16. Analyze the following transformation and choose the correct answer. CH3CH2 о н 0.05 equiv Na* ¯OCH3 || H-C CH3CH2 Methanol CH3 CH3 H CH3 CH3OH но н CH3CH2 H. H CH3 a) The overall transformation is called Claisen condensation. b) The quantity of base used in this transformation is catalytic amount. c) None of these intermediate steps can be reversible. d) The a proton in the aldehyde starting material is the most basic one. e) The overall transformation established a Carbon-Oxygen bond connection.

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16. Analyze the following transformation and choose the correct answer.
CH3CH2
H.
"O H
||
0.05 equiv
Na* "OCH3
H.
H
||
H-C
H.
CH3CH2
H.
Methanol
ČH3
CH3
H CH3
lonon
CH3OH
но н
+ CH3O¯
CH3CH2
H CH3
a) The overall transformation is called Claisen condensation.
b) The quantity of base used in this transformation is catalytic amount.
c) None of these intermediate steps can be reversible.
d) The a proton in the aldehyde starting material is the most basic one.
e) The overall transformation established a Carbon-Oxygen bond connection.
Transcribed Image Text:16. Analyze the following transformation and choose the correct answer. CH3CH2 H. "O H || 0.05 equiv Na* "OCH3 H. H || H-C H. CH3CH2 H. Methanol ČH3 CH3 H CH3 lonon CH3OH но н + CH3O¯ CH3CH2 H CH3 a) The overall transformation is called Claisen condensation. b) The quantity of base used in this transformation is catalytic amount. c) None of these intermediate steps can be reversible. d) The a proton in the aldehyde starting material is the most basic one. e) The overall transformation established a Carbon-Oxygen bond connection.
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