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Chapter 29: Question 30.30 (page 1152)

Draw each polymer in Problem 30.29 using the shorthand representation shown in Figure 30.2.

Short Answer

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Answer

Step by step solution

01

Polymer

Polymers are formed by the addition/condensation of monomer units that form large/long-chain molecules.Polymers are also said to be macromolecules i.e. higher molecular mass.

02

Structure of polymer

In the above question, there are 4 polymers in chain form. We have to represent them in shorthand form.

The monomer of this polymer is ethyl acetoacetate.

Structure of ethyl acetoacetate polymer

The monomer of this polymer is amino cyclohexane carboxylic acid.

Structure of amino cyclohexane carboxylic acid polymer

The monomer of this polymer is 2, 2-dimethyl butane carboxyl.

Structure of 2, 2-dimethyl butane carboxyl polymer

The monomer of this polymer is 1, 3-propandiol.

Structure of 1, 3-propandiol polymer

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Most popular questions from this chapter

Another method to form a peptide bond involves a two-step process:

[1] Conversion of a Boc-protected amino acid to a -nitrophenyl ester.

[2] Reaction of the -nitrophenyl ester with an amino acid ester

  1. Why does a -nitrophenyl ester “activate” the carboxy group of the first amino acid to amide formation?
  2. Would a -methoxyphenyl ester perform the same function? Why or why not?

Draw the organic products formed in each reaction.

a.

b.

Outline the steps needed to synthesize the tetrapeptideAla–Leu–Ile–Gly using the Merrifield technique.

Question: Identify A and B, isomers of molecular formula \({{\bf{C}}_{\bf{3}}}{{\bf{H}}_{\bf{4}}}{\bf{C}}{{\bf{l}}_{\bf{2}}}\), from the given \({}^{\bf{1}}{\bf{H}}\)NMR data: Compound A exhibits signals at 1.75 (doublet, 3H,\({\bf{J = 6}}{\bf{.9 Hz}}\)) and 5.89 (quartet, \({}^{\bf{1}}{\bf{H}}\),\({\bf{J = 6}}{\bf{.9 Hz}}\)) ppm. Compound B exhibits signals at 4.16 (singlet, 2 H), 5.42 (doublet, \({}^{\bf{1}}{\bf{H}}\),\({\bf{J = 1}}{\bf{.9 Hz}}\)), and 5.59 (doublet, \({}^{\bf{1}}{\bf{H}}\), \({\bf{J = 1}}{\bf{.9 Hz}}\)) ppm.

Question: Identify the nucleophile and the electrophile in the following acid–base reactions:
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