Name:
CHEM 20482 - Basic Organic Chemistry II - Spring 2004
Exam #3 - 100 Points
Your examination should have a total of 5 pages. For each question, write your answer in the space provided. You have
1 hour to complete this exam, so use your time wisely. Do not waste time on questions that you find particularly difficult or
time-consuming before completing those questions that you can answer more rapidly. Partial credit is available for incomplete
responses, so it is worthwhile to attempt every question (if you have time).
1. [8 pts] Two of the following molecules undergo Claisen condensation reactions. Indicate which two molecules react
under Claisen condensation reaction conditions and draw the structure of the products of these two reactions.
CH3CH3
CH3
CH3
O
O
CC
CH3
CH3CH3
CH3
CC
O
O
CH3
CH3
CH3
CH3CH2
O
O
CC
2. [12 pts] Draw the structure of the missing organic product expected from each of the following chemical reactions.
CH2CH3
NaOCH2CH3
CH2C H3
1 ) OH−
2 ) H3O+
CH2=CH−CH2Br
NaOCH2CH3 /
1 ) OH−
2 ) H3O+
C
O
OO
O
C
A
heat
B
3) heat
C
1
