Part B
Draw the reactants and complete the mechanism by drawing in the appropriate electron-flow arrows (including stereochemistry) for the following SN2 reaction of an alkyl bromide. Represent the nucleophile as an ion.
Draw all missing reactants and/or products in the appropriate boxes by placing atoms on the grid and connecting them with bonds, including charges where needed. Indicate the mechanism by drawing the electron-flow arrows on the molecules. Arrows should start on an atom or a bond and should end on an atom, bond, or where a new bond should be created.
Part C
Indicate the mechanism that the osmium tetroxide follows to form the cyclic osmate intermediate. When drawing curved arrows showing electron flow, use the dotted lines to make sure that the curved arrows properly indicate the two atoms forming the new bond. Click on an existing curved arrow to change the atoms it connects.
Once you have drawn the mechanism in the first box, completely draw the cyclic intermediate formed by reaction with osmium tetroxide in the second box. Specify the stereochemistry of the product. The original prostaglandin is provided in both boxes to assist you in drawing the final product. Edit the compound in the second box so that it represents the cyclic osmate intermediate that is formed.