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1-Acylamino-1-azadienes as an alternative to 1-dimethylamino-1-azadienes in the preparation of 1,8-diazaanthracene-2,9,10-triones.

✍ Scribed by JoséMaría Pérez; Carmen Avendaño; J. Carlos Menéndez


Book ID
103398118
Publisher
Elsevier Science
Year
1995
Tongue
French
Weight
891 KB
Volume
51
Category
Article
ISSN
0040-4020

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Concise Preparation of 1,8-Diazaanthrace
✍ José Marı́a Pérez; Pilar López- Alvarado; Eva Pascual-Alfonso; Carmen Avendaño; 📂 Article 📅 2000 🏛 Elsevier Science 🌐 French ⚖ 185 KB

AbstractÐTreatment of compounds bearing one or two 1-dimethylamino-1,4-dihydropyridine moieties with the urea-hydrogen peroxide complex (UHP) led to their ef®cient aromatization. Double N-oxidation of 1,8-diazaanthraquinones thus obtained is the ®rst example of a double N-oxidation of a diaza hetero