Table 1. Optimizing C–O Cross-Coupling of (E)-Vinylic Iodide 5 with Alcohol 8 to Give (E)-Vinylic Ether 9.
o-Xylene solvent at 120 °C in entry 1; tetraglyme solvent at 75–80 °C in entries 2–3; and DME solvent in entries 4–7.
Produced 1.05 g (2.6 mmol) of (E)-vinylic ether 9.
With (E)-1-bromo-1-decene (1 equiv).