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Structure of pyridazino[3,4-b]quinoxalines — Products of the condensation of substituted o-phenylenediamines with 3,4,6-trichloropyridazine

✍ Scribed by K. F. Turchin; Yu. N. Sheinker; T. V. Kartseva; G. S. Predvoditeleva


Book ID
112348586
Publisher
Springer US
Year
1984
Tongue
English
Weight
465 KB
Volume
20
Category
Article
ISSN
0009-3122

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A phenazine derivative from the condensa
✍ S.E. Drewes; P.C. Coleman 📂 Article 📅 1975 🏛 Elsevier Science 🌐 French ⚖ 107 KB

Condensation of o-phenylenediamine with suitable $-dicarbonyl compounds gives rise to 1,5\_benzodiazepines substituted in the 3-position. Thus the synthesis of 2,3,4-trimethyl-1,5\_benzodiazepine (1) I,2 3 ' has been described. However, all attempts to obtain o-phenylenediamine From this reaction un