Table 4. Alkenol scope ^a .

^aReaction conditions from Table 1, entry 2 were used unless otherwise noted.

^bReaction run in PhCF₃ at 120 °C.

^cReaction run with 10 mol% Cu(OTf)₂, 12 mol% 1,10-phenanthroline.

^dReaction run for 48 h.