Organic Chemistry
In the following mass spectrum, which of the labeled peaks (a to e) represents the McLafferty rearrangement of heptan-3-one?
There are two possible McLafferty rearrangements that 2-methyloctan-4-one can undergo. What products are formed in each case?
Propose a structure for the compound with the following spectra.
Give the structure of the compound whose IR and mass spectra are shown below.
Use the rule of 13 to provide the molecular formula of a compound that contains C, H, and two O with M+ = 118.
Determine the possible number/s of C in a compound that contains C, H, and O with M+ = 98.
Determine the possible number/s of N in a neutral compound that contains C, H, and N with M+ = 84.
Provide the name of the hydrocarbon whose mass spectrum only shows a significant peak at m/z = 57 and M+ = 114.
Which compound produces the most intense peak at m/z = 71?
Identify the six-membered ring with a significant peak at m/z = 111 and a molecular ion peak at m/z = 126.
Consider the following compound labeled with the O-18 isotope of oxygen. When this compound is hydrolyzed using either aqueous acid or base, the O-18 label ends up with the resulting alcohol.
Explain how you would experimentally confirm the presence of the O-18 label in the alcohol. Note that O-18 is not radioactive.
The IR and mass spectra for the product of an alcohol reaction with chromic acid are shown below. What are the structures of the reactant and the reaction product?
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