b) Optical isomers can often be formed during these reactions. For products A-H. indicate how many different optical isomers you expect to form for each from these reactions (you do not have to indicate whether they are diastereomers/enantiomers). c) In the preparation of substance D by ozonolysis, the second step is necessary-treatment of the reaction mixture with zinc in acetic acid. If we forgot this step, we would get substance V instead of substance D, which would probably explode when isolated. What is the structure of substance V? X 1: ozone V e) What products do you expect to form if they react with alkene X: I - HBr in diethyl ether; II - Brl in methanol; III - PhSCI in diethyl ether; IV-Selectfluor in methanol. M N PhSNa O EtOH H* EtOH EtONa TSCI Pyridin E- F T₂, Pd/C G- mCPBA H₂SO4 10 %, H₂O 1: BH3 H- 2: H₂O₂ X Br₂ cyclohexane HCI A B HBr warmth, benzoylperoxid 1: ozone 2: Zn, ACOH Mg THF C D L 1020 K NaOH

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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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b) Optical isomers can often be formed during these reactions. For products A-H
indicate how many different optical isomers you expect to form for each
from these reactions (you do not have to indicate whether they are diastereomers/enantiomers).
c) In the preparation of substance D by ozonolysis, the second step is necessary treatment of the reaction
mixture with zinc in acetic acid. If we forgot this step, we would get substance V instead of substance D, which
would probably explode when isolated. What is the structure of substance V?
*24
X
1: ozone
V
e) What products do you expect to form if they react with alkene X: I - HBr in diethyl ether; II - Brl in methanol; III -
PhSCI in diethyl ether; IV - Selectfluor in methanol.
P
M
EtOH
NA
EtONa
PhSNa
EtOH E
H+
O
TsCl
Pyridín
F-
T2, Pd/C
G4
mCPBA
H₂SO4
10 %, H₂O
1: BH3
H◄
2: H₂O₂
ill
X
Br₂
cyclohexane
HCI
A
> В
B
HBr
warmth,
benzoylperoxid
1: ozone
2: Zn, ACOH
Mg
THF
с
D
D₂O
K
I + J
NaOH
Transcribed Image Text:b) Optical isomers can often be formed during these reactions. For products A-H indicate how many different optical isomers you expect to form for each from these reactions (you do not have to indicate whether they are diastereomers/enantiomers). c) In the preparation of substance D by ozonolysis, the second step is necessary treatment of the reaction mixture with zinc in acetic acid. If we forgot this step, we would get substance V instead of substance D, which would probably explode when isolated. What is the structure of substance V? *24 X 1: ozone V e) What products do you expect to form if they react with alkene X: I - HBr in diethyl ether; II - Brl in methanol; III - PhSCI in diethyl ether; IV - Selectfluor in methanol. P M EtOH NA EtONa PhSNa EtOH E H+ O TsCl Pyridín F- T2, Pd/C G4 mCPBA H₂SO4 10 %, H₂O 1: BH3 H◄ 2: H₂O₂ ill X Br₂ cyclohexane HCI A > В B HBr warmth, benzoylperoxid 1: ozone 2: Zn, ACOH Mg THF с D D₂O K I + J NaOH
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