836 CHAPTER 19 Carbonyl Compounds III
- Indicate how each of the following compounds could be synthesized from the given starting material and any other necessary
reagents:
a. d.
b. e.
c. f.
- Bupropion hydrochloride is an antidepressant marketed under the trade name Wellbutrin®. Propose a synthesis of bupropion
hydrochloride, starting with benzene. - What reagents would be required to carry out the following transformations?
- Give the products of the following reactions:
a.
b.
- a. Show how the amino acid alanine can be synthesized from propanoic acid.
b. Show how the amino acid glycine can be synthesized from phthalimide and diethyl 2-bromomalonate.
CH 3 CHCO−
O
+NH
3
alanine
CH 2 CO−
O
+NH
3
glycine
CH
CH
+
O O
O O
HO−
2 CH 3 CH 2 OCCH 2 CH 2 COCH 2 CH 3
O O
- CH 3 CH 2 O−
- H 3 O+
O O
CH CH CHCCH 3
O
CH CHCO−
O
CH CHCOCH 2 CH 3
CCHCH 3
+NH
2 C(CH 3 ) 3 Cl
−
O
Cl
bupropion hydrochloride
O O
O
(CH 2 ) 2 CH 3
CH 3 CH 2 OC(CH 2 ) 4 COCH 2 CH 3
CCH 2 CH 3
O
CCH 2 CH 2 CH 2 COH
OO
O O
O
O
CH 3 CCH 2 COCH 2 CH 3
O O
CH 3 CCH 2
CH 3 C(CH 2 ) 3 COCH 3
O O CH 3
CH 3
O
O
O
CH 3 CCH 3
OO
CH 3 CCH 2 CH