1: 2-bromo-5-methoxy benzoic acid With borane in tetrahydrofuran
2: benzyl bromide With tetra-(n-butyl)ammonium iodide; sodium hydride
3: vinylboronic acid dibutyl ester With sodium ethanolate; tetrakis(triphenylphosphine) palladium(0)
Suzuki reaction; Title compound not separated from byproducts;