2005 Benzopyran derivatives R 0350 Heterocyclic Systems Containing Bridge Head Nitrogen Atom: Reaction 5-Mercapto-4H-imidazo[4,5-e][2,1,3]benzothiadiazoles and 5,6-Diami07- 122 of no[2,1,3]benzothiazole with 3-(2-Bromoacetyl)coumarins — [synthesis of heterocycles (VI), (VII) containing both a benzothiadiazole and coumarin ring system based on the title reactions]. — (RAO, V. R.; REDDY, M. M. M.; Phosphorus, Sulfur Silicon Relat. Elem. 179 (2004) 10, 2105-2111; Dep. Chem., Natl. Inst. Technol., Warangal 506 004, India; Eng.) — R. Langenstrassen
1/--страниц