Part A Find the suitable reagent for the transformation: H3C OH H3C OH KMnO4, H2SO4 O K2Cr2O7, H2SO4 ○ CrO3, H3O+ O pyridinium chlorochromate (PCC) O K2Cr2O7, HNO3
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- Bicyclo-2,5-heptadiene can be prepared in two steps from cyclopentadiene and vinyl chloride. Provide a mechanism for each step.Which of the following reagents would you use to prepare Chlorocyclopentane from cyclopentene? OC2 / H20 NBS / H20, DMSO OCh/ CH,Cl2 HCIProvide a synthetic strategy for the construction of molecule Q from molecule R. You may use any reactants/reagents/conditions that are necessary for your synthesis to be successful. CHO CN &=0 OHC Q R
- Reagent 5 options; H2O H+CrO3 H2SO4 H2O CH3CH2Br NaBH4Consider the substitution reaction of (R)-3-chloro-3-methylhexane with methanol and heat. H₂C- CH₂ H₂C H₂C Cl CH₂ D No Reaction MeOH Identify the substitution product(s). A a H₂C с H₂C НО CH₂ CH₂ CH₂ B H₂C D H₂C H₂C OH H₂C O CH₂ -CH₂ CH₂Questão 10A certain hydrocarbon had the molecular formula C16H26 and contained two triple bonds. Ozonolysis resulted in CH3(CH2)4CO2H and HO2CCH2CH2CO2H as the only products. What is the reasonable structure for this hydrocarbon? Hexadec-6,10-dino undec-1,5-dino Hept-1,5-dino hex-1,5-dino nah
- What reagents are needed to carry out the conversion shown? OH هده O 1. HNO3/H₂SO4: 2. Br2/FeBr3: 3. Fe/HCI; 4. NaNO2/HCI/< 5°C; 5. CH3OH/heat CH3CH₂CCI / AICI3: 2. HNO3/H₂SO4; 3. Fe/HCI; 4. NaNO₂/HCI/< 5°C; 5. CH3OH/heat Hic 1. HNO3/H₂SO4; 2. Fe/HCI; 3. CH₂CCI / AICI3; 4. HNO3/H₂SO4: 5. H3O*: 6. NaNO2/HCI/< 5°C; 5. H₂0/heat 1. O 1. HNO3/H₂SO4: 2. Sn/HCI; 3. NaNO2/HCI/< 5°C; 4. H₂0/heat; 6. fuming H₂SO4: 5. excess (CH3)2CHCI/AICI3; 6. H30*/heat O 1. HNO3/H2SO4: 2. NaNO2/HCI/< 5°C; 3. H₂O/heat: 6. fuming H₂SO4: 5. excess (CH3)2CHCI/AICI 3b. Increasing reactivity with HBr H3C Н H3C A Н least reactive н н Н В I H3C Н C I н н Н D CH₂CH3 most reactiveProvide reagents and conditions to produce the products indicated. CH3 H3C. CH3 O H3C Br H3C° H3C' HO, CH3 HO но H3C mo H3C° HO, H3C 180 .CH3
- a) b) c) d) e) 1) BH3/THF 2) H₂O2 NaOH (aq) cold Cl₂, H₂O HBr CH3CH₂OOCH₂CH3 1. Hg(OAc)2, H₂O 2. NaBH4 o 1) 03 (-78 °C) 2) (CH3)S H₂ Lindlar catalystWhat is the predicted product of the reaction shown? O & N(CH3)2 | IV (CH3)2NH H₂SO4 1. N(CH3)2 2. H3O+ || ОН HO |||[Review Topics] [References] HO pyridine 1. SOCIl, + sO2 + H. Aqueous acetone H3C H20 H3C HBr 2. Br H OH optically active racemic f = SN1 Nucleophilic substitution g = SN2 Nucleophilic substitution a = Proton transfer d = E1 Elimination b = Lewis acid/base e = E2 Elimination c = Electrophilic addition The rections above involve synthesis or reactions of alcohols and ethers. Identify the mechanism by which they proceed from among the mechanisms listed. Use the letters a - g for your answers. 1. 2.