they gave 5‐aryl‐2‐(2‐benzylidene‐1‐phenylhydrazino)‐1,3,4‐oxadiazoles 9. , Hydrazinolysis of 9 afforded 5‐aryl‐2‐(1‐phenylhydrazino)‐1,3,4‐oxadiazoles 10. Elimination of a molecule of benzonitrile from 9 on heating converted them into 2‐anilino‐5‐aryl‐1,3,4‐oxadiazoles 11.

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