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(36) General procedure for Cu-NP catalyzed N-arylations of azoles with aryl halides (Table-2): An oven dried
two-necked round bottom flask was charged with aryl halide (1 mmol) and K3PO4 (2 mmol), evacuated and
backfilled with argon. The azole compound (1 mmol) and 2 mL of DMSO were added under argon. After
that Cu-NP (1.6 mmol) was added and the flask was again backfilled with argon. The flask was then
immersed in a preheated oil bath at 800C until the conversion was completed (detected by TLC). The cooled
mixture was partitioned between ethyl acetate (10 mL) and saturated NH4Cl (10 mL). The aqueous layer was
extracted with ethyl acetate (2 x 10 mL), the organic layer was washed with brine (20 mL), dried over
anhydrous Na2SO4 and concentrated in vacuum. The residue was purified by column chromatography on
silica gel using ethyl acetate in hexane (1.5-10%) as eluent to afford the desired product. All the products