ORGANIC CHEMISTRY LL PRINT UPGRADE
4th Edition
ISBN: 9781119810643
Author: Klein
Publisher: WILEY
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Chapter 7.3, Problem 4ATS
Interpretation Introduction
Interpretation: The Cameroonanol has woody fragrance, and it can be synthesized by deprotonation of compound 1 in the presence of strong base via
mechanism. The curved arrows are to be interpreted for the given conversion:
Concept introduction:
In the
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Alpha-phellandrene, C₁0H₁6, is a pleasant-smelling chiral compound that may be obtained from the leaves
of eucalyptus trees. It has the molecular formula C₁0H16 and a UV absorption maximum at 263 nm. On
hydrogenation with a palladium catalyst, an achiral hydrocarbon with the formula C₁0H20 is obtained.
Ozonolysis of alpha-phellandrene, followed by treatment with zinc and acetic acid, produces the
following two compounds:
0
||
CH3C-CH
0
||
●
Propose a structure for alpha-phellandrene.
(+
||
HCCH₂CHCH
I
CH(CH3)2
• You do not have to consider stereochemistry.
You do not have to explicitly draw H atoms.
• In cases where there is more than one answer, just draw one.
n [ ]#
?
Compound 1 has been shown to be a useful precursor in the synthesis of natural products. (Org. Lett. 2004, 6, 4439-4442). In
principle, four stereoisomers are possible when this compound is subjected to catalytic hydrogenation. Draw these stereoisomers
and describe their relationships.
HO
O
OH
H₂ - ?
Pt
Modify the four structures below, as necessary, to draw the four stereoisomers that are possible from catalytic hydrogenation of
compound 1. Use the single bond tool to interconvert between double and single bonds.
Compounds X has the formula C7H15Cl; Y is C7H15Br.X undergoes base-promoted E2 elimination to give a single alkene product Z. Y likewise reacts under similar conditions to give a single alkene product that is isomeric with ZCatalytic hydrogenation of Z affords 3-ethylpentane.X readily reacts in SN2 fashion with sodium iodide in acetone. Y does not undergo a similar SN2 reaction. Propose structures for X and Y.
Chapter 7 Solutions
ORGANIC CHEMISTRY LL PRINT UPGRADE
Ch. 7.2 - Prob. 1CCCh. 7.3 - Prob. 2CCCh. 7.3 - Prob. 1LTSCh. 7.3 - Prob. 3PTSCh. 7.3 - Prob. 4ATSCh. 7.3 - Prob. 2LTSCh. 7.3 - Prob. 5PTSCh. 7.3 - Prob. 6ATSCh. 7.3 - Prob. 7CCCh. 7.4 - Prob. 8CC
Ch. 7.5 - Prob. 9CCCh. 7.6 - Prob. 10CCCh. 7.6 - Prob. 11CCCh. 7.7 - Prob. 12PTSCh. 7.7 - Prob. 13PTSCh. 7.7 - Prob. 14ATSCh. 7.7 - Prob. 4LTSCh. 7.7 - Prob. 16ATSCh. 7.7 - Prob. 17CCCh. 7.7 - Prob. 18CCCh. 7.7 - Prob. 5LTSCh. 7.7 - Prob. 19PTSCh. 7.7 - Prob. 20ATSCh. 7.8 - Prob. 21PTSCh. 7.8 - Prob. 22ATSCh. 7.8 - Prob. 23CCCh. 7.8 - Prob. 24CCCh. 7.8 - Prob. 25CCCh. 7.8 - Prob. 26CCCh. 7.8 - Prob. 27CCCh. 7.9 - Prob. 7LTSCh. 7.9 - Prob. 29ATSCh. 7.9 - Prob. 30ATSCh. 7.9 - Prob. 31ATSCh. 7.10 - Prob. 32CCCh. 7.10 - Prob. 33CCCh. 7.10 - Prob. 34CCCh. 7.11 - Prob. 8LTSCh. 7.11 - Prob. 35PTSCh. 7.11 - Prob. 36PTSCh. 7.11 - Prob. 37ATSCh. 7.11 - Prob. 9LTSCh. 7.11 - Prob. 40PTSCh. 7.11 - Prob. 41ATSCh. 7.12 - Prob. 42CCCh. 7.12 - Prob. 43CCCh. 7.12 - Prob. 44CCCh. 7.12 - Prob. 45CCCh. 7.12 - Prob. 46CCCh. 7 - Prob. 47PPCh. 7 - Prob. 48PPCh. 7 - Prob. 49PPCh. 7 - Prob. 50PPCh. 7 - Prob. 51PPCh. 7 - Prob. 52PPCh. 7 - Prob. 53PPCh. 7 - Prob. 54PPCh. 7 - Prob. 55PPCh. 7 - Prob. 56PPCh. 7 - Prob. 57PPCh. 7 - Prob. 58PPCh. 7 - Prob. 59PPCh. 7 - Prob. 60PPCh. 7 - Prob. 61PPCh. 7 - Prob. 64PPCh. 7 - Indicate whether you would use NaOEt or tBuOK to...Ch. 7 - Prob. 68PPCh. 7 - Draw a plausible mechanism for each of the...Ch. 7 - Prob. 70PPCh. 7 - Prob. 71PPCh. 7 - Prob. 72PPCh. 7 - Prob. 73PPCh. 7 - Prob. 74PPCh. 7 - Prob. 77PPCh. 7 - Prob. 78PPCh. 7 - Prob. 81ASPCh. 7 - Prob. 87ASPCh. 7 - Prob. 90ASPCh. 7 - Prob. 91IPCh. 7 - Prob. 92IPCh. 7 - Prob. 93IPCh. 7 - Prob. 94IPCh. 7 - Prob. 95IPCh. 7 - Prob. 96IPCh. 7 - Prob. 97IPCh. 7 - Prob. 98IPCh. 7 - Prob. 99IPCh. 7 - Prob. 100IPCh. 7 - Prob. 101IPCh. 7 - Prob. 102IPCh. 7 - Prob. 103IPCh. 7 - Prob. 105IPCh. 7 - Prob. 106IPCh. 7 - Prob. 107IPCh. 7 - Prob. 109IPCh. 7 - Prob. 110CPCh. 7 - Prob. 112CPCh. 7 - Prob. 114CP
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