1. 10. 1. NaOH 2. CH3CH Br REN 2. CH,Br 1. NaOH, H1,0 2. workup 1.100...
Propose the starting material for each product from a molecule with the given formula in the reactants box. You do not have to show mechanisms, but use any reagents you require for each problem. Each problem is ONE OF TWO retrosynthetic steps to the starting materials and all steps should be described CH, Br C Hia 4. Propose a mechanism for the reaction below, showing the movement of every pair of electrons. Draw in an energy diagram, labeling, with structures,...
1. An alkyl halide which might be expected to undergo rearrangement under Sylor El conditions is: HAC Br A. B. [ CH,Br c . CH-C-CH-CH, Br at would you acetylide, i. CH, CH, C-Br - CH CH, CH b) II CH р см, сен,сн, в. D. CH3-C-CH.CH -Br CH; в с. Task is to 13CH2C Br alkyl! 1.CH 2. Your task is to convert 2-chloropentane into l.pentene. Which reagents would you choose? a) NaOH/H2O b) KOH/CH3OH c) CH3ONa/CH3OH d) CH3CH2ONa/CH3CH2OH...
Draw the structure(s) of the major organic product(s) obtained after workup of the following reaction. NaOH O-S CH3 excess NH2 workup . You do not have to consider stereochemistry. If no reaction occurs, draw the organic starting material. Draw structure(s) of product(s) after workup to neutralize acid. Include counter-ions, e.g., Nat, I, in your submission, but draw them in their own separate sketcher. Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner....
1) + NaOH J) OH PCC CH,C1, K) H СН,ОН L) 1. Mg, ether -Br o 2. 3. H,0 M) OH Na Cr 0 H2SO4 4. Propose Mechanism (Show your work) (14 pts) A) CH,CH,CH,OH CHỊCH CHỊCHCHỊCOH
(10 pts) Predict the major product for each of the following reactions. 2. Ho Br 1. NaOH/Br 2. H,O NaOH/H20 1. NaOCH,CH 2. H,0 1. NaOCH,CH, 2 HO
(10 pts) Predict the major product for each of the following reactions. 2. Ho Br 1. NaOH/Br 2. H,O NaOH/H20 1. NaOCH,CH 2. H,0 1. NaOCH,CH, 2 HO
Starting Material Reagent Major Product? H2, Pd/C 1) OsO4 2) aq. KHSO: 1) CH3CO3H 2) NaOH/H20 Bra/H20 1) O3 2) Zn/HOÁC Provide reagents and/or starting materials to accomplish the following transformations. 40 OH –c=C=CH- CH3 CH3 -оснэ Онон H3C CH3 он any alkene CH₃ CH₂ HC- H.Pd/C optically active diterpene CH mixture of diastereomers 1) O 2) ZHOÁC H3C H3C CH3 + Hн H3c1
Question 4 (10 points) Draw mechanism for the following reactions: -OH a) HO_ Ht 1. Mel b) 2. H'/H20 Qestion 5 (6 points) Propose a synthesis for the target compound with given starting materials. You may use additional reagents you need. The proposed synthesis should be no more than S steps. Hint: Enolate Reaction, Decarboxylation Reaction. Target Compound Starting Materials
Question 4 (10 points) Draw mechanism for the following reactions: -OH a) HO_ Ht 1. Mel b) 2. H'/H20
Qestion...
(21.5) 2. Predict the products NaOCH CHE 1. NaOH/H2O HOCH2CH3 Br Br 2. H+ 3. Heat a. Nao in ethanol b. (CH4403) 21.8 H*, Br2 (21.1) NaOH, Bra d. (21.3) PCI3, Br2 OH (21.1) e. 3. Claisen reactions have the advantage of flexibility among starting materials that will make the given product via Claisen-type react Maon
1. Provide products for the following reactions. Show appropriate stereochemistry where appropriate. HI H2SO4 CH,OH 1. Hg(OAc),/H,0 2. NaBH4 1. BH; 2. H,Oz/NaOH H/Pd H2SO4/H2O 4. Provide the missing reagents or starting materials in the following reactions. OH Br HO 1. Br2 2, NaNH (excess) 3. H2O
Consider the reaction below. Note that the stereochemistry of the product is now shown: 12 points. 5. Br2 CH2Cl2 Br Br a. Draw the most stable chair conformation of the starting material (i.e. the alkene). Use the chair template provided on your answer sheet. You do not need to draw ring hydrogens. (2 points) b. Draw a detailed stepwise mechanism for the reaction. Draw all intermediates and use curved arrows to show 'electron movement'. If multiple stereoisomers of the same...