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- Which of the following provides a synthetic route to convert 3-iodo-2-methyl-1- butene into 2-methyl-2-butene? 1. NaOH; 2. H₂, Pt 1. H₂, Pt; 2. Br2 1. H₂, Pt; 2. NaOEt 1. H₂, Ni₂B; 2. KOtBu 1. H₂, Pt; 2. KOtBull mobily ? 4:13 PM O 21% O < Homework - carboxylic a... CH3CHCH2CH2CHCH3 CH3CCO2H CH3 (c) .CO2H (d) CH3 CH3CCN CH3 (g) Br (h) CN BRCH2CHCH2CH2CO2H Q2: Draw structures corresponding to the following IUPAC names: (a) cis-1,2-Cyclohexanedicarboxylic acid (b) Heptanedioic acid (c) 2-Hexen-4-ynoic acid (d) 4-Ethyl-2-propyloctanoic acid (e) 2-Cyclobutenecarbonitrile Q3: How could you convert butanoic acid into the following compounds? Write each step showing the reagents needed. (a) 1-Butanol (b) 1-Bromobutane (c) 1-Butene How could you convert each of the following compounds into butanoic acid? Write each step showing all reagents. (a) 1-Butanol (b) 1-Bromobutane (c) 1-Butene How could you convert butanenitrile into the following compounds? Write each step showing the reagents needed. (a) 1-Butanol (b) ButylamineOH OH S (2 equiv.) CI (2 equiv.) Draw the molecule on the canvas by choosing buttons from the Tools (for bonds and charges), Atoms, and Templa appropriate stereochemistry by choosing the dashed or wedged buttons and then clicking a bond on the canvas.
- (a) 2-methyl-2-pentanol Draw the structure of the alkene that was used to prepare the alcohol in highest yield. AAVIL ? ChemDoodleⓇ Which process does this employ? 1. Hg(OAc)2, H₂O; 2. NaBH4 01. BH3; 2. H₂O2, NaOH OsO4, H₂O2 On n [ ]#79 3. Complete the following reaction and write a mechanism for both the substitution and elimination products (both substitution and elimination products occur simultaneously). Discuss all criteria including stereochemistry when a chiral secondary primary alkyl halide with (S) configuration reacts with methanol a weak nucleophile. Draw energy profile for this reaction. (4 points) CH2CH3 CH₂O-Na+ + Br H3C (S) no 1999b 02.907 90 +201107.Which reagent(s) best complete the following reaction? 1. NaBH4 2. NaOH Cu(CH,CH,CH,CH;), (2 eq) 3. BrCH,CH,C,CH; (2 cq) II 1. Li CH,CH,CH,CH; (2 eq) 2. 1;0* 1. BrMg CH;CH,CH,CH; (2 eq) 2. 1;0" III IV a. d. IV Both II and IV will complete the reaction. e. с. II REF: 20.8
- (a) 2-methyl-2-pentanol Draw the structure of the alkene that was used to prepare the alcohol in highest yield. ? ChemDoodle Which process does this employ? 1. Hg(OAc)2, H₂O; 2. NaBH4 1. BH3; 2. H₂O2, NaOH OsO4, H₂O2 √ [FChemistry 2210 Final Exam Version 3 Spring 2023 1. What conditions should be used for this synthesis? ??? A. 1. HBr; 2. NaOCH³, heat C. 1. HBr, ROOR; 2. KOtBu, heat B. 1. HBr; 2. KOtBu, heat D. 1. HBr, ROOR; 2. NaOCH3, heat 2. Which of these mechanistic steps is correct for this reaction? H₂O*/H₂O 4. Which of these compounds C OH B. HO C. B B: H D. H 3. Use these approximated bond dissociation energies to calculate an estimated AH for this reaction. You may not use a calculator. C=C pi bond: 250 kJ/mol C-C sigma bond: 350 kJ/mol C-H: 400 kJ/mol C-Br: 300 kJ/mol H-Br: 350 kJ/mol Br-Br: 200 kJ/mol 250 A. 5. Which IR frequ cyclohexene? A. 2800-3000 cm IR Chart for 22 Wa 320 25" 32 3 200 heat + Br Br Br 350 + H-Br A. -450 kJ/mol B. -50 kJ/mol C. 50 kJ/mol D. 0 kJ/mol 28 CA- 29 CA C 30 CA³ 31 32 A: 33 A 34 35 36g. cis-3-methylpent-2-ene with BH3, H2O2, and OH CH3 H3C- CH =C -CH2-CH3 Major Product(s) of g. Stereochemistry of the product described in g. (Circle one) а. R b. S С. Е d. Z e. a mixture of E and Z f. erythro g. threo h. a racemic (50/50) mixture i. all 4 products (a set of erythro and a set of threo) j. no stereochemistry
- Rank the compounds by DECREASING reactivity towards nitration with HNO3/ H2SO4 (most reactive on the left). NO2 CH3 II III IV O A. V>V>I> || > || O B. V>I> III > || > IV oCV> || >1> V> I| O D. I > V> > || > IV O E. II > V >1> [IV >| Moving to another question will save this response. Co search6. Draw Hhe stricture of Compound Y. Compound Y 03 2. Zn, Hz0" t.What is the organic product formed in the following reaction? NaOC₂H₂ H+(aq) стеносли + OC₂H HOC₂H | -CH₂CH = ||| Select one: A. II B. I C. IV D. III ° -CH₂CH₂ OC₂HS IV -CH OC₂H₂ CH3 OH CH3 O OC₂H₂ bc₂Hs