preparation and characterization of sbcl5 supported on coconut shell as nanocatalyst for the synthesis of novel 2-amino-3-phenylsulfonyl-4-aryl-4h-benzo[h]chromens

Pentachlorid antimony supported on coconut shell as an efficient and novel catalyst for one-pot synthesis of 2-amino-3-phenylsulfonyl-4-aryl-4h-benzo[h]chromen through three-component condensation of $$ alpha $$ - naphtol, arylaldehydes and phenylsulfonyl (acetonitrile). nanocatalyst pentachloride antimony supported on coconut shell was manufactured and characterized by ft-ir, tga/dtg, xrd, edx, fesem and tem techniques. the present method has advantages such as high activity, high reaction rate, recoverability of nanocatalyst, a simple experimental procedure, without any using of hazardous organic solvents under green conditions.