Silica sulphuric acid: An efficient reusable, heterogeneous acidic media for synthesis of flavones (2-aryl-4h-chromen-4-one) by cyclocondensation of o-hydroxyphenyl aryl-1, 3- propanediones
In silico design, synthesis and bioactivity of N-(2, 4-dinitrophenyl)-3-oxo-3-phenyl-N-(aryl) phenyl propanamide derivatives as breast cancer inhibitors