𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Synthesis of new quinoxalinophenazinediones and tetrahydrobenzodipyrrolotetrones of biological interest

✍ Scribed by Ahmed S. Hammam; Mohamed S. K. Youssef; Ferial M. Atta; Thana A. Mohamed

Book ID
111491125
Publisher
Versita
Year
2008
Tongue
English
Weight
263 KB
Volume
62
Category
Article
ISSN
0366-6352

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

The reaction of two equivalents of sodium azide with diarylaminodibromo-p-benzoquinone (I) in DMF for 15–24 h produced quinoxalinophenazinediones together with a byproduct identified as diarylaminodiaminobenzoquinone. On the other hand, the reaction of bromanil with active methylenes, such as diethyl malonate and ethyl acetoacetate, resulted in disubstitution products which, on treatment with primary amines, cyclized into benzodipyrroletetrones. Comparative antifungal and antibacterial studies were made.

πŸ“œ SIMILAR VOLUMES

Synthesis of new triphenodithiazine- and
Synthesis of new triphenodithiazine- and indolocarbazolediones of biological interest
✍ A. S. Hammam; M. S. K. Youssef; F. M. Atta; Th. A. Mohamed πŸ“‚ Article πŸ“… 2007 πŸ› Versita 🌐 English βš– 185 KB

## Abstract Tetrabromo-p-benzoquinone reacted with excess aromatic amines to give 2,5-dirylamino-3,6-dibromo-p-benzoquinones. The latter molecules on heating with sodium sulfide in alcohol in the presence of air gave triphenodithiazinediones. Heating with copper powder in nitrobenzene transformed t

Synthesis of new arylidencycloalkylpyraz
Synthesis of new arylidencycloalkylpyrazoles of potential biological interest
✍ M. C. Cardia; E. Maccioni; L. Bonsignore πŸ“‚ Article πŸ“… 2003 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 55 KB

## Abstract Indazoles and pyrazoles are known to be pharmaceutically relevant molecules. In particular their application as both analgesic and antitumoral drugs has been reported. In order to investigate the properties of compounds belonging to these families, we have synthesised new cycloalkylpyra