a)
Interpretation:
The structure of more stable carbocation obtainable by the rearrangement of the n-butylcarbocation is to be proposed.
Concept introduction:
The stability of carbocations are in the order tertiary > secondary > primary. A carbocation will rearrange to a more stable carbocation either by a hydride shift or by an alkyl shift from adjacent carbon.
To propose:
The structure of more stable carbocation obtainable by the rearrangement of the carbocation given.
b)
Interpretation:
The structure of more stable carbocation obtainable by the rearrangement of the carbocation given is to be proposed.
Concept introduction:
The stability of carbocations are in the order tertiary > secondary > primary. A carbocation can rearrange to a more stable carbocation either by a hydride shift or by an alkyl shift from adjacent carbon.
To propose:
The structure of more stable carbocation obtainable by the rearrangement of the carbocation given.
c)
Interpretation:
The structure of more stable carbocation obtainable by the rearrangement of the carbocation given is to be proposed.
Concept introduction:
The stability of carbocations are in the order tertiary > secondary > primary. A carbocation will rearrange to a more stable carbocation either by a hydride shift or by an alkyl shift from adjacent carbon.
To propose:
The structure of more stable carbocation obtainable by the rearrangement of the carbocation given.
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Chapter 7 Solutions
Organic Chemistry
- Give typed solution not writtenarrow_forwardTROVIOW Topicaj (References) Draw the major organic product of the reaction shown below. HO, NANH2 You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • Include cationic counter-ions, e.g., Na" in your answer, but draw them in their own sketcher. (Review Top Draw the major organic product of the reaction shown below. OH K2Cr207 H2SO4, H20 • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one.arrow_forwardDraw the structure of the product of each step in the three-step synthesis. Show the formal charges, if applicable. As a start, the benzene ring is drawn for you in each product. Although the first step produces a mixture of isomers, the para isomer is isolated as the sole product of interest and used in the second step. Give only the major product for the second and third steps. Br₂ FeBr HNO3 H2SO4 Br₂. FeBra Product 1 Product 2 Product 3 (para isomer) Draw product 1. Select Draw Templates More с H Br Draw product 2. Erase Select Draw Templates More c Q2Q Draw product 3. Select Draw Templates More с H N о Br Erase c Q2 Q + CH N о Br Erase QQQarrow_forward
- In which of the following carbocations can the rearrangement phenomenon take place and in which cannot? + + + + + ++ Harrow_forwardPredict the major product(s) for each of the following thermal electrocyclic reactions. Justify your answer with MO theory. Heat Heat Heatarrow_forwardPlease don't provide handwritten solution ....arrow_forward
- Hw.198.arrow_forwardConsider the reaction. Draw the FULL electron pushing mechanism for the reaction including ALL intermediates (with lone pairs and formal charges), explicitly depicting any hydride shifts, and draw ALL electron pushing arrows.arrow_forwardomplete the following mechanistic steps (#1 through 4) representing every step of the echanism: The radical chain begins (initiation) with the photochemical cleavage of a Br-Br bond, affording two bromine atoms (Br ): Br-Br Br Then, the propagation steps take place. First, the bromine atom reacts with the substrate to afford a resonance-stabilized benzylic radical. Represent this process and the different resonance forms of the resulting radical: СООН + Br HBr +arrow_forward
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage LearningOrganic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning