Substrate tolerance of various alkynes over CuO/CNF nanocatalyst^a.

Entry	Alkyne	Product	Conv.b (%)
1			96 (93)c
2			93 (89)c
3			85 (79)c
4			88 (82)c
5			91 (85)c
6			86 (81)c
7			85 (83)c
8			91 (87)c
9			89 (84)c
10			74
11			97
12			86 (81)c

^aExperimental conditions: alkyne (1 mmol), B₂Pin₂ (1.2 mmol), CuO/CNF (2 mg), base (10 mol%), methanol (1 mL) under argon, 40 °C, 12 h.

^bConversion determined by GC-MS.

^cIsolated yield.