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- 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+Provide the major organic product of the following reaction. 1. (CH;CH2),NH. H* Ph 2. Na(CH;CO,);BHSelect the appropriate synthetic route to convert methylcyclobutane into cyclopentene. ?? 1 1. KOtBu; 2. BH3-THF; 3. H₂O2, NaOH; 4: H₂SO4, heat 1. H₂, Lindlar's catalyst; 2. BH3-THF; 3. H₂O2, NaOH 1. Br₂, hv; 2. KOtBu; 3. BH3-THF; 4. H₂O2, NaOH; 5: H₂SO4, heat 1.BH3-THF; 2. H₂O2, NaOH; 3. H₂, Pt 1. Br₂, hv; 2. KOtBu; 3. H₂O₂, NaOH; 4: H₂SO4, heat
- (3) Mechanism. Provide the mechanism for the following reaction. OH H₂SO4 (cat.) OH17. Provide the major organic product of the following reaction. ...O NaOCH3 CH3OH(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 THE
- Describe a sequence of reactions by which 2-hexyne can be prepared from acetylene while minimizing the number of steps required. O 1. NANH2; 2. CH3CH2CH2Br; 3. NaNH2; 4. CH3B1 O 1. NANH2: 2. CH3Br; 3. CH3CH2CH2B1; O 1. NANH2; CH3Br; 3. NANH2; 4. CH3CH2CH2B O A or B O A or CH. 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.Click the "draw structure" button to launch the drawing utility. Draw the product formed wvhen the following compound is treated with two equivalents of CH3CH,CH,CH,MgBr followed by H,O. of OCH, draw structure ...