(a)
Interpretation:
The Kekule structure that shows the reactive positions of anthracene that are the ends of a diene, appropriate for a Diels-Alder reaction is to be drawn.
Concept introduction:
Diels-Alder reaction is used for the formation of rings or bicyclic compounds by the cycloaddition reaction between a diene and a dienophile.
(b)
Interpretation:
The information regarding the reaction of anthracene with maleic anhydride is given. The product of Diels-Alder reaction of anthracene with maleic anhydride is to be stated.
Concept introduction:
Diels-Alder reaction is used for the formation of rings or bicyclic compounds by the cycloaddition reaction between a diene and a dienophile.
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Chapter 16 Solutions
ORGANIC CHEMISTRY MASTERINGCHEM ACCESS
- 1. Classify the following compounds as aromatic, antiaromatic, or nonaromatic. b. а. С. 2. Give the IUPAC name of the following aromatic compounds. а. b. С. F COOH ОН `NO, Br NO, 3. Draw all the Kekulé structures of anthracene.arrow_forward7. Fill in the missing information.arrow_forwardWhat name reaction would result to the formation of the cyclohexene structure below? R .CO̟Et A. Diels-Alder reaction B. Wittig Reaction C. Friedel-Craft reaction D. Claisen Condensationarrow_forward
- Which is a better nucleophile? a. Br− or Cl− in H2O b. Br− or Cl− in DMSO c. CH3O− or CH3OH in H2O d. CH3O− or CH3OH in DMSO e. HO− or −NH2 in H2O f. HO− or −NH2 in DMSO g. I− or Br− in H2O h. I− or Br− in DMSOarrow_forwardSelect all aromatic rings that contain deactivating groups. a. d. a b C P e f -ħ NH₂ b. NO₂ SO₂H C. LOCH3arrow_forwardA reaction flask contains 2-bromopentane in an ethanolic solution of sodium ethoxide at room temperature and result in the formation of two olefnic products. What is responsible for the formation of major and minor products. A. Different activated complex involved in the mechanism. B. Bimolecular nucleophilic substitution reaction. C. Bimolecular elimination reaction D. The presence of sodium ethoxide. E. The hybridization nature of secondary carbocationarrow_forward
- I need help with explaining on how to draw the final product or products to these reactions.arrow_forward2. A benzene ring alters the reactivity of a neighboring group in the so-called "benzylic" position, similarly to how a double bond alters the reactivity of groups in the "allylic" position. R .R allylic position benzylic position Benzylic cations, anions, and radicals are all more stable than simple alkyl intermediates. a) Use resonance structures to show the delocalization of the positive charge, negative charge, and unpaired electron of the benzyl cation, anion, and radical.arrow_forwardHw.28.arrow_forward
- [Review Topics] [References] HO pyridine 1. SOCIl, + sO2 + H. Aqueous acetone H3C H20 H3C HBr 2. Br H OH optically active racemic f = SN1 Nucleophilic substitution g = SN2 Nucleophilic substitution a = Proton transfer d = E1 Elimination b = Lewis acid/base e = E2 Elimination c = Electrophilic addition The rections above involve synthesis or reactions of alcohols and ethers. Identify the mechanism by which they proceed from among the mechanisms listed. Use the letters a - g for your answers. 1. 2.arrow_forwardSelect the single best answer. Would [32]−, [16]−, or [22]−annulene be aromatic if each ring is planar?a. [22]−annulene b. [16]−annulene c. [32]−annulenearrow_forwardConsider this nucleophilic substitution reaction. Part: 0/2 +:CEN: Part 1 of 2 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. + :CEN: Garrow_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