1) 2) Please give a detailed stepwise mechanism for the following reactions. All arrows, charges, and intermediates must be shown. NaOH, H₂O, heat я H₂O*, Bг₂ Br .. + HBr

Provide the mechanism for the following reaction (1) PhMgBr (2 equiv) (2) H3O+ workup OH

Provide the necessary reagents to accomplish the desired organic reactions. Please number the steps and note that some reactions will require more than one step. Me Meo. Meo. CF MeO

a) Provide a mechanism that accounts for the product formed in the following reaction. OH CH H" ► 1-ethoxy-1-methyleyclohexane + CH,CH,OH b) Show the structure of the product(s) formed in the following reaction and write the mechanism for the reaction. OH CH + (CH;);COH

The following reaction can be carried out in two steps. Choose the correct reagents i) and ii) to perform the following reaction. CN i) 11) or Oi) CN; ii) heat Oi) CN ; ii) H₂O, acid catalyst O i) Br₂; ii) CN- O i) H₂O, acid catalyst; ii) CN O i) HBr; ii) CN

Which compound is the dominant product in the reaction shown below? KMNO4 .COOH (A) H*/H,O (B) COOH .COOH (C) (D) HOOC HOOC Compound B Compound C Compound D Compound A

a) Using your knowledge of organic reaction mechanisms, explain the formation of EACH product (A,B) in the following reaction. This will require you to write out MULTIPLE mechanisms (i.e. each product comes from a different reaction pathway). Hint: all reaction pathways start from the same intermediate: NaH is a strong base but cannot deprotonate an sp3 C-H bond! OH он 1) NaH (0.5 equiv) Br + 2) H20 A B b) Briefly explain why there is no epoxide (formed via an intramolecular substitution reaction) in the product mixture of the above reaction?

Consider the reaction scheme below. (a) Name the reagent and conditions necessary for steps I to VI above. (b) Write balanced equations for step I to VI above. elow. 4. Consider the reaction scheme below. CH, CH CH₂CI III --------ပုံ CH₂OH CHÍNH, VI CH₂NHCOCH,CH, (a) Name the reagent and conditions necessary for steps I to VI above. (b) Write balanced equations for step I to VI above.

6-40 Give the substitution products expected from solvolysis of each compound by heating in ethanol. (a) (b) (c) Br (d) Br CI CH3 Br

Provide the products, intermediates, and/or reagents for the following reactions: