8. Which of the following would be a reasonable synthesis of 2-butanol? НО- НО 1. BHy/THF 2 H,Ộ, HỌ но H₂O 1. BHy/THF 2 H O HO . III IV A.I B.II C.II D.IV
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- 1. What type of reaction explains solubility of phenol in sodium hydroxide? Explain the organic product formed. 2. How do the reactions of phenol samples with FeCl3 compare? Which structural component of the phenols account for the observationIn the reaction from compound 10 to compound 11, why the C=C bond is retained and is not hydrogenated? f) LiAlH4, Et2O, 08C; g) Ac2O, py, DMAP, CH2Cl2, RT, 77% over 2 steps;Complete the reaction: 42K19 → + β + [a]_____________
- Fill in necessary products reactants or reagants of these reactions. Please note the existence of enantionmers in some cases.The reduction of 4- nitrobenzaldehyde using sodium borohydride,MaBH4 in ethanolwhich is not a characteristic of reduction? liss of oxygen gain of electrons gain of hydrogen loss of protons and illustrates the polarity of a carbonyl group?C=OIn the lab for the synthesis of methyl m-nitrobenzoate from methyl benzoate using HNO3 and H2SO4 via EAS, the product is recrystallized to remove impurities using 95% ethanol. Would o-nitrobenzoate and methyl p-nitrobenzoate be considered impurities? If that is so, how come ethanol can remove o-nitrobenzoate and methyl p-nitrobenzoate, but has no effect on m-nitrobenzoate? Thank you.
- a. Give at least three characteristics of dichloromethane that makes it a good extracting solvent for the alkaloid.b. Why is it necessary to remove a stopper from a separatory funnel when the liquid is being drained from it through a stopcock?c. What are emulsions? Why do they form during extractions? How is the formation of an emulsion minimized? How are emulsions removed?What would the % yield of ester be if the reaction were simply allowed to equilibrate (i.e. no products are removed)? C3H7OH+C2H5COOH=C6H12O2+H2O Percent yield of ester was 71.6% weight of product= 20.7868g 19.0mL (0.25mol) of n- propanol 18.5 mL (0.25 mol) of propionic acid At room temperature, the equilibrium constant, Keq is approximately 3.Acid (phosphiruc acid) is catalyzing this dehydration reaction(cyclphexanol to cyclohexene). What does that mean? How many equivalents of acid were needed for the reaction to proceed?
- Choose the best reagents from the list provided below for carrying out the following conversion. Match the reagent with the step number. HCl (aq), Zn(Hg) KMnO4, H3O+ CH3Cl, AlCl3 HNO3, H2SO4 Cl2, FeCl3 fuming sulfuric acidWhere does the 40% and 60% product come from? How to determine this?complete the reaction 68