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- Draw the product formed from cyclohex-2-enone in each of three reactions. Reaction 1 Reaction 2 Reaction 1 1. NaCN 1. (CH3)2CuLi Reaction 2 product product 2. H3O*, H20 2. CH3CH21 A 1. EtO,CCH,CO¿Et NaOEt, HOET 2. Hао", Н-0, д Reaction 3 Reaction 3 productRank the compounds according to their increasing reactivity toward electrophilic substitution. 1. Benzaldehyde 2. o-dimethylbenzene 3. nitrobenzene 4. phenolRank the alkyl halides in order of increasing E2 reactivity. Then do the same for E1 reactivity. CI Br A C
- Which alkyl halide will react the fastest in an SN2 reaction (CH3)3CI CH3CH2Br CH3CH2I CH3I CH3BrDraw the product formed from cyclohex-2-enone in each of three reactions. Reaction 1 Reaction 2 Reaction 1 1. NaCN 1. (CH3)2CULI Reaction 2 product product 2. H30*, H2O 2. CH3CH2I 1. EtO,CCH2CO½ET NaOEt, HOET 2. Hао", Н-о, д Reaction 3 Reaction 3 productTell whether each stereogenic isomer is either R or S. Assign the correct priority of each group comnected to the stereogenic cemter. a. b. c,H d. NH2 .S. OCH, "Br HO HS CH
- 8:16 NOO ← Question 11 of 27 ||| Choose the reagent(s) that would be most likely to complete this reaction. I ■ I I I I ■ ■ ■ RCO3H > O Submit HEE | 34% I I ■ I I I I I I I ОН rWhich of the following statements about nucleophilic reactions are generally true ? V SN2 reactions rely on least hindered substrates. 1° are best while 3° are worst. V SN1 and E1 reactions rely on good carbocation forming substrates. Benzylic, allylic, 3° are best while 1° are worst. V E2 reactions depend primarily on strong bases like hydroxides, alkoxides, or amides. V Polar aprotic solvents like HMPA, DMF, DMSO, acetonitrile, or acetone are favoring SN2. V Polar protic, neutral or acidic solvents/environments like alcohols, water, or acidic solutions favor SN1/E1 mechanisms. SN2 and E2 reactions are stereospecific, while SN1 occurs with racemization. Elimination reactions are expected to result in Zaitsev's (more substituted) product(s), unless hinderance steers them into Hoffman's (less substituted) product(s).Rank the compounds in each group according to their reactivity toward electrophilic substitution. 1 = most reactive; 3 = least reactive. a. toluene methoxybenzene fluorobenzene b. p-bromonitrobenzene ✓nitrobenzene ✓phenol
- Write out the expected splitting pattern for hydrogens Ha, Hp and Hc 3Jab = 10 Hz На Hb 3Jpc = 7 Hz CI Hc Hc Ha:Hb:Hc: doublet, quartet, doublet Ha:Hb:Hc: quartet, quartet, triplet Ha:Hb:Hc: doublet, doublet of triplets, doublet Ha:Hb:Hc: doublet, triplet of doublets, doubletWhich compound is most nucleophilic? * О Option 5 О снзSH CH3SH О снзон О снзсо2н CH3CO2H О 120 Н20Explain how this epimerization reaction occurs. H3C H H3C i) CH3ONA/EtOH ii) H,0 H. ČH3 CH3
