5:08 Back CHE 2511_Tutorial S... CHE 2511 BASIC ORGANIC CHEMISTRY QUESTION ONE (a) The following reactions either proceed through an E2 or an SN2 mechanism. Give the major product of the following bimolecular reactions. (i) (ii) (iv) Jok (ii) E OTS (i) CI *OK* + CH₂-Br H₂C-CH₂ CI CH3 x (i) Nu: + (ii) R-L NaOMe (i) (ii) H Br CH3 (b) Competition experiments are those in which two reactants at the same concentration (or one reactant with two reactive sites) compete for a reagent. Predict the major product resulting from each of the following competition experiments: NaSH DMSO K'OCH(CH3)2 in propanol, 97 °C I DMF acetone H₂O Acetone CH3 RT H+CI C₂H5 MeOH heat, reflux (c) Suggest the shortest synthetic schemes for each of the following transformations. More than one step is required in each case. Show the reagents, solvents, reaction conditions, and intermediates for each step clearly. Please do not write reaction mechanisms. + R-L 28th April 2022 ? ? ? ? (d) What would be the effect of increasing solvent polarity on the rate of each of the following nucleophilic substitution reactions? CH3 HCN C₂H5 OH R-Nu RⓇ + 3G + :L L 1 A

5:08 Back CHE 2511_Tutorial S... CHE 2511 BASIC ORGANIC CHEMISTRY QUESTION ONE (a) The following reactions either proceed through an E2 or an SN2 mechanism. Give the major product of the following bimolecular reactions. (i) (ii) (iv) Jok (ii) E OTS (i) CI OK + CH₂-Br H₂C-CH₂ CI CH3 x (i) Nu: + (ii) R-L NaOMe (i) (ii) H Br CH3 (b) Competition experiments are those in which two reactants at the same concentration (or one reactant with two reactive sites) compete for a reagent. Predict the major product resulting from each of the following competition experiments: NaSH DMSO K'OCH(CH3)2 in propanol, 97 °C I DMF acetone H₂O Acetone CH3 RT H+CI C₂H5 MeOH heat, reflux (c) Suggest the shortest synthetic schemes for each of the following transformations. More than one step is required in each case. Show the reagents, solvents, reaction conditions, and intermediates for each step clearly. Please do not write reaction mechanisms. + R-L 28th April 2022 ? ? ? ? (d) What would be the effect of increasing solvent polarity on the rate of each of the following nucleophilic substitution reactions? CH3 HCN C₂H5 OH R-Nu RⓇ + 3G + :L L 1 A

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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