II. (15 pts) Complete the following reactions. Give all possible products. Determine the major product. а....
What ie the major organic product of the following sequence of
reactions?
What is the major Organic product of the following sequence of reactions? он о ОН Н Br (а) (b) 1) 2 equiv Kон меон, а 2) Haso, H,So4. Но Br ОСН с ОН (0 (4) (е) b.b с. с d. d е, с f, f
1. Complete the following reactions (indicate all products and the mechanisms of the reactions) H.О/EIЮНI60°С EtOK/EtOH а. Br NaOH NaSCH3 DMF DMF d. с. HO TsCl Ру DBU A B е. Br
What is the major Organic product of the following sequence of reactions? CH ΠΗ H H 1) CHI (excess) 2) Ag20, H2O, A H NH CH; CH CH3 ΠΗ H H H H H H ΝΗ T н "CH; (a) CH; (6) (c) CH CH CH, AH H H H i û H H (d) a. a b. b Ос. с O d.d ee f. f What is the major Organic product in the following dehydration reaction? ОН Н;PO4 ??...
(8 pts) For each reaction, predict what mechanism will account for the major product(s) formed and write (SN1, SN2, E1, E2 or N.R.) in the boxes provided. Explanations or drawings are NOT required. 4. а. Н-о Br heat b. OTs NaOEt НOE с. NaCl OTs DMSO d. CI CHон
15. (3 pts each) Give the product(s) for the following reactions, and name all reactants and products. CH, он ОН н,с + H3c— сн - сн 3 Нас NH2 он + о н Н H-с-с-о-н Но -P -ОН н Н ОН
Complete the following with the correct products, label Zaitsev and Hofmann, and explain why the reaction is either regioselective or stereoselective. (6 pts.) D -Br Nahi Complete each of the following reactions by adding the starting material, reaction conditions, or all possible product(s) - label major/minor - Sx2. Sx1, E2 or E1. (33 pts.) (CH3),COK DMF C(CH3) NaOH DMSO CH OH heat Ph H+Br NaOCH, H+CHE Ph DMF SK DMF o (only product)
For each of the following reactions: (1) Draw all of the organic product(s) that would be formed, and (2) label each product as formed via S1, S2. E1, or E2. For elimination products, label as major or minor. Pay close attention to regiochemistry, stereochemistry, and whether carbocation rearrangements would occur. - DBN ci Br H20 B A C CH3OH acetone NaOH D Br DMSO
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(2 pts) Draw the major elimination products and Identify the mechanism responsible (E1 or E2). If both E and Z isomers form, only draw the E alkene. If only one isomer forms, label the alkene "E,""Z," or neither 1. NaOCH3 а. Br НОСHЗ b. НОСНЗ C. CI NaOCH3 d. (6 pts) Draw the substitution and/or elimination product(s) for the following reactions and identify 2. the mechanism responsible (SN1, SN2, E1, or E2) for each product drawn....
Question 15 Products/Reactants of Substitution/Elimination Reactions: Identify the reactant that will give the product shown. А B с Н. нс- ОН нс Br CH3 СІ Н H H Н3С- OAC , F NaOAC DMF, r.t. E Н3С- Н. нс Н -Н 1 Н Н. СН3 H H ОН H Br E
2. (40 pts, 4 pts each) Prediet-the-products. Draw the major organic product after each series of reactions. You must draw the correct regioisomer and/or stereoisomer for full credit. Some schemes contain more than one step; you do not need to draw the product after each step. Only the final products drawn in the boxes provided will be graded. 1. Brz, CHCI 1. Na, NHI -CHE 2. NaOMe (xs) DMSO 2. mCPBA CHCI 3. H. HSO4 НО. CI Но, Me 1....