a. Write the complete stepwise mechanism for the reaction above. Show all intermediate structures and all electron flow with arrows. b. Refer to Exhibit 23-2. This reaction is an example of: a. an intramolecular Claisen condensation b. an intramolecular aldol condensation C. a Robinson annulation d. a Michael reaction c. The product of this reaction is: a. a 6, y-unsaturated aldehyde b. an a, 6-unsaturated ketone an a, 6-unsaturated aldehyde d. an enol C. 3.
a. Write the complete stepwise mechanism for the reaction above. Show all intermediate structures and all electron flow with arrows. b. Refer to Exhibit 23-2. This reaction is an example of: a. an intramolecular Claisen condensation b. an intramolecular aldol condensation C. a Robinson annulation d. a Michael reaction c. The product of this reaction is: a. a 6, y-unsaturated aldehyde b. an a, 6-unsaturated ketone an a, 6-unsaturated aldehyde d. an enol C. 3.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:2.
Consider the reaction below to answer the following question(s):
H.
+ Но
NaOEt
H.
ELOH
a. Write the complete stepwise mechanism for the reaction above. Show all intermediate structures and
all electron flow with arrows.
b. Refer to Exhibit 23-2. This reaction is an example of:
а.
an intramolecular Claisen condensation
b.
an intramolecular aldol condensation
с.
a Robinson annulation
d.
a Michael reaction
c. The product of this reaction is:
a 6, y-unsaturated aldehyde
an a, 6-unsaturated ketone
an a, 6-unsaturated aldehyde
а.
b.
C.
d.
an enol
3.
a,B-Unsaturated aldehydes and ketones can undergo reaction with nucleophiles at the B carbon, as
shown below.
:Nu-H
Nu
a. Draw a resonance form for the unsaturated carbonyl that accounts for this reactivity.
b. This reaction is called
reaction.
a 1,2-conjugate addition.
an electrophilic addition.
a direct addition
a.
b.
с.
d.
a 1,2-addition.
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