CHEM2320 University of Pittsburgh CH4 Organic Chemistry Cycloalkanes HW

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CHEM2320 Organic Chemistry Chapter 4.1 Naming Worksheet 1. Name:_______________________ Write structures for the following alkenes. If the compound can show cis-trans isomerization or the name is ambiguous, clearly indicate which structure you have drawn. If the structure can show geometric isomerization, clearly indicate which structure you have drawn using the cis-trans system. a. 1-bromo-3-methylcyclohexane b. chlorocyclohexane c. 1,1-dibromo-2-chlorocyclopentane d. ethylcyclooctane e. 1,1-dichloro-4-(3-methylhexyl)cyclooctane f. isopropylcyclononane 2. Name the following compounds using the IUPAC nomenclature. You may substitute common names for sidechains as found in your lecture notes. a. b. Cl c. d. 3. Draw the most stable chair conformation of the following compounds: a. chlorocyclohexane b. cis-1-bromo-3-methylcyclohexane c. trans-1-bromo-3-methylcyclohexane d. cis-1-methyl-2-isopropylcyclohexane e. trans-1-methyl-2-isopropylcyclohexane ...
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jlco88
School: Boston College

Hey there. I've just finish. Let me know if you have any doubts

1. Write structures for the following alkenes. If the compound can show cis-trans
isomerization or the name is ambiguous, clearly indicate which structure you have
drawn. If the structure can show geometric isomerization, clearly indicate which
structure you have drawn using the cis-trans system.
a) cis-1-bromo-3-methylcyclohexane
b) Chlorocyclohexane
Main chain: cyclohexane (6 carbon ring)
Main chain: cyclohexane (6 carbon ring)
Substituents: bromo (Br) at position 1 and
Substituents: chloro (Cl) at position 1
methyl at position 3)

6

1

5

2
3

4

Cis means both the substituents are
oriented in the same direction
c) 1,1-dibromo-2-chloro-cyclopentane

There arenno isomers

d) Ethylcyclooctane

Mai...

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