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- Identify the suitable reagents for the given reaction and arrange them accordingly. 1 OH OEt 2 OEt OEt O 1) EtOH, H₂SO4; 2) EtOH, H₂SO4 O 1) EtONa followed by H₂O; 2) TsCl/py followed by EtONa O 1) EtONa followed by H₂O; 2) NaH followed by EtBr O 1) EtOH, H₂SO4; 2) NaH followed by EtBr O 1) EtOH, H₂SO4; 2) TsCy followed by EtONaAnswer the following questions from the reaction given below: OH OH 1) BH3-THF 2) NAOH/H2O2 OH C a) What is the major product(s) of the reaction (A-D) ? b) What is the mechanism by which the major product is formed ? c) Is the reaction Regioselective ? Explain DI A.What is the major product formed in the following reaction? 1) ВНз THF major product? 2) Н202, NaOH HO. 1) 2) OH OH 3) 4) HOH
- OIV OV What is the predicted product of the elimination reaction shown? IV OH HO conc. H2SO4 heat || V IIIWhich of the following is a keto-enol tautomeric pair? HDJCMD O A) OH B) :- OH MacBook Air 23 80 F4 F3Provide the reactant for the following reaction? ow all stereochemical products if required. H₂ Pt Draw the two stereoisomeric products for the following halohydrin reaction. Cl₂ MeOH
- Identify the suitable reagents for the given reaction and arrange them accordingly. OH A+&+F OEt 1 2 OEt OEt 1) EtOH, H₂SO4; 2) EtOH, H₂SO4 1) EtONa followed by H₂O; 2) TsCl/py followed by EtONa 1) EtONa followed by H₂O; 2) NaH followed by EtBr O 1) EtOH, H₂SO4; 2) NaH followed by EtBr O 1) EtOH, H₂SO4; 2) TsCmy followed by EtONaH₂C N-C-CH3 A H3C CH3 Reaction: Bromination N B CH3 H3C-N-CH3 Which compound (A, B, or C) reacts the fastest? Which compound (A, B, or C) reacts the slowest? undergo the electr Cно CH3CO₂Et LDA, -78 °C NaOEt EtOH in addition to the mechanism predict which product is favored
- Determine the reagents required for the following syntheses. More than one reaction is likely required. a) b) c) d) OH OH olm NH₂ MeO NHMe Me. Me OH OHWhich compound is the dominant product of the reaction below? (1) CH; CH,M gBr/THF (2) dil. H*/H;O OH OH он Compound A Compound B Compound C Compound D Compound A OCompound C Compound D Compound BStep 2: A hemiacetal formation has a similar mechanism to the hydrate reaction, except 1 equivalent of alcohol is added instead of water. 1² R₂ R₁ LOR3 R₁ R₂ The hemiacetal reaction is also reversible and can also be catalyzed by either acid or base. Hemiacetals are not usually isolated, except in the formation of 5- and 6-membered rings, as often seen in carbohydrate chemistry. Identify the hemiacetal formed from the intramolecular cyclization of the molecule shown. OH H OH R3OH OH OH OH CH₂OH NaOH ?