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- 8. Calculate the theoretical yield (in grams) of cyclohexyl acetate if 2.75 g of cyclohexanol reacted with 4.00 mL of acetic anhydride. The density of acetic anhydride is 1.08 g/mL. CH3 H3C acetic anhydride C4H603 + OH cyclohexanol C6H12O H* CH3 cyclohexyl acetate C8H1402 + H3C OH acetic acid11. What is the major product of the following reaction?" a. b. II c. III d. IV NaOH/H₂O A (Heat) I II III IV Nal+H₂O + ???????Which reagents would you use to obtain the product? OH ? O 1. B2H6. THF 2. H2O2, NaOH, H2O O 1. Hg(OAc)2, H₂O/THF 2. NaBH4, ethanol OH₂O, H₂SO4 OHBr (excess) OH₂O, NaOH
- 18. Which reagent(s) will best complete the following reaction? NO2 NH2 H2SO4 HCI, Fe NaNH, NH3, HCI 1. KMnOд, НО", д 2. H¯ II III IV V d. IV е. V а. I b. II с. IIcompound c compound f Reagents compound e a. HBr m. 2 equivalents of NaNH2 b. HBr, H2O2, hv H2, Lindlar's catalyst Na / NH3 H2SO4, H9SO4 (sia)2BH then H2O2, NaOH n. m c. H2O, H2SO4 d. Br2 e. Cl2 f. H2, Pd g. Br2, H20 h. Cl2, H2O i. O. d. compound b compound d p. q. 1 equivalent of NANH2 r. S. NBS, hv compound a Br2, hy Cl2, hy t. Os04 then NaHSO3 j. Hg(OAc)2, H2O then NaBH4 k. BH3 then H2O2, NaOH I. u. V. HCI w. (CH3)3CO'K* Og then (CH3)2S The above synthesis was designed using the Organic Chemistry Roadmaps in the appendix of your textbook. In this synthesis, reagents from the table are used to carry out the indicated steps (shown in blue). In the box below, draw the structure of compound c.1. Dimethyl disulfide, CH,S-SCH, found in the vaginal secretions of female hamsters, acts as a sexual attractant for the male hamster. Write an equation for its synthesis from methanethiol. 2. Write an equation for the reaction of ethylene oxide with a. I mole of HCI b. excess HCI c. phenol +H d. phenylmagnesium bromide
- 6S. What is the major product of this reaction? 65. NaOH a C d.7. The reaction of methoxide anion with bromoethane to yield the ether ethyl methyl ether and the bromide anon (Br-) is an excellent example of a general reaction type called Sy2 (substitution nucleophilic bimolecular): CH,0+ CH,СH-Br a CH3-0-CH,СH; + Br- a. Change in enthalpy is -103 kJ/mol; the change in entropy is + 0.025 kJ/mol-K. Calculate DG at 300K. b. Is the reaction endergonic or exergonic? c. Is the reaction endothermic or exothermic? d. Use curved arrows to show the complete mechanism. Reaction of 2-methyl-1-butene with H-Cl could yield TWO alkyl chloride products. Draw and name 8. them.What is the organic product formed in the following reaction? H*, Hg*2 + CH,CH,CH,C=CH + H,O I II III OH IV Он H. Select one: A. II В. IV C. II D. I
- c. b. a. III II HOl d. Sootolode nodiso r lo noG A mixture of III and IV III но HO. AI CHBY 2. NaOH, H2O2 но. 1. B,H6, THF What is the product of the following reaction?2. Please draw in the arrows that explain each step in the following reactions. Note: you are not responsible for memorizing these reactions. H a) b) d) H + H-CI ·8-8 loh g OCH 3 H + + HOCH 312. What is the product of the following sequence of reactions? A. I B. II C. III D. IV I NaOH NaNH, III IV NH₂ 1