8) Indicate the MAJOR product for each of the following reactions: OH CH3I (excess) HO OH Ag₂O (functions as mild base) 1) HCN 2) H₂/Pd/BaSO4/ H₂O 1) NH₂OH 2) Ac₂0 3) NaOCH3 HO H. O HO -H H -OH HO H -OH CH₂OH -OH H₂ I H- HO-H OH CH3 (HINT: Kiliani-Fischer Synthesis) (Hint: Wohl Degradation)
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- For butenafine, develop a synthesis that starts with napthalene and benzene. (aromatic methyl groups can be converted to alkyl bromides using Br2/light, and aldehydes by heating the alkyl bromide in DMSO, eg. ArCH3 to ArCH2Br then to ArCHO).Write out the reaction of Bromination of E-stilbene using chemdraw (ACS 1996 format). Include all reagents, products, solvents, reaction temperature and yield. Reagents used include glacial acetic acid, E-stilbene, and pyridinium perbromide, otherwise known as PHPB. Glacial acetic acid: 10mL Stilbene: 0.5g Perbromide: 1.0g Product yield (Precipitate) weight: 0.63gShow the two step dissociation process for H2SO4. Do both acidic hydrogens dissociate 100%?
- Which or which of the statements given below is correct. I) Maleic anhydride is a carboxylic acid derivative and its reaction with water is a reduction reaction. II) Fumaric acid and maleic acid are stereoisomers of each other III) Since fumaric acid has a more stable structure than maleic acid, its boiling point is higher. A. Solo I B. I and III C. II and III D. I, II, III E. Solo III(a) Illustrate the following name reactions giving suitable example in each case :(i) Clemmensen reduction (ii) Hell-Volhard-Zelinsky reaction(b) How are the following conversions carried out?(i) Ethylcyanide to ethanoic acid (ii) Butan-l-ol to butanoic acid(iii) Benzoic acid to m-bromobenzoic acidTo prepare butanoic acid from 1-propanol, which sequence of reagent(s) is/are best employed? a) (1) NaCN; (2) H2O; (3) [H+] b) LiAlH4 c) K2Cr2O7 in acid d) (1) PBr3; (2) NaCN; (3) H2O; (4) [H+]
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- Using your knowledge of general chemistry and organic chemistry, answer the following questions: Predict the relative acidities within each of the following groups, then identify the conjugate bases, and finally predict their relative leaving group abilities HClO3 and HClO2 PH3 and H2S [NH4]+ and [H3O]+ Explain why the trifluoromethane sulfonate (TfO-) ion is a better leaving group than the methanesulfonate (MsO-) ion.Hi,I need help with this chemistry question, please and thank you From the reaction between pyrrolidine and 2-methylcyclohexanone in an acid medium, enamines I and II can be formed. Describe which of the two is formed preferably and explain why?Base from the illustration: 1. Which compound/s will test positive in Baeyer’s test? 2. Which compound/s will produce an orange precipitate upon reaction with 2,4-DNPH? 3. Which compound/s will test positive in the Iodoform test? 4. Which compound/s will produce a brick-red precipitate upon reaction with Fehling’s reagent (CuSO4, tartrate, NaOH)? 5.