<p class=\"MsoNormal\" style=\"margin-bottom: .0001pt; text-align: center; mso-layout-grid-align: none; text-autospace: none;\" align=\"center\"><strong><span style=\"font-size: 14.0pt; line-height: 115%; font-family: \'Times New Roman\',\'serif\'; color: #231f20;\">A mild and environmentally benign Synthesis of Benzimidazoles: Relevance to the pectin hetropolysaccharide as a catalyst&nbsp;</span></strong></p>