Unanticipated Heterocyclization from Reaction of Hydrazine Hydrate and/or Hydrazine Dihydrochloride with 1-Ethyl-4-hydroxyquinolin-2(1H)- one
Hassan, Heba;
Abstract
Unexpectedly, the reaction of 1-ethyl-4-hydroxyquinolin-2(1H)-one (1) with hydrazine hydrate and/or
hydrazine dihydrochloride led to three different products. In addition to the expected quninolinylhydrazine,
two heteropentacycles, diquinopyrrole and diquinopyridazine, were afforded, depending on reaction conditions.
The structure of the new products was established upon their spectral and analytical data.
hydrazine dihydrochloride led to three different products. In addition to the expected quninolinylhydrazine,
two heteropentacycles, diquinopyrrole and diquinopyridazine, were afforded, depending on reaction conditions.
The structure of the new products was established upon their spectral and analytical data.
Other data
| Title | Unanticipated Heterocyclization from Reaction of Hydrazine Hydrate and/or Hydrazine Dihydrochloride with 1-Ethyl-4-hydroxyquinolin-2(1H)- one | Authors | Hassan, Heba | Issue Date | 16-Dec-2018 | Journal | Journal of Heterocyclic Chemistry | Volume | 56 | Start page | 646 | DOI | 10.1002/jhet.3443 |
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