The fused pyrazolo[2,3-c]pyrano and indole derivative are well known for their therapeutic properties. The present paper describes about the synthesis of pyrazolo[2,3-c]pyrano derivative linked to the indole nucleus (4a-c) were prepared using multi-component reaction (MCRs) . All the newly synthesized compounds were characterized by spectral studies and also by C, H, and N analyses. Anti-oxidant activities were assessed by different methods. The analogs (4a) showed promising antioxidant properties.
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