2. Predict the structure of the major organic product(s) of following sequence of reactions. Be sure to indicate any relevant stereochemistry, If no reaction is expected, please write N.R. Please place your answers in the box provided. 1) Bry, H₂O 2) NaOH 1) PhMgBr ether 2) H₂O*
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- [Review Topics] [References] Devise a synthesis of (E)-3-octene using one of the starting materials and any of the reagents below using the fewest steps possible. If you need fewer than the 3 steps allowed, enter "none" for reagents in the remaining unused steps. Starting materials HCECH 1 Reagents HCEC-CH₂ 2 a NaNH NH(0) b NaOH/H₂O c iodomethane Starting material Reagent for step 1 Reagent for step 2 Reagent for step 3 Submit Answer HC=C–CH,CH, 3 diodoethane e 1-bromopropane f 2-bromopropane Retry Entire Group HCEC-CH₂CH₂CH₂CH₂ 4 g 1-bromo-3-methylbutane h t-butyl bromide i H₂/Pd on carbon CH₂ HCEC-C-CH₂ H 5 9 more group attempts remaining KHINH(D) CH₂ HC=C-C-CH₂ CH₂ jH₂! Lindlar catalyst I Na/NH₂(0 6 Previous Email Instructor Next Save and Exit1. Consider the following reaction. The reagent for the elimination/substitution reaction contains the following anions: Br and CN". он several products a) Define the reaction conditions for the reaction above. Explain in detail. b) Which of the anions will take part in the reaction? Explain. c) Provide the structures of all major products. Specify the stereochemistry where applicable and state the reaction type leading to each product. d) Provide a reaction mechanism for the formation of the products listed in c.1) Carry out TWO of the following three synthesis. (You can do the third one for . Provide all the reagents and show all structures of the products formed in each step, not just a list of reagents. a) Benzene b) Benzene c) Toluene p-aminobenzoic acid OHC COOH
- How is the mechanism for oxymercuration/demercuration reactions of alkenes understood? How are the (Markovnikov) products predicted and what reagents would you need to use to incorporate this reaction into a multistep synthesis strategy. Finally, what makes this a potentially more useful way to synthesize alcohols from alkenes than simple acid hydration?Choose the right reagent or series of reagents from the ones listed to synthesize the following molecule (see picture) from benzene (C6H₁) or toluene (C6H5 CH₂). COOH NH₂ C6H₁ and HNO3, H₂SO4 followed by CH3 Cl, AlCl3 then KMnO4, A ○ C₁H₂CH3 and KMnO4, A, followed by HNO3, H₂SO4 ○ C6H₂ CH3 and HNO3, H₂SO4, followed by KMnO4, A, then Zn, HCI C6H₁ and CH3OH followed by KMnO4, A, then HNO3, H₂SO4 C6H₁ CH3 and HNO3, H₂SO4, followed by Zn, HC1Please provide a curved-arrow mechanism for the following reaction. Be sure to use your mechanism and a few words to explain the regiochemistry of the bromines in the final product and why each carbocation intermediate in your mechanism is the preferred intermediate for that step. Include ALL lone pairs and formal charges. Thank you.
- Draw the structure of the major and minor organic product(s); provide the reactants, or provide the starting material for each of the following reactions. Indicate which products) are major and minor making sure to include stereochemistry when appropriate. If no reaction is predicted indicate such with "No Rxn"1.) Design a detailed synthetic route to prepare the following compound using cyclopentane, cyclohexanone, cyclohexan-1,3-dione, benzene, phenol, diethyl malonate, ethyl acetoacetate, as the starting materials, and any other reagents of less than 5 carbon atoms (including 5 carbon atoms). O OEtStarting with benzene and using any other necessary reagents of your choice, create a synthesis (or sytheses) for each of the following compounds.
- c) Propose a synthesis of the following compounds starting with benzene or toluene. Assume ortho and para isomers can be separated. 0₂N- i) ii) (H3C)3C CI NH₂ -COOH C(CH3)3 CH3 NHCOCH3 iii) CH₂CH3 d) With the aid of resonance structures explain why electrophilic substitution of benzaldehyde takes place preferentially at the meta position.1) Write a detailed, stepwise mechanism for the following reaction. In your mechanism, provide three products, which result from your termination steps (reactions with the wall of the vessel do not count!) CH3 -CH;Cl + HC1Provide the missing reagents to complete the reactions below, if there is more than one step required, be sure to indicate appropriately.