Question 27 Predict the FINAL (?) product (or a mixture of products) for the following synthetic transformation: two diastereomers A مه A B C D NaSH DMSO Br SN2 t-BuOK 1. OsO4 2. H₂O2 Hofmann product B Br2 Н2 Pd catalyst two diastereomers ? с D
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- When (CH3CH2)3CBr is added to CH3OH at room temperature, the product is(CH3O)C(CH2CH3)3. Propose a mechanism(s) for the reactions leading to theseproducts and use curved arrows to show the movement of electrons.When (CH3CH2)3CBr is added to CH3OH at room temperature, the product is (CH3O)C(CH2CH3)3. Propose a mechanism(s) for the reactions leading to these products and used curved arrows to show the movement of electrons.(a) What happens when CH3—O—CH<sub3 is heated with HI?(b) Explain mechanism for hydration of acid catalyzed ethene :CH2 = CH2 + HzO CH3—CH,—OH
- Why does the alpha hydrogen to a ketone have a lower pka value than the alpha h to an alkene. Draw a picture to explain ur a waysa. Propose a synthetic pathway for cis-[NiCl2(CO)2] using trans-effect. b. Propose the methods to differentiate the isomers in between [RhCl2(H2O)4]Cl and [RhCl3(H2O)3].H2O.Name the following amine, including R, S stereochemistry, and draw the product of its reaction with excess iodomethane followed by heating with Ag2O (Hofmann elimination). Is the stereochemistry of the alkene product Z or E? Explain.
- It's ET2CuLi sorry haha!! I just would like to know what the major product would be! Thanks sm!Predict the major products formed when 2- methyl-1-butene reacts with: H2, Pt/25°C. Show the reaction mechanism the given alkene reactions20. Identify the product for each step in the following reaction sequence. Write complete equations showing the structure of all reactants and products for each step. (a) Isopropyl benzene + NBS/heat ---------->A (b) A+ t-BuOK ---------> B (c) B + 1)BH3 followed by 2)H2O2/NaOH -----> C (d) C + PCC ------> D
- Which of these reagent(s) will not react with HOCH2CH2CH2COOH? A) NaCN in ethanol B) C2H5OH in the presence of an acid catalyst. C) (CH3CO)2O D) Concentrated H2SO4dedcue the major organic product from the following reations. be ablw to draw hydration halogenation hydrohalogenation, halohydrin formation, oxymercuratiom demercuration qnd hydroboration oxidation.Qa 18. Bromination of 5a-cholestan-3-one occurs at C-2 or C-4 to give 2 regioisomers. Two unsaturated ketones with lambdamax = 230 nm and lambdamax = 241 nm are yielded during dehydrobromination. Use Woodward-Fieser rules to distinguish between the two.