Author: Anonymous

Rank the following compounds in decreasing order (most to least) of reactivity towards a nucleophilic addition reaction.

Bonus question Provide a stepwise synthesis for the following.       he answer should be entered as in the following example: (this is an example!) 1. NaNH2   2. CH3CH2Br   3. H2, Lindlar’s Cat.    4. BH3, THF   5. H2O2, NaOH                          (Keep three spaces between each step) All chemicals and reagents  structures should be correct and with the proper sequence. No partial credit.

Which of the following is the reactive intermediate in the nucleophilic substitution of 4-bromo-1-toluene with sodium amide?

Identify the missing reagent for the reaction below.

Bonus question Provide a stepwise synthesis for the following.            he answer should be entered as in the following example: (this is an example!) 1. NaNH2   2. CH3CH2Br   3. H2, Lindlar’s Cat.    4. BH3, THF   5. H2O2, NaOH                          (Keep three spaces between each step) All chemicals and reagents  structures should be correct and with the proper sequence. No partial credit.

Which synthetic method below correctly does the following conversion?

Which point on the potential energy diagram corresponds to the species shown to the right for the electrophilic bromination of benzene with Br2/FeBr3?

Identify the reagents needed to carry out the following conversion.

Which of the following is a hemiacetal?

Bonus question Provide a stepwise synthesis for the following.          he answer should be entered as in the following example: (this is an example!) 1. NaNH2   2. CH3CH2Br   3. H2, Lindlar’s Cat.    4. BH3, THF   5. H2O2, NaOH                          (Keep three spaces between each step) All chemicals and reagents  structures should be correct and with the proper sequence. No partial credit.