Author: Anonymous

Which of the following is the best choice to prepare the following alkene using the Wittig reaction?  

Which of the following compounds is most reactive towards a nucleophilic addition reaction?

Predict the product, when cyclopentanecarbaldehyde reacts with phenylhydrazine (PhNHNH2) in the presence of an acid catalyst.

Provide the reagents necessary to carry out the following conversion. 

What is the correct IUPAC name for the following compound?  

Rank the following deactivating groups in order of increasing deactivating strength, listing the least deactivating first.

Which of the following oxidants would work for the following reaction?

Why are strongly acidic conditions not used in the formation of enamines and imines?

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.

When a carbonyl is part of a conjugated π-network, the CO stretch ________.