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The diversified bis-isoquinolinones were obtained in two steps, utilizing homophthalic acid and various acid chlorides providing 3-substituted isocoumarins in the first step which on further condensation with 1,7-heptadiamine involving C–N bond formation from the lactone in the presence of 10 mol% zinc oxide nanoparticles (ZnO NPs) (<150 nm) afforded the desired bis-isoquinolinones in high yield and purity. The synthesized compounds were then characterized using FTIR,1H NMR,13C NMR, and HRMS techniques.
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Journal | The Scientific World Journal |
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Publisher | Hindawi Limited |
ISSN | 1537744X |
Open Access | Yes |