b) d) 4. What is the starting material used in the following reaction? O Ph 10%...
Establish what is the starting material(s) for the reaction and draw a full mechanism for the following reactions: Establish what is(are) the starting material (s) for the reactions, and draw a full mechanism for the ing reaction. a) NaOH, H2O, HEAT b) work-up Draw a mechanism that explains the formation of the product under the given reaction conditions a) NaOH, H2O b) work-up OH Establish what is(are) the starting material (s) for the reactions, and draw a full mechanism for...
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
1) The following mixed Claisen reaction produces only a trace amount of product. The starting materials are obtained upon isolation. Why? CO2Me CO2Me NaOME MeOH CO Me / dil. HCI Ph 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 2) Which of the following compounds will be formed from the reaction below: NaOH Ph H2O, THE 5...
Select all the possible reaction conditions that would enable the transformation of the starting material(s) into the product(s). Question 2 2 pts Select all the possible reaction conditions that would enable the transformation of the starting material(s) into the product(s) ? OCH3 OH a) H2SO4(cat), CH3OH b) work-up a) PBr3, solvent b)work-up a) NaOH, H2O b) work-up a) H2SO 4(cat), H20 b) work-up a) SOCI2, CH30H b) work-up Question 2 2 pts Select all the possible reaction conditions that would...
What is the starting material of this reaction? MeOH ? HE A B C D A OO B D
Question 10 6 pts What is the starting material for the following reaction? 1. DIBAH H 2. H2O
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 /...
What would be the ideal starting material of the following reactions? (The correct answers are circled, but I do not understand how those are the right answers.... please draw the mechanism or explain why those are correct). 10-11. (24 pts) What would be the ideal starting material of the following reaction? 10. (4 pts) HBr OH OH Ho NC Br 11 (4 pts) NaH OH b) Na c) Br (e) OH Br Na OH
2. Draw the major product(s) from the reaction of the starting material below with the following reagents: (12 marks) (a) (b) (1) BH3, THF (2) H2O2, NaOH, H2O Cl in excess EtOH (0) I-CI (d) (1) O3. CH CI: (2) Zn, acetic acid (e) (1) (1) OsO4, THF (2) H2S (1) Hg(OOCCH3)2, H2O (2) NaBH4, NaOH, H2O
Which starting material would work most efficiently to undergo the following transformation? N ? Ph O 0 Ph Ph тон Ph NH2 Ph O Ph Ph Н A B с D E A В) в Cc D D EE