Table 6.

Ene-yne reaction of (1-(prop-1-en-2-yl-methoxy)prop-2-yne-1,1-diyl)dibenzene (16) with 5 mol% of 4a–e at 80 °C (monitored by GC) after 6 and 24 h.

Catalyst	Conversion (%)
	After 6 h	After 24 h
4a	88	99
4b	15	42
4c	94	97
4d	94	98
4e	74	98