The extent of corrosion inhibition of macrocyclic crown ether compounds namely 2,14-bis(benzo[d]thiazol-2-yl)-6,7,9,10,17,18,20,21-octahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacy -clo octadecine [BOH] & 2-(6,7,9,10,17,18,20,21-octahydrodibenzo[b,k][1,4,7,10,13,16]hexa oxa cyclooctadecin-2-yl)benzo[d]thiazole [OHB] was investigated experimentally and theoretically on mild steel in 15%...