21. What is the product of this reaction? LiAIHA 130 но он Нао" H2O Нао" CH он он он он он он он 22. The major product(s) of the following reacfion, would be? AlCl3 Cl
draw the mechanism Нао -ОН heat OTf
is this right? Brz FeBrg ОН ? Br ОН ОН ОН Br Br A
1. Predict the product(s) (or no reaction) and reagent(s). C. Br Нао heat f. КОМе Br DMF g. КОEt Br HMPA i. Br NaO'Bu toluene
1. Predict the product(s) (or no reaction) а. -Br KI DCM Br b. E1OH heat С. Br Нао heat d. DBU Br DCM
2. Complete the transformation shown below. (6 pts; no partial point) OH OH D Он (not direct deprotonation) Он reagent doesn't contain halogen atoms (only product) 3. Predict the major product (only one product) in each of the following reactions and indicate the type of mechanism. (3 pts; no partial point) Mechanism SN2 SN1 Но HBr 0°С, Нао Е2 Е1 Mechanism Он SN2 SN1 H2SO4 A Е1 Е2 Mechanism SN2 SN1 HBr rt,H20 E2 Е1 ОН
H3C Br-Br > Br H3C-CH2 CH3 (large excess) Br CHa он H3 он
The following reaction is Н -С-он Н-с -он, Н-с-он SCH20H Intramolecular SN1 Heterocyclic electrophilic substitution Intermolecular SN1 Intermolecular SN2 Intramolecular SN2
Be sure to answer all parts Draw a stepwise mechanism for the following reaction: HBr ОН Br Part 1 out of 3 НОBr Br H Br он Нао HВг draw structure... finish structure ... Но
1. Draw a detailed arrow pushing mechanism for the following: (5 pts) Нао, Н,SO, Он Но + 2. Provide a reasonable synthesis for the following: (5 pts)