15. What is the product, W, of the following reaction sequence? 1 equiv. I -COzH i. excess NaOEt ii. Br IV 1 equiv. HO₂C. OH Br II iii H₂O heat CO₂H D-CO,H V W COOH III

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15. What is the product, W, of the following reaction
sequence?
1 equiv.
I
COzH
i. excess NaOEt
ii. Bri
IV
1 equiv.
HO₂C.
OH
Br
II
IV
17. Predict the product of the following
reaction sequence.
i. NaOC₂H5
ii. CH3CH₂CH₂Br
iii. NaOH
iv. H3O*, heat
iii H30
heat
CO₂H
OH
?
CO₂H
OH
Ju qe je
OH
O
I
II
III
V
W
COOH
III
16. What would be the major
product of the following reaction
sequence?
OH
a)
Ethyl acetoacetate
b)
Ethyl acetoacetate
c)
Ethyl acetoacetate
IV
e)
Ethyl hexanoate
PCC
CH₂Cl₂
18. 2-Heptanone can be synthesized by
which reaction sequence?
heat,
II
NaOEt CH3(CH₂) 3 Br
EtOH
NaOEt
EtOH
i. dil.OH heat
ii. H30
d)
Ethyl acetoacetate CH₂(CH₂);Br_
i. LDA
ii. C₂H₂I
22
i. NaOEt, EtOH
ii. CH3COCI
V
III
NaOEt
EtOH
i. dil.OH heat
ii. H30
CH3(CH₂)3Br
CH₂(CH₂), Br
i. dil.OH
ii. H30¹
heat,
i. dil.OH heat_
ii. H30*
Transcribed Image Text:15. What is the product, W, of the following reaction sequence? 1 equiv. I COzH i. excess NaOEt ii. Bri IV 1 equiv. HO₂C. OH Br II IV 17. Predict the product of the following reaction sequence. i. NaOC₂H5 ii. CH3CH₂CH₂Br iii. NaOH iv. H3O*, heat iii H30 heat CO₂H OH ? CO₂H OH Ju qe je OH O I II III V W COOH III 16. What would be the major product of the following reaction sequence? OH a) Ethyl acetoacetate b) Ethyl acetoacetate c) Ethyl acetoacetate IV e) Ethyl hexanoate PCC CH₂Cl₂ 18. 2-Heptanone can be synthesized by which reaction sequence? heat, II NaOEt CH3(CH₂) 3 Br EtOH NaOEt EtOH i. dil.OH heat ii. H30 d) Ethyl acetoacetate CH₂(CH₂);Br_ i. LDA ii. C₂H₂I 22 i. NaOEt, EtOH ii. CH3COCI V III NaOEt EtOH i. dil.OH heat ii. H30 CH3(CH₂)3Br CH₂(CH₂), Br i. dil.OH ii. H30¹ heat, i. dil.OH heat_ ii. H30*
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