35. Transition Metals

Determine the product from the following Suzuki Reaction.

Predict the structures of organoborane compound A and coupling product B in the following reaction sequence.

Beginning from 1-pentyne, synthesize the following compound via a Suzuki Coupling Reaction.

What aryl or vinylic halides would you use to synthesize the following compounds, using the alkenylorganoboron compound shown here?

c.

What are the products of the following reactions?

d.

What are the products of the following reactions?

b.

Show how the Suzuki and/or Heck reactions can be used to prepare the following compounds:

a.

What is the product of each of the following reactions?

a.

What are the products of the following reactions?

e.

Using ethynylcyclohexane as a starting material and any other needed reagents, how can the following compounds be synthesized?

a.

What is the product of each of the following reactions?

b.

What products would you expect from the following Suzuki coupling reactions?

(b)

What products would you expect from the following Suzuki coupling reactions?

(a)

Show how you would use a Suzuki reaction to synthesize the following biaryl compound. As starting materials, you may use the two indicated compounds, plus any additional reagents you need.