Compounds X and Y are both C,H15CI products formed in the radical chlorination of 2,4-dimethylpentane. Base-promoted E2 elimination of X and Y gives, in each case, a single C,H14 alkene. Both X and Y undergo an SN2 reaction with sodium iodide in acetone solution to give C7H151 products; in this reaction Y reacts faster than X. What is the structure of X?

Draw the organic product that is expected to form when the following compound is oxidized under biological conditions. oxidation SH reduction • You do not have to consider stereochemistry. You do not have to explicitly draw H atoms. • If no reaction occurs, draw the organic starting material.

The deuterated ethanol shown can be converted to an alkyl halide via a mesylate intermediate. Complete the mechanism, draw the final product (with nonbonding electrons) and select the correct absolute stereochemistry of the starting material and the final product.

2,5-cyclohexdiene-1,4-dione is completely ozonolyzed followed by hydrolysis to get a compound A which on further complete oxidation gives compound B. Identify A and B and write their IUPAC names.

Provide the systematic name of the major product after 1-butylcyclopent-1-ene reacts with HBr.