Problem 60

Question

Draw the isomer(s) specified. There may be more than one possible isomer for each part. a. a cyclic compound that is an isomer of trans-2-butene b. an ester that is an isomer of propanoic acid c. a ketone that is an isomer of butanal d. a secondary amine that is an isomer of butylamine e. a tertiary amine that is an isomer of butylamine f. an ether that is an isomer of 2 -methyl-2-propanol g. a secondary alcohol that is an isomer of 2-methyl-2-propanol

Step-by-Step Solution

Verified
Answer
a. Cyclobutane: \(Cyclobutane: H H H \|/ H-C-C-H /|\ H H H \) b. Methyl ethanoate: \( O ||\ H3C - O - C - H \ H \) c. Butanone: \( H H O |/\ H-C-C=C \ H \) d. N-methylpropylamine: \( H H | | H H H C - N - C - H | \ H \ H \) e. N,N-dimethylethylamine: \( H H | | H H H C - N - C - H | \ H \ H \) f. Methyl propyl ether: \( H H H | | \ H3C - O - C - H \ H \) g. 2-butanol: \( H H O |/\ H H C-C-C-H \ H \)
1Step 1: Draw trans-2-butene structure
Draw trans-2-butene, which has the molecular formula C4H8: H H H \ / C = C - C - H / H
2Step 2: Draw the cyclic compound isomer
Draw the cyclic compound isomer, which is cyclobutane: H H H \|/ H-C-C-H /|\ H H H b. An ester that is an isomer of propanoic acid:
3Step 1: Draw propanoic acid structure
Draw propanoic acid, which has the molecular formula C3H6O2: H H O |/\ H-C-C=C \ OH
4Step 2: Draw the ester isomer
Draw the ester isomer, which is methyl ethanoate: O ||\ H3C - O - C - H \ H c. A ketone that is an isomer of butanal:
5Step 1: Draw butanal structure
Draw butanal, which has the molecular formula C4H8O: O || C - H \ C - H \ C - H \ C - H \ H
6Step 2: Draw the ketone isomer
Draw the ketone isomer, which is butanone: H H O |/\ H-C-C=C \ H d. A secondary amine that is an isomer of butylamine:
7Step 1: Draw butylamine structure
Draw butylamine, which has the molecular formula C4H11N: H | H H H N H |/ / H-C-C-C-C-H \ H
8Step 2: Draw the secondary amine isomer
Draw the secondary amine isomer, which is N-methylpropylamine: H H | | H H H C - N - C - H | \ H \ H e. A tertiary amine that is an isomer of butylamine:
9Step 1: Draw butylamine structure
Use the structure of butylamine shown in Step 1 of part d.
10Step 2: Draw the tertiary amine isomer
Draw the tertiary amine isomer, which is N,N-dimethylethylamine: H H | | H H H C - N - C - H | \ H \ H f. An ether that is an isomer of 2-methyl-2-propanol:
11Step 1: Draw 2-methyl-2-propanol structure
Draw 2-methyl-2-propanol, which has the molecular formula C4H10O: H H O |/\ H H C-C-C-H \ H
12Step 2: Draw the ether isomer
Draw the ether isomer, which is methyl propyl ether: H H H | | \ H3C - O - C - H \ H g. A secondary alcohol that is an isomer of 2-methyl-2-propanol:
13Step 1: Draw 2-methyl-2-propanol structure
Use the structure of 2-methyl-2-propanol already drawn in step 1 of part f.
14Step 2: Draw the secondary alcohol isomer
Draw the secondary alcohol isomer, which is 2-butanol: H H O |/\ H H C-C-C-H \ H