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Exam 17: Aromatic Compounds

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Question 21

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For disubstituted benzene derivatives, the descriptors ortho, meta, para are used when the parent is usually a ________.

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verified

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Question 22

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Predict the product for the following reaction.

A) I
B) II
C) III
D) IV
E) V

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Question 23

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What is the structure for 1,3-diphenylbutane?

Give the common name for anisole.

What is the IUPAC name for the following compound?

What is the correct order of the names for the following compound?

Provide a stepwise synthesis for the following.

Provide the reagents necessary to carry out the following conversion.

Classify the following compounds as aromatic, antiaromatic, or nonaromatic. Explain your choice.

Provide a structure for the compound with molecular formula C₉H₁₂ and with the following spectroscopic data. ¹H NMR: 1.2 $\delta$ (doublet, 6H), 3.0 $\delta$ (septet, 1H), 7.1 $\delta$ (multiplet, 5H)

The three isomers of dimethylbenzene are commonly named o-xylene, m-xylene, p-xylene. These three isomers are difficult to distinguish using ¹H NMR, but they can be easily identified using ¹³C NMR. Describe how ¹³C NMR distinguishes these three isomers.

Predict the product for the following reaction.

Identify the aromatic hydrocarbon with the highest stabilization energy.

Classify the following compound as aromatic, antiaromatic, or nonaromatic. Explain your choice.

The following compound shows signals at 190.7, 140.9, 134.8, 130.9 and 129.5 $\delta$ in its broadband decoupled C-13 spectrum. Assign the signals to the appropriate carbon atoms.

Provide a structure for the compound with molecular formula C₉H₉ClO and with the following spectroscopic data. IR: 1680 cm^{−1 1}H NMR: 3.5 $\delta$ (triplet, 2H), 4.0 $\delta$ (triplet, 2H), 7.4 $\delta$ (triplet, 2H), 7.6 $\delta$ (triplet, 1H), 7.9 $\delta$ (doublet, 2H)

Provide the reagents necessary to carry out the following conversion.

Predict the product for the following reaction.

Predict the product for the following reaction.

What is the IUPAC name for the following compound?