TABLE 1.

Scope of catalytic performance of the Cu-DF@ASMNP for synthesizing internal alkynes ^a .

Entry	Haloarenes	Product	Yield b (%)	TON c
1		3a	92	115
2		3b	90	113
3 d		3c	88/82 e	110
4		3d	94/90 e	118
5		3e	95	119
6		3f	89/85 e	111
7		3a	84	105
8		3b	86	108
9		3c	80	100
10		3e	88/80 e	110
11		3g	68	85

^aReaction conditions: Haloarene (0.5 mmol), alkynoic acid (0.6 mmol), Cu-DF@ASMNP (25 mg), Cs₂CO₃ (1.0 mmol), toluene (2 ml), 100°C, 12 h, under N₂.

^bGC-MS, yield.

^cTON , Calculated using the 0.3217 mmolg^−1, copper.

^eIsolated yield.

^dReaction was performed on large scale; Haloarene (5 mmol), alkynoic acid (6 mmol), Cu-DF@ASMNP (0.25 g), Cs₂CO₃ (10.0 mmol), toluene (10 ml), 100°C, 12 h, under N₂.