Draw a major resonance contributor of this enolate anion. Include all lone pairs in your structure. Θ 0:☀ :0: Draw the starting structure that would yield this product under these conditions. OH 1. excess Br2, NaOH 2. Neutralizing work-up
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- 20:33 1 : ●●● all the proper notations for depicting resonance. 4. Provide the full mechanism (curved arrows and intermediates) that leads to the product in the scheme below. Draw the structure of the product to help you see how the starting materials will combine. Use that as a clue to figure out how to draw the mechanism arrows. ccare in your scheme. Be sure to use NaOEt 00 i 5. Provide the major organic product of the reaction shown. Determine if these conditions are best for SN2, SN1, E2, or E1. Be sure to indicate stereochemistry by using the proper wedges/dashes in the product. acetone phenyl butanoate Send a chat OShow how the enamine below can be synthesized. Then draw the resonance structure(s) for the enamine. 그9a) The proton bonded to the carbon adjacent to the carbonyl group in the following compound can be classified into which chemical shift in the ¹H-NMR spectra of aldehydes and ketones? R or H H - 10.0-12.0 ppm R H -2.0-3.0 ppm NO₂ N (1) 9b) Choose the one below that could be resolved into enantiomers. (1) alpha hydrogens = ? ppm NO₂ NO₂ 9c) Which of the following is the major product of the reaction below. `N H -5.0-7.0 ppm (11) (11) -0.0-1.0 ppm HNO3, H₂SO4 H NO₂ (III) NO₂ (1) and (II) (IV) None of the options (IV)
- Rank the following from LEAST TO MOST reactive towards electrophilic aromatic substitution: 1. p-Cresol, p-Toluidine, p-Chlorophenol, p-Chloroaniline 2. p-Hydroxybenzoic acid, p-Methoxybenzoic acid, p-Aminophenyl acetate, p-Methoxyphenyl acetateDraw the major organic product of the Bronsted acid-base reaction between the compounds shown below. Include all lone pairs and charges as appropriate. Ignore any counterions. H :O: Ha I -0 H-O :O: :0: о-н oWhich of structures (a)-(d) is the most important resonance contributor for this compound? CH₂ OCH₂ on loom en liten of an OCH, CH₂ SOCH, CH3 OCH3 CH₂ A structure A structure B structure C O structure D B C OCH, CH₂ D
- For following substituted benzenes: [1] C6H5Br; [2] C6H5CN; [3] C6H5OCOCH3: Does the substituent activate or deactivate the benzene ring inelectrophilic aromatic substitution?Identify compounds A and B from the following reaction sequence LINH lig MeO 0 (Ozone) MeOH Me₂S BArrange the following benzyl anions in the increasing order of stability. Substantiate your stand. CH2 CH2 CH2 CH2 CI OCH3 ČH3 NO2
- Complete the mechanism for the base-catalyzed opening of the epoxide below by adding any missing atoms, bonds, charges, nonbonding electron pairs, and curved arrows. -CH3 -CHз Нзс—ӧ: :0-CH3 :ÖH НзС—0:Provide a plausible arrow pushing mechanism for the reaction below. 1 eq. H20 HO MEOH OMe cat. H-A OHDraw all resonance structures of the conjugate bases formed by removalof the labeled protons (Ha, Hb, and Hc) in cyclohexane-1,3-dione andacetanilide. For each compound, rank these protons in order ofincreasing acidity and explain the order you chose.