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- Which of the following would accomplish the transformation below? a) 1. HSCH2CH2SH, H+; 2. H2, Raney Ni b) H2N-NH2, NaOH(aq), heat c) H2, Pd d) All of the aboveWhen 2-cyclobutylpropan-2-ol is treated with a solution of HBr in Et2O, 2-bromo-1,1-dimethylcyclopentane is the resulting product. Write the reaction and propose a mechanism using curved arrows notation in each step.Q2: Give the structure of the possible Claisen condensation product from the following reaction .Tell which , If any you would expect to predominate in each case .(a) CH3CO2Et + CH3CH2CO2Et (b) C6H6CO2Et + C6H5CH2CO2Et(c) EtOCO2Et + Cyclohexanones (d) C6H5CHO + CH3CO2Et
- Q7 Consider the reaction, where the alkane shown is subjected to radical bromination at 25 °C. Br₂ light Describe the major monobromination product. productWhat is the product (A, B, C, or D) of the reaction shown in Image30? a. C b.D c. B d. ADraw all the possible constitutional isomers for the molecular formula C4H8Br. Rank them according to their reactivity (i.e. rate) in SN2 reactions.
- Which of the following reactions are favorable or unfavorable? Explain why.Which of the following substituted cyclohexanes is most stable?The hydrobrominationof 2-methyl-1-butene could theoretically lead to 2 different alkyl bromides; in practice only one product is formed. Draw the structure of both theoretical products, circle the one that is actually produced, and briefly explain whyonly one product forms.
- For each reaction, decide whether substitution or elimination (or both) is possible, andpredict the products you expect. Label the major products. 1@bromo@1@methylcyclohexane + triethylamine (Et3N≠)Arrange the rate of reaction in increasing order by SN1 mechanism. least reactive<most reactive methyl<primary<secondary<tertiary tertiary<secondary<primary<methyl methyl<tertiary<secondary<primary primary<secondary<tertiary<methylQ3: What products would you expect from the reaction of 1-bromopropane with each of the following?(a)NaNH2 (b) KOC(CH3)3 (c) Nal(d) NaCN (e) NaC=CH (f) Mg, then H2O