Author: Anonymous

What is the Aldol addition product formed from the reaction of acetone, (CH3)2CO, with itself?

If a Claisen condensation reaction is run using methyl propanoate as the reactant, NaOCH3 is the ideal base. Why is it important to use NaOCH3 and not NaOCH2CH3?

Which of the following is not a good method to make 2,2-dimethylpropanoic acid?

Which of the following is the best method to prepare aspirin?

Predict the final product for the following reaction sequence.

What is the Aldol addition product formed from the reaction of acetone, (CH3)2CO, with itself?

Compound A has a molecular formula of C4H8O3.  Identify A on the basis of its 1H NMR spectra: d2.6 (2H, triplet); 3.4 (3H, singlet); 3.7 (2H, triplet); 11.3 (1H, broad singlet).

Bonus question An organic  compound with a molecular formula C9H9O, has the following 1H NMR data: 1.18 ppm (triplet, 3H), 2.59 ppm (quartet, 23H), and 7.64 ppm (broad singlet,  5H). Provide the IUPAC name of the structure that matches the above information.

What is the product of the following reaction? 

Bonus question Provide an efficient stepwise synthesis for the following.        The 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.