Homework Answers
5) For the compound on the left: (3S)-3-chloro-4-ethyl-2-methyloctane
The compound on the right: (5E)-3,4-diethyl-5-ethylidene-2-methyloctane
6) The carbocation will undergo rearrangement, since it is right next to a more stable position for the positive charge. The movement of atoms and of the positive charge is:
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(5) (6 pts) Provide names for each of the following: H (6) (3 pts) Will the...
1. Rank the following carbocations in order from most stable (1) to least stable (4). o...
1. Rank the following carbocations in order from most stable (1) to least stable (4). o ó no 8 2. Consider the following carbocation. Would this carbocation undergo a rearrangement? If so, show the mechanism (curved arrows) for the rearrangement (including the rearranged cation that is the product of your curved arrows) and explain why it happens. If not, explain why it would not rearrange.
3. (2 pts) Determine if the carbocation below is expected to undergo a rearrangement. Write N.R....
3. (2 pts) Determine if the carbocation below is expected to undergo a rearrangement. Write N.R. if no rearrangement. If one is expected, show the mechanism and draw the result of the rearrangement
3. (2 pts) Determine if the carbocation below is expected to undergo a rearrangement. Write N.R. if no rearrangemen...
3. (2 pts) Determine if the carbocation below is expected to undergo a rearrangement. Write N.R. if no rearrangement. If one is expected, show the mechanism and draw the result of the rearrangement.
For each of the following pairs of organic molecules, circle the one that would react with...
For each of the following pairs of organic molecules, circle the one that would react with a given nucleophile at a faster rate in the Sw1 reaction, and briefly explain your choice. нссн, vs. H₂C CH₂ CH Hoc tots vs. Ho C^ots 6. Each of the following carbocations can undergo a rearrangement to give a more stable carbocation. In each case, draw the structure of the rearranged carbocation, and show the mechanism of the 1,2 hydride shift or 1,2-alkyl shift...
Provide the electron-pushing arrows to complete the mechanism below. Identify the arrow-pushing pattern(s) used in each...
Provide the electron-pushing arrows to complete the mechanism
below. Identify the arrow-pushing pattern(s) used in each step.
(1) Provide electron-pushing arrows to complete the mechanism shown below. Identify the arrow.pushing pattern(s) used at each step. :NH3 H H-NH2 -NH2 NO RO: R R 0 I- -H20 NH2 .NH HN R
2. (5 pts) Provide a mechanism for this rearrangement. Include all intermediates. Show all electron pushing....
2. (5 pts) Provide a mechanism for this rearrangement. Include all intermediates. Show all electron pushing. Give a reason why this process occurs; that is, what makes this reaction an exothermic process?
Addition of HCl to 1-isopropylcyclohexene yields a rearranged product in several steps. Propose a mechanism, using...
Addition of HCl to 1-isopropylcyclohexene yields a rearranged
product in several steps. Propose a mechanism, using curved arrows
to show the movement of electrons, for the step shown below.
Addition of HCl to l-isopropylcyclohexene yields a rearranged product in several steps. Propose a mechanism, using curved arrows to show the movement of electrons, for the step shown below. Arrow-pushing Instructions no XT - CH3 Τ Η C CH3 C-CH3 : H-01: →
complete the following reaction mechanisms by drawing the correct product or intermediate formed in each reaction....
complete the following reaction mechanisms by drawing the
correct product or intermediate formed in each reaction. on the
side of the reactants, label the nucleophile and the electrophile
(front)
show using electron-pushinh arrows how the anion shown is
converted to two other resonance structures (back)
Complete the Following Reaction Mechanisms by drawing the correcting product or intermediate formed in each reaction. On the side of the reactants, label the nucleophile and electrophile. (4 points each) Ci Me H Ме Me...
Provide a mechanism and final product for the following reaction. (6 pts) KCN, EtOH/H0 H CH3 Provide a mechanism fo...
Provide a mechanism and final product for the following reaction. (6 pts) KCN, EtOH/H0 H CH3 Provide a mechanism for the reaction shown below. (6 pts.) Actones KOHO CH, Part V. Separation,
Provide a mechanism and final product for the following reaction. (6 pts) KCN, EtOH/H0 H CH3 Provide a mechanism for the reaction shown below. (6 pts.) Actones KOHO CH, Part V. Separation,
1) Which of the following molecules would not undergo an aldol condensation with itself? Circle each...
1) Which of the following molecules would not undergo an aldol condensation with itself? Circle each that apply (3 points) CH, OCH, H 2) How could the following crossed-aldol condensation be performed to obtain the product selectively? Devise a method, and detail what to do in the lab below. Also include a full mechanism. (5 points) S. 7-8 4) Provide a complete, electron-pushing mechanism for the reactions shown below (7 points each) (1) "omo (2) H30 HOCI
1. Rank the following carbocations in order from most stable (1) to least stable (4). o ó no 8 2. Consider the following carbocation. Would this carbocation undergo a rearrangement? If so, show the mechanism (curved arrows) for the rearrangement (including the rearranged cation that is the product of your curved arrows) and explain why it happens. If not, explain why it would not rearrange.
3. (2 pts) Determine if the carbocation below is expected to undergo a rearrangement. Write N.R. if no rearrangement. If one is expected, show the mechanism and draw the result of the rearrangement
3. (2 pts) Determine if the carbocation below is expected to undergo a rearrangement. Write N.R. if no rearrangement. If one is expected, show the mechanism and draw the result of the rearrangement.
For each of the following pairs of organic molecules, circle the one that would react with a given nucleophile at a faster rate in the Sw1 reaction, and briefly explain your choice. нссн, vs. H₂C CH₂ CH Hoc tots vs. Ho C^ots 6. Each of the following carbocations can undergo a rearrangement to give a more stable carbocation. In each case, draw the structure of the rearranged carbocation, and show the mechanism of the 1,2 hydride shift or 1,2-alkyl shift...
Provide the electron-pushing arrows to complete the mechanism
below. Identify the arrow-pushing pattern(s) used in each step.
(1) Provide electron-pushing arrows to complete the mechanism shown below. Identify the arrow.pushing pattern(s) used at each step. :NH3 H H-NH2 -NH2 NO RO: R R 0 I- -H20 NH2 .NH HN R
2. (5 pts) Provide a mechanism for this rearrangement. Include all intermediates. Show all electron pushing. Give a reason why this process occurs; that is, what makes this reaction an exothermic process?
Addition of HCl to 1-isopropylcyclohexene yields a rearranged
product in several steps. Propose a mechanism, using curved arrows
to show the movement of electrons, for the step shown below.
Addition of HCl to l-isopropylcyclohexene yields a rearranged product in several steps. Propose a mechanism, using curved arrows to show the movement of electrons, for the step shown below. Arrow-pushing Instructions no XT - CH3 Τ Η C CH3 C-CH3 : H-01: →
complete the following reaction mechanisms by drawing the
correct product or intermediate formed in each reaction. on the
side of the reactants, label the nucleophile and the electrophile
(front)
show using electron-pushinh arrows how the anion shown is
converted to two other resonance structures (back)
Complete the Following Reaction Mechanisms by drawing the correcting product or intermediate formed in each reaction. On the side of the reactants, label the nucleophile and electrophile. (4 points each) Ci Me H Ме Me...
Provide a mechanism and final product for the following reaction. (6 pts) KCN, EtOH/H0 H CH3 Provide a mechanism for the reaction shown below. (6 pts.) Actones KOHO CH, Part V. Separation,
Provide a mechanism and final product for the following reaction. (6 pts) KCN, EtOH/H0 H CH3 Provide a mechanism for the reaction shown below. (6 pts.) Actones KOHO CH, Part V. Separation,
1) Which of the following molecules would not undergo an aldol condensation with itself? Circle each that apply (3 points) CH, OCH, H 2) How could the following crossed-aldol condensation be performed to obtain the product selectively? Devise a method, and detail what to do in the lab below. Also include a full mechanism. (5 points) S. 7-8 4) Provide a complete, electron-pushing mechanism for the reactions shown below (7 points each) (1) "omo (2) H30 HOCI
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