15. What products are formed from treatment of the enolate shown with the following substrates? ONa+ With H OEt

Q: 35) Which of the following processes is an example of tautomerism (i. e. the rapid interconversion…

A: Answer: d Explanation: Tautomers are isomers of a compound in which position of electrons and…

Q: hich of the following can undergo an aldol self-condensation and yield multiple ifferent)…

A: -> In aldol condensation first of all in presence of base (like LDA) first of all enolate ion and…

Q: Enolates react with a,B-unsaturated ketones to afford the 1,4-addition product. What is the expected…

A: Michael  reaction. This is a carbon carbon bond forming reaction. Here a nucleophilic addition takes…

Q: Propose a mechanism for the aldol condensation of cyclohexanone. Do you expect theequilibrium to…

A: In base-catalyzed aldol condensation, nucleophilic addition of an enolate ion takes place on a…

Q: An a,ß-unsaturated carbonyl compound can be prepared by a reaction known as a…

A: LDA is used to abstract the ‘H’ from the less hindered side to form the carbanion. Since both the…

Q: 10. The following reactions are used to synthesize the drug, MDMA. Propose a mechanism for each…

A: Et3N acts as a base and remove acidic proton adjacent to nitro group . Heating favours removal of…

Q: Draw the structure of the major aldol product (prior to possible dehydration) of the following…

A: Final answer is given in explanation please see from there.Explanation:Approach to solving the…

Q: The first steps in the synthesis of azelnidipine, a calcium channel blocker, involves the reaction…

A: The formation of nucleophile from the β-keto ester A is shown below.

Q: Which of the following carbonyl compounds will NOT undergo Aldol addition reactions when treated…

A:

Q: Which of the following reactions does NOT lead to the carbonyl product shown? ii oia ..i ci Я осно…

A: the answer is in explanation Explanation:

Q: 5) Which of the indicated eliminations is easier? -HCI -HBr R Br H2SO, -HI T -H,0 6) Which of the…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: The aldol addition product of the following reaction is пон (2 mol) A OH C A D B KOH, H2O 6-8 °С OH…

A:

Q: 2 4 Br . ELOH B. Br/H2SO, C. E1ONA/EŁOH D. t-BUOH E. -BUOK/t-BUOH F. PCC G. HBr H. 1. BH3•THF 2.…

A: 1. HBr (addition reaction of HBr to alkene) 2. t-BuOk /t-BuOH ( E1 reaction. bulky base least…

Q: Predict the major product of the following reaction. NaOH iH MeO MeO HO MeO H MeO H HO azha H HO H₂O…

A:

Q: Draw the product(s) for the following reaction. NACN HCN

A:

Q: Propoase a plausible mechanism for the following transformation: HO H [H3O+] EtOH

A:

Q: Draw the structure of the major aldol product (prior to possible dehydration) of the following…

A: Aldehyde or ketone having -hydrogen atom undergo condensation in the presence of mild base to form…

Q: What is the major product of the following elimination reaction? H,SO, O A O B O D

A:

Q: Show a reasonable mechanism for the following reaction (Hint: Michael addition followed by…

A:

Q: What is the expected major product of the reaction shown? HO NaH Br Ph DMF O-DM Br Ph HO Ph -Ph Ph…

A:

Q: Which of the following nitrogen nucleophiles will produce an imine upon treatment with ethanal at…

A: Note: Aldehyde + methyl amine give imine ( see below).

Q: Which carbonyl compounds do not undergo an aldol reaction when treated with OH in H2O?

A: SOLUTION: Step 1: Aldol Condensation reactions are given by those carbonyl compounds which are…

Q: t the aldol addition product of the following reaction. HO A HO m Η NaOH, ΕΙΟΗ ΟΗ D E

A:

Q: 15. Which of the following would react fastest in an elimination reaction using NaOMe/MeOH? First…

A: Here elimination reaction will take place and Naome is common base for all. So will we see leaving…

Q: compound forms a single nitration product. What is its structure? Me HN. HNO₂ H₂SOA

A: The functional groups on the aromatic ring have the greatest influence on regioselectivity.These…

Q: Identify a type of reaction that can be used to prepare the compound below without the need for any…

A: The Claisen condensation is a reaction where new C-C bond is formed  between two esters or one ester…

Q: Provide the reactant for the following reaction? ow all stereochemical products if required.

A: 1) hydrogenation is occuring

Q: H,0 Br KOCCH) LOH NaH LOTS TSCI pyridine Br TSOH NBS HBr

A: Here all step is nucleophilic substitution reaction and elimination reaction(SN2 and E2). So that…

Q: CH3 CH2CH2CH3 H.-C. CH. CH CU CH

A: Major

Q: The compound “W” has a heat of vaporization greater than compound “M”. If both compounds are present…

A: The compound with greater vapor pressure has to be given,

Q: piligonoal o lo oo i gutwollot 6A. Draw all of the possible aldol addition and condensation products…

A:

Q: what starting materials are needed to synthesize the following compound by an aldol condensation…

A: It is an example of aldol condensation reaction  Here we are required to find the starting material…

Q: Draw the structure of the major aldol product (prior to possible dehydration) of the following…

A: For a molecule to show aldol reaction, it should have at least one alpha-H. Compounds which do not…

Q: GMU 737664 What is the expected product A for the following intramolecular aldol reaction? O CH3 O…

A: In this question we have to tell the product of the reaction.

Q: What is the major product to the following elimination reaction? DBN Br nts as ations aculty

A: When 1-bromo 2-methylpentane reacts with the DBN( a non nucleophilic bulky base) then it reacts with…