10. Give the major elimination product derived from each of the following elimination reactions. Pay attention to stereochemistry where appropriate and indicate whether the reaction proceeds via an E1 or an E2 mechanism. c) ELONA CH3CH-OʻNa* ELOH ethanol, heat heat Circle one: E1 or E2 Circle one: E1 or E2 d) b) (CH3)3COK* Br ELOH (CH3)3COH heat heat Circle one: E1 or E2 Circle one: E1 or E2 11. 1Draw Newman projections looking down the C2-C3 bond of the starting material to show the conformations of the starting material that lead to trans and cis alkenes in the following reaction. OTs CH;CH20 Na* CH3CH2CH,CHCH3 CH3CH2CH=CHCH3 ELOH, heat cis trans

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Chapter1: Chemical Foundations
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Give the major elimination product derived from each of the following
10.
elimination reactions. Pay attention to stereochemistry where appropriate and indicate
whether the reaction proceeds via an E1 or an E2 mechanism.
c)
ELONA
CH3CH,-ONa*
a)
ELOH
heat
ethanol, heat
Circle one: E1 or
E2
Circle one: E1 or E2
d)
b)
(CH3)3COK*
ELOH
(CH3)3COH
heat
heat
Circle one: E1 or E2
Circle one: E1 or E2
11.
1Draw Newman projections looking down the C2-C3 bond of the starting
material to show the conformations of the starting material that lead to trans and cis
alkenes in the following reaction.
OTs
CH3CH20NA*
CH3CH2CH=CHCH3
CH3CH2CH2CHCH3
ELOH, heat
cis
trans
Based on your knowledge of substitution reactions, draw an energy
12.
diagram for the following exothermic reaction. Draw the transition state(s), and show
where the transition state(s), any intermediates, and the starting materials and products
belong on the energy diagram.
NaCN
Br
CN
DMF
E
Reaction progress
Transcribed Image Text:Give the major elimination product derived from each of the following 10. elimination reactions. Pay attention to stereochemistry where appropriate and indicate whether the reaction proceeds via an E1 or an E2 mechanism. c) ELONA CH3CH,-ONa* a) ELOH heat ethanol, heat Circle one: E1 or E2 Circle one: E1 or E2 d) b) (CH3)3COK* ELOH (CH3)3COH heat heat Circle one: E1 or E2 Circle one: E1 or E2 11. 1Draw Newman projections looking down the C2-C3 bond of the starting material to show the conformations of the starting material that lead to trans and cis alkenes in the following reaction. OTs CH3CH20NA* CH3CH2CH=CHCH3 CH3CH2CH2CHCH3 ELOH, heat cis trans Based on your knowledge of substitution reactions, draw an energy 12. diagram for the following exothermic reaction. Draw the transition state(s), and show where the transition state(s), any intermediates, and the starting materials and products belong on the energy diagram. NaCN Br CN DMF E Reaction progress
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