Draw the major organic product of each reaction. Indicate the stereochemistry at the stereogenic center. Omit byproducts such as salts. If applicable, expand octets to minimize formal charges. CH₂S™ SOCI₂ Product A Product B CH3S Product C Product D OH H TSCI pyridine
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- Show complete mechanism including transition state for an SN2 reaction of a specific chiral alkyl halide with CN' as nucleophile. a. b. Specify the solvent and why would you choose it. c. Draw the energy profile diagram for the reaction. id. Explain the stereochemical course of the following reaction: Br O-H H2O CH — С—СН, — СН, — СН, + H-BV CH3 -C-CH2-CH2-CH3 Acetone CH2-CH3 CH2--CH3 Optically active RacemicDraw the major organic substitution product or products for (2R,3S)-2-bromo-3-methylpentane reacting with the given nucleophile. Clearly drawn the stereochemistry, including a wedged bond, a dashed bond and two in-plane bonds at each stereogenic center. Omit any byproducts. Br CH;CH20 (conc.) H.Draw the major organic product for each of the hydroboration-oxidation reactions. Disregard stereochemistry. Draw the product of Reaction A. Select Draw Rings More ||||||CH|OB Reaction A. 1. B₂H6 2. H₂O₂ (aq) 3M NaOH Reaction B. 1. B₂H6 2. H₂O₂ (aq) 3M NaOH S 3 Draw the product in reaction B. Select Draw Rings More |||||||||CH|OB Erase Q2Q Erase Q2Q
- III. Draw the major products or required reagents for the following reaction sequences. Be certain to indicate stereochemistry where it is relevant. A. B. C. EtO. FO N Bz Ph CH3 OEt AICI3 NaOCH 3 CH₂OH, A 1) NaOEt 2) Br2, CH3COOH 1) NaBH4 2) H3O+ workup H3O+, A1. Draw the intermediates A-C for reactions a and b. Please show the appropriate stereochemistry where necessary. RO hv .. RQ CO₂Me MO,C. Anti-tumour agent Coriolin co₂Me barreleneDraw the major products of this reaction. Ignore stereochemistry. Ignore inorganic byproducts. 1. KMnO4, H3O+ 2. NaIO4 3. Na2S2O3, H₂O Select to Draw
- Draw the major product of this reaction. Ignore stereochemistry. Ignore inorganic byproducts. 1. Li (2 equiv), THF, -78 °C 2. CuBr (0.5 equiv) 3. CH3CH2CH₂Br 4. H3O+ Br Drawing Problem 5 of Atoms, Bond and Rings Draw or tap a neDraw the products of the two step reaction sequence shown below. Use dash and/or wedge bonds to indicate stereochemistry where appropriate. i 1.CHICHMgBr 2. H₂O* Select to Draw SOCI pyridine Select to DrawProvide the reagents. Но + enantiomer A 1. KOt-Bu, heat 2. mCPBA 3. MeMgBr 4. H2O B. 1. conc. H,SO4, heat 2. MCPBA 3. MeBr С. 1. РBгз 2. KOt-Bu 3. mCPBA 4. MeMgBr 5. H2O D. 1. Br2, hv 2. KOt-Bu 3. mCPBA 4. MeMgBr 5. H2O E. 1. Br2, hv 2. KOt-Bu 3. MCPBA 4. MeBr 5. H2O F. 1. Br2, FeBr3 2. KOt-Bu 3. mCPBA 4. MeMgBr 5. H2O G. 1. Br2, FeBr3 2. KOt-Bu 3. mCPBA 4. MeBr 5. H20
- 2. a. b. d. C. oFor each reaction, draw the product(s) and circle the mechanism(s). Include "major be and “minor" when necessary. Stereochemistry must be included for stereoselective reaction "No reaction" is a possible answer. Br Br ts Br CI ta ха но Br CH3ONa CH₂OH KSH acetone Br₂ hv CH3OH NaCN DMSO ser nongaholds zid) no baard E2 E1 SN1 SN2 X. E2 E1 SN1 SN2 X. E2 E1 SN1 SN2 X. E2 E1 SN1 SN2 X• E2 E1 SN1 SN2 X• E2 E1 SN1 SN2 X.Draw the major product of this reaction. Ignore stereochemistry. Ignore inorganic byproducts. 1. Li (2 equiv), THF, -78 °C 2. CuBr (0.5 equiv) 3. CH3CH2CH2Br 4. H₂O* Br QDraw the major organic product(s) of the following reaction. 1 eq. NANH2, NH3(0) CH;CH,CH,CH,-Br H-CEC-H • You do not have to consider stereochemistry. • Separate multiple products using the + sign from the drop-down menu. • If no reaction occurs, draw the organic starting material. P. opy aste ノ/ ChemDoodle >