Draw the mechanism of the transformation from 3 to 4. F EtO HO 3 OEt NaOH, MeOH HO OH

Propose a mechanism. Draw all intermediates and show all electron-pushing. CH Ph H₁₂O Ph

0-H H H H b Draw the organic product of the mechanism step above.

Draw the mechanism of the transformation from 3 to 4. F EtO HO 3 OEt NaOH, MeOH HO OH

Add curved arrow(s) to draw step 3 of the mechanism. Modify the given drawing of the product as needed to show the intermediate that is formed in this step. CH, H,O ÇH, CH, CH, H,C H,C CH, CH, of TY N Z +1 +t

Draw the structure of all products of the mechanism below. c* + H H H H H Click and drag to start drawing a structure. но H :0:

Draw curved arrows to depict the second step of the given mechanism. H d H Edit Drawing H H 8

Draw the curved arrows for the following mechanisms. Describe what is hap step (mechanism patterns). (Take it one step at a time and note the differences). :0: R CI: H-O-H :Ö:0 :0: :CI: :CI: H2O OH OH2 Br Br H-Br O-H H-8-H :0: OH Br 1 Br H2O H₂O

10. a) In the box at the left, indicate whether the reaction takes place through an SN2, SN1, E2, or E1 mechanism. b) Draw the mechanism and predict the product, including stereochemistry. OH H3O* heat CI NaCN DMF KOt-Bu Br HOH HCI

Write the correct mechanism and major product for a), and indicate the reagent needed for b) to happen.