When exposed to a radical initiator, the C-H bond in HCC13 will cleave homolytically and undergo radical addition to alkenes. With this in mind, propose a mechanism for the following reaction: CCB 0 HCC13 peroxides
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- All rearrangements we have discussed so far have involved generation of an electron-deficient carbon followed by a 1,2-shift of an atom or a group of atoms from an adjacent atom to the electron-deficient carbon. Rearrangements by a 1,2-shift can also occur following the generation of an electron-deficient oxygen. Propose a mechanism for the acid-catalyzed rearrangement of cumene hydroperoxide to phenol and acetone.Nonconjugated , -unsaturated ketones, such as 3-cyclohexenone, are in an acid-catalyzed equilibrium with their conjugated , -unsaturated isomers. Propose a mechanism for this isomerization.Compounds X and Y are both C,H15CI products formed in the radical chlorination of 2,4-dimethylpentane. Base-promoted E2 elimination of X and Y gives, in each case, a single C-H14 alkene. Both X and Y undergo an SN2 reaction with sodium iodide in acetone solution to give C-H151 products; in this reaction Y reacts faster than X. What is the structure of X? • Do not use stereobonds in your answer. • In cases where there is more than one possible structure for each molecule, just give one for each. • 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. In (F ChemDoodle
- Questão 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 nahCompounds X and Y are both C7H15Cl products formed in the radical chlorination of 2,4-dimethylpentane. Base-promoted E2 elimination of X and Y gives, in each case, a single C7H₁4 alkene. Both X and Y undergo an SN2 reaction with sodium iodide in acetone solution to give C7H15l products; in this reaction Y reacts faster than X. What is the structure of X? • Do not use stereobonds in your answer. • In cases where there is more than one possible structure for each molecule, just give one for each. . 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. наTopic: Elimination of Alkyl Halides When 2-bromobutane is reacted with CH3O-, two alkene products, namely 2-butene and 1-butene are obtained. Give an explanation why the E2 reaction produces 2-butene as the major product
- What alkene is needed to synthesize each 1,2-diol using [1] OsO4 followed by NaHSO3 in H2O; or [2] CH3CO3H followed by −OH in H2O?The reaction of methylpropene with HBr, under radical conditions, gives two intermediates. Propose a mechanism for the formation of the two products. Propose a mechanism for the following reaction and use electronic factors to account for the formation of a major product: CH2 CH2Br N-Bromosuccinimide (NBS) ho, CCI4 Draw the structure of an antioxidant, Vitamin E free radical and use resonance structures o account for its stability.Para-substituted product was produced when phenol reacts with cyclohexanecarbonyl bromide in the presence of AIB13. -Br Cyclohexanecarbonyl bromide (i) Outline the mechanism for this reaction. (ii) Draw the alternative substituted product formed.
- I7.00 ☺ السبت ۱ا ديسمبر 1:80 T Compare the following two molecules Enantiomers, diastereomers, or the same? он но HO -H -H- HO". он но- но- -H OH 1 Assign The Chiral Center as R or s HS H2N-CH но Nucleophilic Substitution1) Nucleophilic substitution reaction of alkyl halide is a process when nucleophile replace the leaving group of alkyl halide. Propose the mechanism and product(s) for the following substitution reaction. а) H3C-C- Br OH- +Identify two alkenes that react with HBr to form 1-bromo-1-methylcyclohexane without undergoing a carbocation rearrangement.