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ChemInform Abstract: On the Synthesis of Pyrazino[2,3-b]phenazine and 1H-Imidazo[4,5-b]phenazine Derivatives.

โœ Scribed by Atef M. Amer; Adel A. El-Bahnasawi; Mohamed R. H. Mahran


Publisher
John Wiley and Sons
Year
2010
Weight
30 KB
Volume
31
Category
Article
ISSN
0931-7597

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ChemInform Abstract: Synthesis of 5H-Pyr
โœ J. BERGMAN; H. VALLBERG ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons โš– 29 KB

Synthesis of 5H-Pyrazino(2,3-b)indoles from Indole-2,3-dione Derivatives. -The reaction of the N-acetylisatins (I) with ethylenediamine yields the products (III). After dehydrogenation these compounds and their analogues (IV) after deacetylation are cyclized by heating to the title products (VI). N