(i)Explain whether the following is an Sn1 or Sn2 reaction.CH3CH2CH2B + NaCN → ? + NaBr(ii)Identify the product(s) of the reaction, and draw the arrow pushing mechanism for thereaction (i) above.Would you expect the above reaction occur faster in dimethylformamide (DMF) or inethanol? Explain your answer.(i)(iv)What will happen if high temperature is applied to the above reaction? Explain youranswer.

Since, you have asked to solved multiple subparts questions so I will solved first three subparts to…

Answered: (i) Explain whether the following is an…

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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(a) Decide whether the reaction below will proceed via an E1 or E2 and write a step-by-step mechanism. (b) Draw structural formula from the major organic product only.
Predict the product(s) and provide the mechanism for each of the following reactions. (a) (b) LOCH₂CH3 HI HBr ? ?
Predict the major product or the necessary reagent or reactant to complete each of the following reactions. In the box before each reaction, indicate the mechanism followed by the reaction. (Free radical (FR), SN2, SN1). (b) (a) Cl₂ CH₂CH₂OH (a) 1 hv 2 (b) H Br H₂O Na+ SCH3 (c) (d) CI "CH3
2) Identify whether each of the following reaction performs a SN1, SN2, E1 or E2; Then, draw the appropriate products. Meo NH2 (a) (d) Br (b) (e) Br OH OH ELOH Br (c) (f) Br
Predict the product(s) and show the complete electron-pushing mecha- nism for each of the following dissolving metal reductions. (a) H3CC=CCH₂CH3 (b) (c) CECH 1844 Li NH3 ND3 C=C—CH3 NH3
Addition of one equivalent of ammonia to 1-bromoheptane gives a mixture of heptan-1-amine,some dialkylamine, some trialkylamine, and even some tetraalkylammonium bromide.(a) Give a mechanism to show how this reaction takes place, as far as the dialkylamine.(b) How would you modify the procedure to get an acceptable yield of heptan-1-amine?
(b) Consider the following reaction scheme and answer the questions that follow. (i) (ii) (iv) 1 EtOH, 40 °C 2 Would compound 2 form under the given reaction conditions? Give reason(s) for your answer to question (i) above. OEt Propose a mechanism that would lead to the expected product for the above reaction scheme.
(a) Why is the following reaction a poor method for synthesizing tert-butyl propyl ether? (b) What would be the major product of this reaction? (c) Propose a better synthesis of tert-butyl propyl ether. does not give CH3 CH,CH,CH,—O: Na + CH;–c–Br CH3 tert-butyl bromide odium propoxide CH3 CH₂-C-0-CH₂CH₂CH T CH3 tert-butyl propyl ether
The following two sets of reactions, ((a) and (b)), show possibilities for arrow pushing in individual reaction steps. Identify which is wrong and explain why. Next, using the correct arrow pushing, label which molecule is the nucleophile and which is the electrophile. (a) (b) H3C :Cl: H3C H,c-i: – →: I-CH3 + :Cl: C-C: H3C / H3C H3C-Cl: C-CH3 H3C : H,C-Cl: H3C-CI: →: I-CH3 + :Cl: H3C :Cl: H3C C-CH3 C-CI: H3C/ H3C H3C
(b) Predict the suitable solvent (H2O or CH3COCH3) to increase the reaction of bromopropane(CH3CH2CH2Br) with sodium hydroxide (NaOH). Two reactions are shown below:
The following compound, 2-hydroxycycloheptatrienone, does not give all the usual carbonyl group reactions. (i) Explain this apparent anomaly. Furthermore, explain the significant difference between the relative stability of this compound and its 3- and 4-hydroxy isomers. (ii) What would you expect to be the influence of adding (a) a nitro group as a substituent on the 7-membered ring or (b) an alkyl group, on the degree of aromaticity of the above compound. (iii) Based on your understanding of the hydrogen bonding concept, which isomer would you expect to have a higher m.p, (assuming they are both solids) between 2- and 4- hydroxycycloheptatrienone? Explain your choice.
(c) Consider the antiallergy medication loratadine (Claritin) shown below: Loratadine (Claritin) The reaction to form the portion of the molecule in the red circle is used in the synthesis of loratadine and many other pharmaceutical agents. (i) Propose a suitable starting material and reagents to form the portion of the molecule in the red circle. (ii) Clearly outline the mechanism by which the reaction takes place. In your answer, show how the intermediate ion is stabilized.

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