Draw the product of an SN2 reaction shown below. Use a dash or wedge bond to indicate stereochemistry of substituents on asymmetric centers. Ignore inorganic byproducts. Br CH3CO2Na THF o
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- Draw the product of an SN2 reaction shown below. Use a dash or wedge bond to indicate stereochemistry of substituents on asymmetric centers. Ignore inorganic byproducts. NaSCH3 THF Drawing aFollow the curved arrows and draw the product of an SN2 reaction shown below. Include all lone pairs. Use wedge and dash bonds to indicate stereochemistry where appropriate. Ignore inorganic byproducts. :N=C: THF Drawing H3C H Br:Draw the product of an SN2 reaction shown below. Use a dash or wedge bond to indicate stereochemistry of substituents on asymmetric centers. Ignore inorganic byproducts. NaSCH3 THF Q
- the major products of this SN1 reaction. Ignore any inorganic byproducts. Use a dash or wedge bond to indicate stereochemistry of substituents on asymmetric centers, where applicable. H₂O CI Select to Draw SN1 Product + O QK Draw one of the two diastereomers that are the major products from this reaction. Use a dash or wedge bond to indicate stereochemistry of substituents on asymmetric centers, Ignore inorganic byproducts. 1 Br2 Drawing V I I Probler Atom and || BrFor the questions below please indicate the expected major product for the indicated reaction. Please be certain to indicate the correct stereochemistry for each product. Students with no printer please draw a set of numbered boxes and place answer inside. (S) enantiomer Br DBU DMSO (R) enantiomer Br DBU DMSO 4 1. OsO4 2. NaHSO3, H2O 5 MCPBA Enantiomers 6. H20
- a Draw the structure of the intermediate (I) for the reaction below. Hg(O2CCH3)2 NaBH4 Product CH;OH H3C • Use the wedge/hash bond tools to indicate stereochemistry where it exists. If the reaction produces a racemic mixture, just drawv one stereoisomer.Draw the major product of this reaction. Include stereochemistry if applicable. Use a dash or wedge bond to indicate the stereochemistry of substituents on asymmetric centers, where applicable. Ignore byproducts. Br H₂ODraw the major product of this reaction. Include stereochemistry if applicable. Use a dash or wedge bond to indicate the stereochemistry of substituents on asymmetric centers, where applicable. Ignore byproducts. I Br CH3CO2H Q I Drawing
- 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 +20110Starting from the wedge-and-dash structure below (sighting down the indicated bond), rotate the back carbon to provide the structure in the conformation that will be capable of an E2 elimination. R/S stereochemistry is graded. # O H3C H Drawing > CI ||||| H Atoms, Bonds and Rings Tap a node to see sThe cycloaddition of 2-methylfuran and the unsaturated lactam (see below) yields up to 4 regioisomeric and diastereomeric products, all chiral and racemic. + N-Ph CH3 a) Draw the structure of the 4 possible regio- and diastereomers of this reaction. b) Which compound will be the major product obtained? Explain your answer based on effects of primary and secondary orbital interactions. O 4 possible regio- and diastereomers 80 °C