Please answer 2-4 thank you so much 2. Write in the reagents need to transform benzene into this product.ofBenzene3. Write out all the steps in the mechanism of this electrophilic aromatic substitutionreaction. Include all resonance contributors.HNO3Benzene→ nitrobenzeneH2SO,4. Show the steps necessary, in order. to make each of the following compounds.Start with benzene, and use only reactions we studied this semester.a)NOZ 4. Show the steps necessary, in order, to make each of the following compounds.Start with benzene, and use only reactions we studied this semester.a)NOZb)COHc)BrNoz

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2 Write in the reagents need to transform benzene into this product. of Benzene 3. Write out all the steps in the mechanism of this electrophilic aromatic substitution reaction. Include all resonance contributors. HNO3 Benzene → nitrobenzene H2SO, I 4. Snow the steps necessary, in order, to make each of the following compounds. Start with benzene, and use only reactions we studied this semester. a) NO2

2 Write in the reagents need to transform benzene into this product. of Benzene 3. Write out all the steps in the mechanism of this electrophilic aromatic substitution reaction. Include all resonance contributors. HNO3 Benzene → nitrobenzene H2SO, I 4. Snow the steps necessary, in order, to make each of the following compounds. Start with benzene, and use only reactions we studied this semester. a) NO2

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter19: Eas: Electrophilic Aromatic Substitution

Section: Chapter Questions

Problem 32E

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3. Show all steps in the synthesis of meta nitrobenzoic acid form toluene. Clearly show all reagents, reactants and products. for each step. Toluene ------> ----> meta-nitrobenzoic acid
The question is there
2. CI The intermediate in the following nucleophilic aromatic substitution reaction has at least 5 resonance structures. For this question, complete the following tasks: a. Show the mechanistic arrow(s) for the first step. b. Draw TWO of the many resonance structures of the intermediate, drawing out the -NO₂ groups in each. c. Draw the neutral product. NO₂ NO₂ HO and others neutral product
13. a. Label the reactive features, highlight the most reactive one, then highlight what it needs. Also, state if the reaction will start to create a carbocation, carbon radical, or carbanion, or will cause loss of aromatic character. If a carbocation, carbon radical, or carbanion starts to develop, label where that will occur. pent-3-en-2-one + NaBH, followed by acid b. Use mechanism arrows to illustrate the reaction that occurs. c. If applicable, use stabilization resources to deal with the carbocation, carbon radical, or carbanion that starts to develop during the reaction, and draw the structure of any resonance-stabilized intermediate. d. Continue labeling and diagramming the reaction until you find the major stable product(s). e. Finally, state the stereochemistry of the major product(s) and use either Fisher projection or perspective formula representations to illustrate that stereochemistry.
4. Circle the electrophilic and nucleophilic atoms in each substitution reaction below. Provide the neutral organic product; where a stereocenter is created, use a wavy bond to indicate a mixture of configurations or wedges/dashes for stereospecific reactions. Also, provide the dominant reaction mechanism (Sn2 or SN1) somewhere in each box. A. Br NaSEt DMF В. ELOH C. .SO2NHNA Cl + D. NaH Br- HO, DMF
16. a. Label the reactive features, highlight the most reactive one, then highlight what it needs. Also, state if the reaction will start to create a carbocation, carbon radical, or carbanion, or will cause loss of aromatic character. If a carbocation, carbon radical, or carbanion starts to develop, label where that will occur. propanoyl chloride with xs. NABH, followed by acid b. Use mechanism arrows to illustrate the reaction that occurs. c. If applicable, use stabilization resources to deal with the carbocation, carbon radical, or carbanion that starts to develop during the reaction, and draw the structure of any resonance-stabilized intermediate. d. Continue labeling and diagramming the reaction until you find the major stable product(s). e. Finally, state the stereochemistry of the major product(s) and use either Fisher projection or perspective formula representations to illustrate that stereochemistry.
For the reduction of 2-methyl cyclohexanone to methyl cyclohexanol using NaBH4... 1. What is the reaction mechanism (draw curved arrows)? What is the nucleophile? Electrophile? 2. Using your reaction mechanism from the above question, sketch the reaction coordinatediagram. What does the transition state most likely look like? What is the rate-determining step?
2. Draw the structures and explain why CH3CH₂O and CH3CO₂ are good nucleophiles but CH3SO3, water, and alcohols (R-OH) are poor nucleophiles. Propose a 'cutoff' for the amount of negative charge needed to be a good nucleophile. CH3CH₂O CH3CO₂ CH3SO3 H₂O CH₂OH
Consider this nucleophilic substitution reaction. 1. Highlight the electrophilic carbon in red, and highlight the leaving group in blue. Highlight the atom in the nucleophile that will attack the electrophilic center in green. Only atoms need to be highlighted and not the lone pairs or formal charges. 2. Draw the product(s) of the reaction. Include all lone pairs.
17. a. Label the reactive features, highlight the most reactive one, then highlight what it needs. Also, state if the reaction will start to create a carbocation, carbon radical, or carbanion, or will cause loss of aromatic character. If a carbocation, carbon radical, or carbanion starts to develop, label where that will occur. -CH3 with H,SO, b. Use mechanism arrows to illustrate the reaction that occurs. c. If applicable, use stabilization resources to deal with the carbocation, carbon radical, or carbanion that starts to develop during the reaction, and draw the structure of any resonance-stabilized intermediate. d. Continue labeling and diagramming the reaction until you find the major stable product(s). e. Finally, state the stereochemistry of the major product(s) and use either Fisher projection or perspective formula representations to illustrate that stereochemistry.
When will you consider water to behave as a nucleophile? a.When it donates H to the electron- poor site of a positively polarized carbon atom b.When at a neutral state and still able to donate a non-bonding pair of electrons. c.When at a neutral state and still able to exchange electrons with positively polarized carbon atom. d.None of the above is correct.