Working backwards, deduce the starting material that led to the indicated product through the defined reactions (1) NaNH, (2) Mel H3C CH3 (3) H₂ Pd/C
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- Could you please help with these questions? Thank you!1b) What will be the product of the following reaction? O₂N Br + (HO)₂B- Pd(OAc)₂ Degassed H₂O/AcetoneAre the following reactions possible? If so, predict the product(s) for the reactions below. Explain your predictions in details. You may support your explanation with the appropriate reaction mechanisms. (i) NaOH DMSO Br (ii) HO HI
- Please give the main substitution product for each of the following reactions, and indicate the dominant mechanism: (a) 1-bromopropane + NaOCH3 → (b) 3-bromo-3-methylpentane + NaOC2H5 →(b) Write the mechanism for the formation of products in following reaction. Clearly show the intermediates in the reaction. Which product is a kinetically controlled and which one is the thermodynamically controlled product? CH3 CI. CI. A½O3, HCI H Ph-C=C-CH3 Ph CH3 Ph H.What are the major products of these reactions? Show the mechanisms.
- Treatment of propadiene (an allene) with hydrogen bromide produces 2-bromopropene as the major product. This suggests that the more stable carbocation intermediate is produced by the addition of a proton to Br HBr. H2C=C=CH, H3C CH2 a terminal carbon rather than to the central carbon. Propadiene 2-Bromopropene (a) Draw both carbocation intermediates that can be produced by the addition of a proton to the allene. (b) Explain the relative stabilities of those intermediates. Hint: Draw the orbital picture of the intermediates and consider whether the CH, groups in propadiene are in the same plane.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.Predict the major product(s) for the following reactions. No reaction mechanisms are necessary
- By using "arrow-pushing diagram", draw the mechanism for each of the following reactions and predict the reaction as SNI, SN2, El or E2. (i) OH conc. H,SO, 120 °C CH3 (ii) Br NAOCH3 CH,OH (i) CI -CH; CH;CH;OH warm (iv) NaNH, H;C DMSOShow how you would carry out each of the following transformations.Identify product C and provide an arrow pushing mechanism
