4) Intramolecular Claisen condensation is called a) Cannizaro b) Dickmann c) Mannich 5) propanoic acid can be prepared from reaction - 3) H₂O, heat/-CO₂ a) diethyl malonate b) ethyl acetoacetate c) diethyl acetate reaction ---- with 1) EtONa 2) CH₁-Br
4) Intramolecular Claisen condensation is called a) Cannizaro b) Dickmann c) Mannich 5) propanoic acid can be prepared from reaction - 3) H₂O, heat/-CO₂ a) diethyl malonate b) ethyl acetoacetate c) diethyl acetate reaction ---- with 1) EtONa 2) CH₁-Br
Chapter22: Carbonyl Alpha-substitution Reactions
Section22.SE: Something Extra
Problem 64AP: The key step in a reported laboratory synthesis of sativene, a hydrocarbon isolated from the mold...
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![- reaction
4) Intramolecular Claisen condensation is called
a) Cannizaro
b) Dickmann c) Mannich
with 1) EtONa
5) propanoic acid can be prepared from reaction
3) H₂O, heat / -CO₂
a) diethyl malonate b) ethyl acetoacetate c) diethyl acetate
1) OH
?
6) Cyclohexanone +
O
2) H1-H₂O
a) allyl methyl ketone
b) methyl vinyl ketone
c) allyl vinyl ketone
CH3
7) acetone + ?
CHO-CC-CHO
CH3
CH3
CH3
a) CH3-C-PPh3
b) CH3--PPh3
c) CH3-C PPh3
CH3
8) The product of Claisen condensation is
a) a-keto ester
b) B-keto ester c) 8-keto ester
9) reaction of cyclohexanone with formaldehyde and dimethyl amine in Mannich reaction give
-CH3
CH3
-CH3
CH3
b)
CH3
C)
CH3
10) 2 mole 2-methyl cyclopentanone
CH3
CH3
a)
b)
11)
ОН
b)
?
Na OEt
CH3
c)
2-
?
CH3
c)
2) CH3-Br
CH3
CH3](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F01e0b111-7459-4445-b648-9e1049405d28%2Fa08bcba8-f67c-4172-a85a-fd94329b6a96%2Ft2me5da_processed.jpeg&w=3840&q=75)
Transcribed Image Text:- reaction
4) Intramolecular Claisen condensation is called
a) Cannizaro
b) Dickmann c) Mannich
with 1) EtONa
5) propanoic acid can be prepared from reaction
3) H₂O, heat / -CO₂
a) diethyl malonate b) ethyl acetoacetate c) diethyl acetate
1) OH
?
6) Cyclohexanone +
O
2) H1-H₂O
a) allyl methyl ketone
b) methyl vinyl ketone
c) allyl vinyl ketone
CH3
7) acetone + ?
CHO-CC-CHO
CH3
CH3
CH3
a) CH3-C-PPh3
b) CH3--PPh3
c) CH3-C PPh3
CH3
8) The product of Claisen condensation is
a) a-keto ester
b) B-keto ester c) 8-keto ester
9) reaction of cyclohexanone with formaldehyde and dimethyl amine in Mannich reaction give
-CH3
CH3
-CH3
CH3
b)
CH3
C)
CH3
10) 2 mole 2-methyl cyclopentanone
CH3
CH3
a)
b)
11)
ОН
b)
?
Na OEt
CH3
c)
2-
?
CH3
c)
2) CH3-Br
CH3
CH3
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