What substituted alkene would you use in the Heck reaction

What substituted alkene would you use in the Heck reaction to make the following products?

\(\mathrm{CH}_{3}\)

\(\frac{P d(O A c)_{2}}{P P h_{3}, E t_{3} N}\)

\(\mathrm{OCH}_{3}\)

\(B r+? \frac{P d(O A c)_{2}}{P P h_{3}, E t_{3} N}\)

Equation transcription:

Text transcription:

{CH}{3}

frac{P d(O A c){2}}{P P h{3}, E t{3} N}

{OCH}{3}

B r+? frac{P d(O A c){2}}{P P h{3}, E t{3} N}