Chapter 22: Q36E (page 752)
Heating carvone with aqueous sulfuric acid converts it into carvacrol. Propose a mechanism for the isomerization.
Chapter 22: Q36E (page 752)
Heating carvone with aqueous sulfuric acid converts it into carvacrol. Propose a mechanism for the isomerization.
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Get started for freeQuestion: Identify the most acidic Hydrogens in each of the following molecules:
(a)CH3CH2CHO
(b)(CH3)3CCOCH3
(c)CH3CO2H
(d)Benzamide
(e)CH3CH2CH2CN
(f)CH3CON(CH3)2
If methanol rather than water is added at the end of a Hell–Volhard–Zelinskii reaction, an ester rather than an acid is produced. Show how you would carry out the following transformation, and propose a mechanism for the ester forming step.
Draw structures for all monoenol forms of the following molecule. Which would you expect to be the most stable? Explain.
Sodium pentothal is a short-acting barbiturate derivative used as a general anesthetic and known as a truth serum in popular culture. It is synthesized like other barbiturates (see the Something Extra at the end of this chapter), using thiourea, (H2N)2C=S, in place of urea. How would you synthesize sodium pentothal?
Show how you might prepare the following compounds using an alkylation reaction as the key step:
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