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- Draw the major organic product(s) of the following reaction. 1 eq. NaNH2, NH3()) H-CEC-H CH3-1 • You do not have to consider stereochemistry. ● Separate multiple products using the + sign from the drop-down menu. • If no reaction occurs, draw the organic starting material.Draw the structure(s) of the major organic product(s) of the following reaction. H,C. 1. NaOCH3 / CH3OH 2. 1 eq. 2-bromo-2-methylpropane • You do not have to consider stereochemistry. • Omit products derived from the acidic or basic reagent itself, e.g. HN(i-Pr)2 derived from N(i-Pr)2. • If no reaction occurs, draw the organic starting material. • If substantial starting material is present at the end of the reaction, include it in the products. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate structures with + signs from the drop-down menu.Draw the structure(s) of the major organic product(s) of the following reaction. t at 1. lithium diisopropylamide / hexane t 2. 1 eq. CH2=CH-CH2CI ot • You do not have to consider stereochemistry. • Omit products derived from the acidic or basic reagent itself, e.g. HN(i-Pr), derived from N(i- ot t Pr)2". If no reaction occurs, draw the organic starting material. • If substantial starting material is present at the end of the reaction, include it in the products. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate structures with + signs from the drop-down menu. ot t ot
- H. H ÔMe Ph;P LIAIH4 compound a compound b HO. Bombykol C16H300 The above reaction scheme presents one possible synthesis of the compound. Work out the synthesis on a separate sheet of paper, and then draw the structure of compound b. Consider E/Z stereochemistry of alkenes. Do not show stereochemistry in other cases.Draw the major organic substitution product or products for (2R,3S)-2-bromo-3-methylpentane reacting with the given nucleophile. Clearly drawn the stereochemistry, including a wedged bond, a dashed bond and two in-plane bonds at each stereogenic center. Omit any byproducts. Br CH;CH20 (conc.) H.1. (cont.) CH3 Cl- -CF3 CH;NH2 (i) H ОН ČH,CH3 CH, 1. PBr,/pyridine (j) ОН 2. NaOH/DMSO 2. Using the given starting material and any necessary reagents indicate how the following syntheses can be carried out. ОН CH;CH,CHCH3 CH,CH,CH,COH OH CH;CH,CHCH3 CH;CH,C=CH .OTS OCH3 CH3 CH3 ОН 3. Propose a mechanism that accounts for the formation of the product shown during the following observed reaction. Be sure to show all intermediates. ОН H+
- Draw the structure(s) of the major organic product(s) of the following reaction. 1. NaOCH3 / CH3OH H3C CH3 2. 1 eq. 2-bromo-2-methylpropane • You do not have to consider stereochemistry. • Omit products derived from the acidic or basic reagent itself, e.g. HN(i-Pr)2 derived from N(i-Pr),. • If no reaction occurs, draw the organic starting material. • If substantial starting material is present at the end of the reaction, include it in the products. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate structures with + signs from the drop-down menu. Draw the structure(s) of the major organic product(s) of the following reaction. Aqueous NaHCO3 0° C 1 eq. Cl2 • Use the wedge/hash bond tools to indicate stereochemistry where it exists. • If the reaction produces a racemic mixture, draw both stereoisomers. • If no reaction occurs, draw the organic starting material. • Draw one structure per sketcher. Add additional…Draw the structure(s) of the major organic product(s) obtained after workup of the following reaction. HNON-E-CHS 1 eq. HCI • You do not have to consider stereochemistry. If no reaction occurs, draw the organic starting material. Include counter-ions, e.g., Na+, 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.Draw the structure(s) of the major organic product(s) of the following reaction. 1. lithium diisopropylamide / hexane 2.1 eq. Br •You do not have to consider stereochemistry. • Omit products derived from the acidic or basic reagent itself, e.g. HN(/-Pr)2 derived from N(i-Pr)2. •If no reaction occurs, draw the organic starting material. • If substantial starting material is present at the end of the reaction, include it in the products. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate structures with + signs from the drop-down menu. • вс
- (d) Explain the observed stereo-selectivity in the formation of product using Chelation model. OMe H3CQ Ph. Ph- Zn(BH4)2, CH2CH3 `CH2CH3 H OH THEDraw the structure(s) of the major organic product(s) of the following reaction. 1. lithium diisopropylamide / hexane 2. 1 eq. CH3I • You do not have to consider stereochemistry. • Omit products derived from the acidic or basic reagent itself, e.g. HN(1-Pr)2 derived from N(i-Pr)2 ". • If no reaction occurs, draw the organic starting material. • If substantial starting material is present at the end of the reaction, include it in the products. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate structures with + signs from the drop-down menu. ed opy aste ChemDoodleWhich synthetic route(s) would complete the reaction shown? Br || ||| I and II O I and III ? HO OH + enantiomer Synthesis I: 1. NaCCCH3; 2. Na/NH3(I) ;3. OsO4; 4. NaHSO3, H₂O Synthesis II: 2. NaCCCH3; 2. H2, Lindlar's catalyst; 3. MCPBA; 4. aq. H₂SO4 Synthesis III: 1. NaCCCH3; 2. H₂, Pt; 3. MCPBA; 4. aq. H₂SO4