16. Draw the mechanism and product for the following elimination. OH conc. H2SO4 heat
Ans! 79. Draw the mechanism and product for the following elimination. ОН conc. H2SO4 heat Ans: 81. Draw the mechanism and product for the following elimination. Br KOtBu 88. Is the following more likely a nucleophile or a base? YNY Ans: 90. Which of the following is the strongest nucleophile? = =0 MeOH Meo B. U. ODD. A. Ans:
8.34 Draw a mechanism for each of the following E1 processes: OH Br conc. H2SO4 Heat БЕТОН Heat (b) EtOH. Her (C) ОН conc. H2SO4 Heat OPUS (d) D
Practice Problem 07.70b Draw the mechanism for the following reaction: conc. H2SO4 Heat "OH
Draw a mechanism for the following transformations: OH H2SO4 +H2O heat OH H2SO4 heat (hint 1° carbocations are too unstable And are prone to rearrangements. Which bond moved to make a More stable carbocation?)
Choose the best answer for the major product for the reaction below. OH H2SO4 (conc) heat OSO H OSO,
How do you draw the major product here? conc. H2SO4 heat
1.Predict all the products for the following reaction. Which is the major product? Why? + conc. H2SO4 heat OH 2. Give an alcohol that you could use to synthesis each of the following alkenes? din 3.Draw the mechanisms for the following two schemes (two separate mechanisms). Only show the mechanism for the most stable product for each scheme. What is the key difference in the mechanistic steps between these two reactions? ОН ОН conc H2SO4 conc H2SO4 heat heat
65. Draw the product of the following dehydration reaction. H2SO4 OH Ans: 68. Draw the mechanism for the following dehydration. LOH H2SO4 Ans: 71. Draw an energy diagram for the following reaction, assuming that it is exothermic. OH H2SO4 Ans: 73. What are the steps of arrow pushing involved in the following mechanism? ОН H2SO4 Ans:
of the following transformations. 28.76 Propose a mechanism for each of the following conc. H,804 Heat conc. H2SO4 Heat conc. H2SO4 Heat ЕТОН Heat NaOEt EtOH
3. Draw the mechanisms for the following two schemes (two separate mechanisms). Only show the mechanism for the most stable product for each scheme. What is the key difference in the mechanistic steps between these two reactions? ОН conc H2SO4 heat OH conc H2SO4 heat