Name_______________
Organic Chemistry
Homework Set #2
25Points
Due 10/03/14
1) Name the following structures according to IUPAC rules. (3 points)
2) Convert the following into a representative chair structures. This can be in any
form (high or low energy) (4 points)
HO
Br
1
3) Draw both chair forms of cis-1,3-diethylcyclohexane (4 points)
4) Circle the structure in question 3 that has the lowest energy. (1 point)
5) Draw the most stable chair form of cis-1,4-dibromocyclohexane (2 points)
2
6) Define as R or S every chiral center in the molecules below. (8 points)
H
Br
HO
Br
OH
Br
H
Br
H
H
OH
Br
H
OH
H
CH2CH3
HO
CH3
CH3
Cl
Br
OH
H
Cl
7) Define the pairs of molecules as the same, enantiomers or diastereomers. (3
points)
H
a)
Br
Br
CH2CH3
and
H3C
H
CH3
CH2CH3
H
b)
H
CH3
Cl
CH3
Br
H
and
Br
CH3
Cl
CH3
H
3