ORGANIC CHEM.(LL)W/STD GDE.+CONNECT PKG
5th Edition
ISBN: 9781260858129
Author: SMITH
Publisher: MCG
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Chapter 13, Problem 13.62P
Oxidation of citronellol, a constituent of rose and geranium oils, with PCC in the presence of added
(a) Identify the structures of A and B
(b) Draw a mechanism for the conversion of citronellol to isopulegone.
(c) Draw a mechanism for the conversion of isopulegone to
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Oxidation of citronellol, a constituent of rose and geranium oils, with PCC in the presence of added NaOCOCH3 forms compound A. A has a molecular ion in its mass spectrum at 154 and a strong peak in its IR spectrum at 1730 cm−1, in addition to C—H stretching absorptions. Without added NaOCOCH3, oxidation of citronellol with PCC yields isopulegone, which is then converted to B with aqueous base. B has a molecular ion at 152 and a peak in its IR spectrum at 1680 cm−1, in addition to C—H stretching absorptions.a.Identify the structures of A and B.
b.Draw a mechanism for the conversion of citronellol to isopulegone.
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Chapter 13 Solutions
ORGANIC CHEM.(LL)W/STD GDE.+CONNECT PKG
Ch. 13 - What is the mass of the molecular ion formed from...Ch. 13 - Prob. 13.2PCh. 13 - Use the following information to propose a...Ch. 13 - Prob. 13.4PCh. 13 - What molecular ions would you expect for the...Ch. 13 - The mass spectrum of 2,3-dimethylpentane also...Ch. 13 - The base peak in the mass spectrum of 2, 2,...Ch. 13 - (a) What mass spectral fragments are formed by ...Ch. 13 - What cations are formed in the mass spectrometer...Ch. 13 - The low-resolution mass spectrum of an unknown...
Ch. 13 - Benzene, toluene, and p-xylene BTX are often added...Ch. 13 - Prob. 13.12PCh. 13 - Prob. 13.13PCh. 13 - Prob. 13.14PCh. 13 - Prob. 13.15PCh. 13 - How do the IR spectra of the isomers cyclopentane...Ch. 13 - Problem 13.17 How do the three isomers of...Ch. 13 - Problem 13.18 What functional groups are...Ch. 13 - Problem-13.19 What are the major IR absorptions in...Ch. 13 - Problem-13.20 What are the major IR absorptions in...Ch. 13 - Problem-13.21 Which of the following possible...Ch. 13 - Problem-13.22 Propose structures consistent with...Ch. 13 - 13.23 What major IR absorptions are present above ...Ch. 13 - Problem-13.24 The mass spectrum of the following...Ch. 13 - Prob. 13.25PCh. 13 - Which compound gives a molecular ion at m/z= 122,...Ch. 13 - Propose two molecular formulas for each molecular...Ch. 13 - Propose four possible structures for a hydrocarbon...Ch. 13 - Problem-13.29 What is the molecular formula for...Ch. 13 - Problem-13.30 Propose a molecular formula for rose...Ch. 13 - 13.31 Match each structure to its mass spectrum
Ch. 13 - 13.32 Propose two possible structures for a...Ch. 13 - 13.33 What cations are formed in the mass...Ch. 13 - 13.34 and have the same molecular ion in the...Ch. 13 - 13.35 For each compound, assign likely...Ch. 13 - Prob. 13.36PCh. 13 - 13.37 Propose a structure consistent with each...Ch. 13 - 13.38 A low-resolution mass spectrum of the...Ch. 13 - 13.39 Primary alcohols often show a peak in their...Ch. 13 - 13.40 Like alcohols, ethers undergo α cleavage by...Ch. 13 - 13.41 Which of the highlighted bonds absorbs at...Ch. 13 - 13.42 What major IR absorptions are present above ...Ch. 13 - 13.43 How would each of the following pairs of...Ch. 13 - 13.44 Morphine, heroin, and oxycodone are three...Ch. 13 - 13.45 Reduction of cyclohex-2-enone can yield...Ch. 13 - Prob. 13.46PCh. 13 - 13.47 Match each compound to its IR spectrum
Ch. 13 - 13.48 Propose possible structures consistent with...Ch. 13 - A chiral hydrocarbon X exhibits a molecular ion at...Ch. 13 - 13.50 A chiral compound has a strong absorption...Ch. 13 - 13.51 Treatment of benzoic acid with followed by...Ch. 13 - 13.52 Treatment of benzaldehyde with in aqueous ...Ch. 13 - Prob. 13.53PCh. 13 - 13.54 Reaction of 2-methylpropanoic acid with ...Ch. 13 - 13.55 Reaction of pentanoyl chloride with lithium...Ch. 13 - Prob. 13.56PCh. 13 - 13.57 Treatment of anisole with and forms P,...Ch. 13 - 13.58 Reaction of with forms compound ,...Ch. 13 - Problem-13.59 The carbonyl absorption of an amide...Ch. 13 - Prob. 13.60PCh. 13 - Problem-13.61 Explain why a ketone carbonyl...Ch. 13 - 13.62 Oxidation of citronellol, a constituent of...
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