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Chapter 15: Q70P (page 735)

What reagent should be used to carry out the following reaction?

Short Answer

Expert verified

The reagent used is benzoyl chloride

Step by step solution

01

Reagent

The substances are added in the reaction which makes the react to form the desirable product-specific reagent used for each and every reaction depending upon the desired product.

02

Reagent used in the given reaction

The reagent used in the given reaction is the benzoyl chloride with reacts with the 3-ethanol acetophenone and formed the desired product by the removal of HCl as shown below:

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Most popular questions from this chapter

Problem:Show how each of the following esters could be prepared using a carboxylic acid as one of the startingmaterials:

a. methyl butyrate (odor of apples) b. octyl acetate (odor of oranges)

Problem:Show how each of the following esters could be prepared using a carboxylic acid as one of the startingmaterials:

a. methyl butyrate (odor of apples) b. octyl acetate (odor of oranges)

1,4-Diazabicyclo [2.2.2] octane (abbreviated DABCO) is a tertiary amine that catalyzes transesterification reactions. Explain how it does this.

Information about the mechanism of the reaction undergone by a series of substituted benzenes can be obtained by plotting logarithm of the observed rate constant determined at particular pH against the Hammett substituent constantσ for the particular substituent. The σvalue for hydrogen is zero. Electron-donating substituents have negativeσ values; the more strongly electron withdrawing the substituent, the more positiveits s value. The slope of a plot of the logarithm of the rate constant σversusis called theρ (rho) value. The ρvalue for the hydroxide-ion-promoted hydrolysis of a series of meta- and para-substituted ethyl

benzoates is +2.46; theρ value for amide formation for the reaction of a series of meta- and para-substituted anilines with benzoyl chloride is -2.78.

  1. Why doesone set of experiments give a positive role="math" localid="1652525783964" ρvalue, whereas the other set of experiments gives a negativeρ value?
  2. Why were ortho-substituted compounds not included in the experiment?
  3. What do you predict the sign of theρ value to be for the ionization of a series of meta- and para-substituted benzoic acids?

Problem:What acyl chloride and amine are required to synthesize the following amides?

a. N-ethylbutanamide b. N,N-dimethylbenzamide

Problem:D. N. Kursanov, a Russian chemist, proved that the bond that is broken in the hydroxide-ion-promoted hydrolysis of an ester is the acyl C-O bond, rather than the alkyl C-O bond, by studying the hydrolysis

of the following ester under basic conditions:

a. What products contained the label?

b. What product would have contained the label if the alkyl C-O bond had broken?
See all solutions

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