Mononuclear heterocyclic rearrangement. Note I. Kinetic study of the rearrangement of the phenylhydrazone of 3‐benzoyl‐5‐phenyl‐1,2,4‐oxadiazole into 2,5‐diphenyl‐4‐benzoylamino‐1,2,3‐triazole | Zendy

Spinelli Domenico | Zendy; Corrao Anlonino | Zendy; Frenna Vincenzo | Zendy; VivoicolÒ | Zendy; Ruccia Michele | Zendy; Cusmano Giuseppe | Zendy

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Mononuclear heterocyclic rearrangement. Note I. Kinetic study of the rearrangement of the phenylhydrazone of 3‐benzoyl‐5‐phenyl‐1,2,4‐oxadiazole into 2,5‐diphenyl‐4‐benzoylamino‐1,2,3‐triazole

Author(s) -

Spinelli Domenico,

Corrao Anlonino,

Frenna Vincenzo,

VivoicolÒ,

Ruccia Michele,

Cusmano Giuseppe

Publication year - 1976

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.5570130229

Subject(s) - chemistry , oxadiazole , medicinal chemistry , base (topology) , triazole , catalysis , kinetic energy , stereochemistry , organic chemistry , quantum mechanics , mathematical analysis , physics , mathematics

The rates of the mononuclear heterocyclic rearrangement of the phenylhydrazone of 3‐benzoyl‐5‐phenyl‐1,2,4‐oxadiazole (1) into 2,5‐diphenyl‐4‐benzoylamino‐1,2,3‐triazole (II) have heen measured in dioxane/water (50:50, v:v) in the range of p S + 3.8–12.2 at various temperatures and the activation parameters determined. On the basis of the results obtained, we present evidence for the occurrence of two different types of reaction: the first, base‐catalyzed; the second, p S + ‐independent. In the base‐catalyzed range the catalysis is of the general type.

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