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Table 5 Comparison of catalytic activity of nano Fe3O4@ PAA-SO3H with other reported catalysts for the synthesis 1,3-thiazoles

From: Crosslinked sulfonated polyacrylamide (Cross-PAA-SO3H) tethered to nano-Fe3O4 as a superior catalyst for the synthesis of 1,3-thiazoles

Entry Catalyst (condition) Time (min) Yielda, % [Refs]
1 Bi(SCH2COOH)3 (15 mol%, 70 °C) 180 80 [7]
2 Yb(OTf)3 (15 mol%) 240 60 [9]
2 2-pyridinecarboxaldehyde oxime (20 mol%, DMF) 400 85 [10]
3 potassium iodide (10 mol%, CH3OH) 400 80 [11]
4 Nano Fe3O4@ PAA-SO3H (7 mg, EtOH (under reflux condition) 150 94 This work
  1. aIsolated yield