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What happens to the stereochemistry during and SN2 reaction? Why? Provide a reaction to illustrate this.
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- Under what circumstances can you assume that the less stable of two compounds is the more reactive compound?Explain the Stereochemistry of the SN2 Reaction ?By which substitution mechanism (SN1 or SN2) did the reaction occur? How did you know? For what reason does the substitution occur at only one of the bromine atoms, and in particular the bromine atom that it did?
- Arrange in increasing reactivity in an SN1 reactionWrite and the major product for each of the following reactions. Are these reactions stereospecific? Why, or why not? Are the reactions Stereoselective? Why or why not?a) Describe the general steps in the mechanism for an SN1 reaction and an SN2 reaction. b) Discuss in detail the similarities and differences between these two mechanisms.
- Complete the following reactions, clearly indicating regio-and stereochemistry where applicable. In cases, where ortho-and para-products are formed, draw both.What is the product E and how is it formed? Can this be explained using frontier molecular orbital analysis? What would the regiochemistry and stereochemistry be?(i) Explain why a high reaction temperature favours elimination reactions, instead of substitution reactions. (ii) Explain why polar aprotic solvents favour Sn2 reaction but not favour SN1 reaction.