1.1 Propose plausible mechanisms for the following reactions:1.1.11.1.2:O::0::0:: 0:1) NaOEt2) H3O+PhOEtH3COEtPh:0:HOEt:0:1) NaQEt2) H3O+: 0:OEtH

1.1 In the Claisen reaction, two esters are combined to form a beta-keto ester and an alcoholin the…

Answered: 1.1 Propose plausible mechanisms for…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

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Chapter1: Chemical Foundations

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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Head... Head... Head... New St 1. Match each pka value with each carboxylic acid (3.2, 4.9 and 0.2) a) CH COOH 2 3 b) CF COOH c) ICH COOH 2. Rank the compounds within each group in order of decreasing acidity. a) CH3COOH, HSCH,COOH, HOCH2COOH b) ICH2COOH, ½CHCOOH, ICH2CH2COOH 3. Which compounds undergo nucleophilic addition and which substitution? b) c) d) OCH, O Local backup on section: Words: 114 M Spell Check Row: 12 Column: 4 Page Num: 1 Page: 1/4 1/1 MacBook Pro 71 88 F4 Fe FS F2 F1 2$ 9 # 6. 7
9:58 S Brown, Intro Organic Chemistry, 6e Helo I Svstem Announcements Question 4 Complete the equation by predicting the major product formed in the reaction. Note that the reaction may involve rearrangements + HCI Edit By accessing this Question Assistance, you will learn while you earn points based on the Point Potential Policy set by vour instructor Question Attempts: 0 of 2 used Eam Haimum Pints available om anwer this question co attempt
B. Supply the missing reagent, product or starting material of the following reactions. 1. 2. 3. 4. & H 1. NaCN 2. H₂SO4, H₂O H Zn(Hg), H3O+ NH,NH), KOH OH I Reagent I:
1. 2. OH + conc. HBr Submit Answer Na S H₂O a = Proton transfer d = Electrophilic addition b = Lewis acid/base e E1 Elimination c = Radical chain substitution f = E2 Elimination Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a - i for your answers. 1.g 2. NaBri Retry Entire Group 2 more group attempts remaining gSN1 Nucleophilic substitution h = SN2 Nucleophilic substitution
1. 2. 1. -CH3 H Ph HO 2. + E2 Elimination aqueous H₂SO4 a = Electrophilic addition b = C = SN1 Nucleophilic substitution f = Carbonyl nucleophilic addn Submit Answer NaOH Retry Entire Group OH CH3 d Ph = SN2 Nucleophilic substitution g e Electrophilic aromatic substitution h = Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a - i for your answers. = 6 more group attempts remaining Nucleophilic subs at carbonyl(acyl Xfer) Conjugate (nucleophilic) addn
Provide the expected major organic product of the reaction sequence shown. 1.03 2. (CH3)2S, (DMS) ? یو میہ ص م : O I only. OIV and V. Oland W OIII only. O II only. II III IV V
1. 2. Å 1. N-Br a = Proton transfer b = Lewis acid/base c = Radical chain substitution 2. H₂SO4 DMSO / H₂O OH love Br ..OH d = Radical chain addition e= Electrophilic addition f = E1 Elimination + Een N-H Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a - i for your answers. g= E2 Elimination h = SN1 Nucleophilic substitution i = SN2 Nucleophilic substitution
HO 1. CO₂H SnCl4 CO₂H Ph H₂O CH3O LOCH3 CH3O. OCH3 ZnCl2 H₂O + 2. HO CH3 a = Proton transfer b = Lewis acid/base e = Electrophilic addition h = SN1 Nucleophilic substitution f = E1 Elimination i = C = Radical chain substitution g = E2 Elimination SN2 Nucleophilic substitution j = Electrophilic aromatic substitution d = Radical chain addition Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a - j for your answers. 1. 2. e
1. 2. Ph 1. Ph OH a Proton transfer b = Lewis acid/base c = Electrophilic addition 2. + Na CN NMe₂ DMF H₂SO4 Ph Ph H3C H CH3 H CN OH NM²₂ Tamoxifen anti (brest) cancer drug Ph d E1 Elimination = e = E2 Elimination Ph NMe₂ 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. f = SN1 Nucleophilic substitution gSN2 Nucleophilic substitution
hydrogen by the resonance and the inductive mechanisms. a = acceptor d = donor n = no effect :0: 1. 2. 3. :0: ——CH,CH,CH,N(CH3)2 Ö: -S-CH3 -Ö: -N(CH3)2 methanesulfonyl Inductive effect Inductive effect Inductive effect Resonance effect Resonance effect Resonance effect alive to
1. +. F5 F7 F8 F10 F11 F12 Insert & ) ( 7. 6 8. Draw the detailed mechanisms for the following transformations. OCH3 H3C 0CH 3 (1.5 equiv) then reflux, 5h 56% CH3 CICH,CH,CI, hv 19.5h N2 N. HO

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1.1 Propose plausible mechanisms for the following reactions: 1.1.1 1.1.2 :O: :0: :0: : 0: 1) NaOEt 2) H3O+ Ph OEt H3C OEt Ph :0: H OEt :0: 1) NaQEt 2) H3O+ : 0: OEt H