Predict the products of the following reactions. (Consult the text for the structure of the starting materials.

Question:

Predict the products of the following reactions. (Consult the text for the structure of the starting materials. Look up the reagents in the index if you cannot remember what they do.)
a. Testosterone + LiAlH4
b. Androsterone + methylmagnesium bromide
c. Lanosterol + acetic anhydride
d. Androsterone + Jones' reagent