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Chapter 17: Q28P (page 883)

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

Short Answer

Expert verified

⦁ The substituted alkene used in the first reaction is

⦁ The substituted alkene used in the second reaction is

Step by step solution

01

Heck Reaction

Heck reaction is the palladium-catalyzed cross-coupling of alkene to arene or other alkenes. This reaction follows a catalytic cycle mechanism around the role of palladium.

Heck reaction has a relatively high functional group tolerance, which means the other sidereaction doesn't happen with a palladium catalyst.

02

Subpart (a) Alkene used to get the desired product:

In the product, the methyl acrylate alkene is coupled with the reactant in presence of a palladium catalyst to get the desired product.

Here, methyl acrylate forms the desired product.

03

Subpart (b) Alkene is used get the desired product:

The acrylonitrile alkene is coupled with the reactant in presence of a palladium catalyst to get the desired product.

Here, Acrylonitrile alkene forms the desired product.

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Most popular questions from this chapter

What products would you expect from the following reactions?

Indane can undergo free-radical chlorination at any of the alkyl positions on the aliphatic ring.

indane

  1. Draw the possible monochlorinated products from this reaction.
  2. Draw the possible dichlorinated products from this reaction.
  3. What instrumental technique would be most helpful for determining how many products are formed, and how many of those products are monochlorinated and how many are dichlorinated?
  4. Once the products have been separated, what instrumental technique would be most helpful for determining the structures of all the dichlorinated products?

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