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Prototropic equilibrium in 1(11)H-2, 3, 4, 5-tetrahydro[1, 3]diazepino[1, 2-a]benzimidazole, synthesis and pharmacological properties of its N-substituted derivatives
Based on the X-ray crystallography and 1 H NMR spectroscopy data and quantum chemical studies, it was found that 1(11) H -2, 3, 4, 5-tetrahydro[1,...
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Synthesis of Pyrrolo[l,2-a]quinoxalines
Derivatives of pyrrolo[1,2-a]quinoxalines (Fig. 3.1) have valuable characteristics and, in particular, marked biological activity and are a subject... -
Pyrrolo[1,2-a]quinoxalines based on pyrroles (Review)
Published data on methods for the synthesis of pyrrolo[1,2- a ]quinoxalines, based on derivatives of pyrroles and also on compounds not originally...
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Synthesis of 1(11)H-2,3,4,5-tetrahydro[1,3]diazepino[1,2-a]benzimidazole starting from benzimidazole-2-sulfonic acid. Intramolecular cyclization of 2-(δ-chlorobutylamino)benzimidazole
The intramolecular cyclization of 2-(δ-chlorobutylamino)benzimidazole ( 3c ) follows the unusual pathway involving the predominant attack on the...