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- CH;O In the substitution reaction: (S)-2-bromononane CH;OH The product(s) of the reaction is(are)? OCH, OCH3 OCH3 A mixture of the major product c with the minor product d A equimolar mixture of b and c.What is the organic product formed in the following sequence of reactions? Br (1) Mg/ether, (2) CO₂ HOCH₂/H* (1) DIBAL-H, toluene, -78°C heat (2) H*(aq) (3) H*(aq) II H III IV de "a H H I ?6, Which one of the following alcohols can not be made by unimolecular nucleophilic substitution (SN,) of an alkyl halide with H2O? benzyl alcohol Ph:COH cydohexanol (CH32CHOH 1-propanol A В C E
- conc. HBr HO. Br 2. (Ph)3C-OH HCI (Ph);C-CI H20 d = E1 Elimination e = E2 Elimination a = Proton transfer f = Sy1 Nucleophilic substitution b = Lewis acid/base c = Electrophilic addition g = SN2 Nucleophilic substitution 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. 2.What major organic product would you expect to obtain when acetic anhydride reacts with CH;CH;CH;OH? А. СH,COОН + CH,CH,OH В. СН:CH:COОН + СH:CH2OН С. СH:COOCН.CH-CH; + CH:СООН D. CH;COOCH2CH¿CH3 + CH3CH2OHa) Provide a mechanism that accounts for the product formed in the following reaction. OH CH H" ► 1-ethoxy-1-methyleyclohexane + CH,CH,OH b) Show the structure of the product(s) formed in the following reaction and write the mechanism for the reaction. OH CH + (CH;);COH
- Formulate the products from the following reactions. PHNH,, CH3COOH Meo OMe heat EtO2C CH2 CO2ET i) CH;COOH H3C H2N CH3 ii) [0]Which of the following methods can be used to synthesize 2-methyl-1-hexene, shown below, with no formation of isomeric by-products? ОН H2SO4 A) heat H2SO4 OH B) heat Ci (CH3);CO Na* + D) H2C=P(C,H5);Reaction with which of the following compounds in an acetylide reaction would lengthen the carbon chain by one carbon and add a primary alcohol? O ethanal O formaldehyde О ерохide O acetone O carbonic acid QUESTION 4 The reagent/reaction of choice for this reduction is || HC-CH=CH-CH2CH2CH2 CO2H CH2OH-CH=CH-CH2CH2CH2 CO2H O lithium aluminum hydride O potassium permanganate O sodium borohydride O Grignard reaction O SN2 reaction
- 2) Predict the Product(s). Predict the major product(s) for the following reactions. но. OH H₂50, (cat.), heat28. What is the major organic product of the following reaction? HO CI 1. (CH₂)₂Culi 2. H₂O A) I B) II C) III D) IV i c III ноха IVGive the major organic product(s) of the following reaction. HO OMe ? + PCC Meo OMe