We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
26. Select the product for the transformation indicated: CO Me COMO Meo OME NaoMe MOH CO,...
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 /...
13. Select the key step for the mechanism of decarboxylation: 0 HO OH Оме HO H2SO4 OME Me product O'HO A В. D 14. Which reagent(s) is(are) needed to complete the desired synthesis?: 0 ? A. NaOme MeO H dil. HCI B. NaOH, CHO} heat C, LDA, (MO) CO / MCPBA D. CO, heat
10. Select the compound that can not be made using the malonic ester synthesis: O O OH MeO Оме OH Ph OH A. B. Ph C. D. 11. In general both the malonic ester and acetoacetate synthesis require the addition of dilute acid in order to generate the final product. Why? A. the alkoxy cation needs to be eliminated C. the ionized cation partitions to the aqueous layer B. the stabilized enolate adds a proton in the separatory funnel D....
Thank you for answer my question, I will rate the best
answer!
What is the product for the following reaction? Provide a stepwise mechanism. Meo OME NaOME MeOH dil. HCI ? CO2Me CO2Me مل OH OH CO2Me CO Me A. C. D. B.
21. Benzaldehyde is treated with 3,3-dimethyl-2-butanone and KOH at 100 °C. Select the resulting product: Ph OH OH O Ph Ph Ph A. B. C 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 dil. HCI .COMe Ph A. pka of the propyl ester is too high B. there is only one c-proton C. the benzoate ester is resonance stabilized D. pka of...
1) Which product will be created by these reactions: i ) je te si are Å Br Br Br2 مل Br Br Br AcОН A. B. C. D. ii) z B. D. 2) Which of these compounds cannot be made using malonic ester synthesis? O OH Meo OME OH Ph ОН A. B. Ph C. D. 3) Why do malonic ester and acetoacetate synthesis require diluted acid to generate the final product? C. the ionized cation partitions to the aqueous...
30. Select the product for the reaction shown below: HO KOH A. B. C. 31. Provide the final product that results upon completion of the multi-step synthesis shown: NaoMe MeOH NaoMe H30+ / dil A Ph3P=CH2 ? OMe HCI Br Br NaOME O OH OH P+Ph3 Br A. Br C. D. B. CO2H
24. When enones are treated with peroxide under basic conditions, epoxy ketones are formed. Which intermediate is consistent with the mechanism?: 3-OK OK ко, р-он OK KOH HOOH OH ОН "O-OH B. C. D O 25. A key step in the synthesis of a piperidine drug is shown below. Which reagent is needed to allow the reaction to proceed?: ? Eto, Ph NMe A. 2 NaCl C. 2 NaNO, ΟΕΙ Me Ph B. 2NaOEt D. EtOH, 5C CI CI 26....
o GO 34. Aryl diazonium ions are formed from anilines reacted with: A. HNO, B. HNO3, H2SO4 C. H2NNH, KOH D. NaNO, HCI 35. Starting with phthalic anhydride, which other reagents are needed for the Gabriel amine synthesis?: ? A. NH3, A/KOH, 1-pentyl-Br /H2NNH2 NH2 B. KOH, NH3 /LDA, 1-pentanol /NaOH C. NBS, Br, A/HCI, pentanamide / NaNO2, HCI D. NH3, HCI / NaH, 1-penty-CI/ KCN 36. Select the final product for the multi-step sequence indicated below: NHACCI EICI NaNO2...
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...