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23. Select the product for the reaction shown: NaOH Ph H,O, THE 5 °C H ?...
23. Select the product for the reaction shown: NaOH Ph H2O, THE 5°C ? OH OH Ph Ph A. Ph B. C. Ph D. 3 27. Select the needed sequence of reactions to lead from the starting material to the desired product: OH OH A. PCC / Nah, MeOH / LDA, acetaldehyde / dil. HCI ? B. H2CrO4 / LDA, Mel / LDA, propanal i dil. HCI C. MCPBA / Nah, MeBr / Nah, propyl-1 / KOH D. NBS /...
30. Select the product for the reaction shown below: но KOH O Da, ? D. A. 0 B. C. 31. Provide the final product that results upon completion of the multi-step synthesis shown: NaoMe MeOH NaOME HO / dil PhyP-CH, OMo ? HCI Br NaoMe OH OH **Ph A. Br Br C. B. COH D
22. The mixed Claisen reaction shown provides product in only a trace amount. The starting materials are obtained upon isolation. Why? CO Me CO Me NaOme MeOH CO Me / dil. HCI Ph Y come A. pka of the propyl ester is too high B. there is only one a-proton C. the benzoate ester is resonance stabilized D. pka of the propyl ester is too low 23. Select the product for the reaction shown: NaOH Ph H2O, THE 5 °C...
QUESTION 22 Select the major product of the following reaction scheme: Reaction NaOH H H3C Acetone, EtOH 25 °C ora voda HEC B E OH O CHE нс нус CH F с H HC (No Reaction) CI CI ol. A oll. B o III.C IV.D .V. E o VI.F
Select the major product of the following reaction scheme: Reaction H NaOH |H₃C' Acetone, EtOH 25°C CH3 CH3 H3C H3C B E он о CH H3C H3C CH3 F с H3C (No Reaction) ol. A oll. B olII. IV.D OV. E O VI.F
Select the major product of the following reaction scheme: Reaction NaOH HCI NH2 H2O 25°C 100°C A D NH2 OH B E co -NH F NH2 NH2 (No Reaction) Ol. A OII. B oll. O IV.D OV. E OVLF
29. Draw the product of the following reaction: O O O C. OH + CH3COCCH3 NaOH H₂O OH Salicylic acid (o-hydroxybenzoic acid) Acetic anhydride
8. Give the major organic product of each reaction. NaOH,H,O c. mild H a. LDA b. مل، بل NaOH,H,O, heat c. mild H NaOH, H2O NaOH,H,O ) 9. Give the major organic product of each intramolecular Aldol reaction. NaOH,HO heat NaOH, H20 heat NaOH, H0
Predict the major product for the following reaction: NaOH/H,O 0 OH OH OH 0 OH iV
Predict the product of the following reaction sequence. (3 points) A Ph B Ph Ph- PH .Me 1. NaOH/H2O, heat 2. PhMgCI, THE 3. conc. H2SO4 с D Ph ОН Ph PH Ph1 Identify the product obtained from the following reaction sequence. (3 points) A 0 B o OH OH 1. NaOET, HOE HO HO 2. Å CO2H ii EIO ΟΕΙ C D 3. H20, HCI, A 4. H2SO4 HO CO2H