For each of the following, supply a structural formula for the major organic product(s) when the product(s) is(are) not given: if no reaction occurs, write N.R.
Provide the following when a product is given. If an organic reactant is missing, supply a structural formula; if an organic reactant (reagent) or catalyst is missing, simply give a formula. Give the best possible answers. Be sure to show stereoisomers properly when necessary.