H H CH3 H;C CH3 H;C CH3 CH3

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter23: Addition To A Carbonyl
Section: Chapter Questions
Problem 15CTQ
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Need some help with second step. Please help ASAP THNKS!

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Add curved arrow(s) to draw step 2 of the mechanism. Modify the given drawing of the product as needed to show the intermediate that is formed in this step.
нн
H;C
CH3
H;C
CH3
Edit
CH3
CH3
Transcribed Image Text:Step 2 Get help answering Add curved arrow(s) to draw step 2 of the mechanism. Modify the given drawing of the product as needed to show the intermediate that is formed in this step. нн H;C CH3 H;C CH3 Edit CH3 CH3
Practice the Skill 08.06b
Draw a mechanism for the following transformation:
Dilute
Br.
HBr
Practice the Skill 08.06b
Correct. The carbocation formed by the initial protonation step will rearrange (hydride shift) to give a more stable carbocation.
What is the most likely sequence of steps in the mechanism?
Nucleophilic attack, rearrangement, protonate.
Protonate, nucleophilic attack, rearrangement.
Protonate, rearrangement, nucleophilic attack.
Nucleophilic attack, protonate, rearrangement.
What type of rearrangement is involved in the mechanism?
Hydride shift v
Transcribed Image Text:Practice the Skill 08.06b Draw a mechanism for the following transformation: Dilute Br. HBr Practice the Skill 08.06b Correct. The carbocation formed by the initial protonation step will rearrange (hydride shift) to give a more stable carbocation. What is the most likely sequence of steps in the mechanism? Nucleophilic attack, rearrangement, protonate. Protonate, nucleophilic attack, rearrangement. Protonate, rearrangement, nucleophilic attack. Nucleophilic attack, protonate, rearrangement. What type of rearrangement is involved in the mechanism? Hydride shift v
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