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Chapter 26: Q 7. (page 1057)

Draw the coupling product formed when each pair of compounds is treated with Pd(OAc)2, P(o-tolyl)3, and Et3N.

Short Answer

Expert verified

Answer

a.

b.

c.

d.

Step by step solution

01

Heck reaction

The organic reaction involving the coupling of an aryl or vinyl halide with an alkene catalyzed by palladium to form an alkene with a new C-C bond is known as the 鈥楬eck reaction.鈥�

The reaction occur in the presence of a catalyst such as palladium (II), acetate in the presence of triaryl phosphine, and a base such as triethylamine.

02

Products

The following products are formed in the given reactions:

a.

Coupling product of a.

b.

Coupling product of b.

c.

Coupling product of c.

d.

Coupling product of d.

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Most popular questions from this chapter

Draw the product formed from the ring-closing metathesis of each compound. Then, devisea synthesis of each metathesis starting material using any of the following compounds: CH2(CO2Et)2, alcohols with less than five carbons, and any needed organic and inorganicreagents.

a.

b.

Draw the products formed in each reaction.

a.

b.

c.

d.

e.

f.

g.

h.

What starting material is needed to synthesize each compound by a ring-closing metathesis reaction?

a.

b.

c.

What product is formed by ring-closing metathesis of compound V, a key intermediate in the synthesis of ingenol, a natural product mentioned in the chapter opener?

What product is formed when each alkene is treated with and Zn(Cu)?

a.

b.

c.
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