True or False The synthesis of dibenzalacetone is an example of Aldol condensation The synthesis of ethylacetoacetate from ethyl acetate is an example of Claisen Condensation Starting with a 1,6 - diester and treating it with NaOEt would be an example of Dieckmann Condensation If one starts with a 1,6 - diester then you will end up with a 5 membered ring A nucleophile that adds to the beta carbon of an alpha, beta unsaturated aldehyde or ketone would be considered soft

Q: (b) Why is the Claisen-Schmidt reaction a special type of aldol condensation?     one of the…

A: Answers of the above questions given below.

Q: 7. How would you make each of the following compounds using substitution reactions? Propose a…

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Q: Draw the products of the two step reaction sequence shown below. Ignore inorganic byproducts. HO…

A: The attack of PBr3 on alcohol follows SN2 reaction.

Q: Draw the major product of this elimination. Consider regiochemistry and stereochemistry. Ignore…

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Q: Aldol condensation- Synthesis of Dibenzalacetone reaction What is this reaction classified as

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Q: An enolate attacks an aldehyde and the resulting product is subsequently protonated. What type of…

A: -> Aldol condensation proceeds in two waysAcid catalyzed Base catalyzed-> In acid catalyzed…

Q: H3C. CH3 H3C. Br2 Mon H3C CH 3 FeBr3 H3C CH3 After the bromination reaction, the bromine substituent…

A: Bromination to the benzene ring in presence of Br2/FeBr3 follows Electrophilic aromatic substitution…

Q: Fill in the appropriate reagent or starting material in each of the attached reaction.

A: In this reaction , we can see that , there is a formation of thiol in the product side of the…

Q: Show all possible Claisen condensation products AND their hydrolysis and decarboxylation products.…

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Q: What Grignard reagent and aldehyde/ketone will you use to prepare pentan-2-ol (2-pentanol)?

A: Grignard reagent is an organometalloc compound which is represented by R-Mg-X. Grignard reagent…

Q: CHCla NaOH

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Q: НООС OH 1 2 H2 1. p-Toluenesulfonic acid Oppenauer Oxidation HO Lindlar Catalyst 2. H2, Pd/C

A: For the above organic synthesis, the following transformations must be known: 1. H2 in presence of…

Q: The first step of the dimedone reaction involves an aldol reaction. Here is a simpler version -…

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Q: The haloform reaction is an efficient method for converting methyl ketones into aldehydes.

A: Haloform reaction : In those carbonyl compounds where keto-methyl group is present , that carbonyl…

Q: 11. two moles of ethyl phenylacetate undergo condensation to give a beta-keto ester. 12. a…

A: We have to write the structures of the following reactions 11. two moles of ethyl phenylacetate…

Q: H* HO

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Q: + en

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Q: Draw a structural formula for the product of crossed aldol reaction and for the compound formed by…

A: When carbonyl carbons having alpha hydrogens react in the presence of base forms β- hydroxy…

Q: SN1 solvolysis of t‑butyl chloride, rank the solvents from fastest reaction to slowest reaction.

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Q: Which would be the best reagent to convert benzaldehyde to benzoic acid? O PCC KMnO4 NaBH4 OLIAIH4

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Q: Reaction Scheme: 5 CHO NO₂ 6 L-tryptophan H₂O OH do 7 NO₂ Representative procedure for the…

A: The objective of the question is to predict the structure of syn aldol and also explain if…

Q: Acetal product formation is difficult, since hemiacetals are stable while acetals are not stable.…

A: In this question, we will see this given statement in the Question is true or false.  We will…

Q: 1. Show the steps necessary to make this compound using a Wittig reaction. Start with…

A: This is an example of modified Wittig where unstabilized ylide give E-selectivity

Q: Mixed aldol condensations involving benzaldehyde yield typically a single prodact Draw the structure…

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Q: What is an appropriate stepwise synthesis for the following synthesis that uses 1-propanol as the…

A: Step 1:  1-propanol reacts with PCC/CH2Cl2 to form the corresponding aldehyde. Step 2: The aldehyde…

Q: 3) Provide the structure of the product which forms after the base-catalyzed condensation followed…

A: Aldol condensation: Carbonyl compounds having alpha-hydrogen undergo condensation in the presence of…

Q: д O2 Cu(bpy) (NMI) cal TEMPO cat acetone х OH ОН но он H₂SO4 cat toluene де НО H₂SO4 cat HO Н OH Ба…

A: A protecting group is a chemical functional group that is temporarily attached to a reactive site on…

Q: The reagent is a Grignard reagent and is a source of CH3CH2- anions. Which epoxide carbon will the…

A: The epoxides are strained and undergoes nucleophilic addition reaction with Grignard Reagent.

Q: Draw the major product of this elimination. Consider regiochemistry and stereochemistry. Ignore…

A: When alkyl halides heated with bulky base like (CH3)3CONa in (CH3)3COH produces less substituted…

Q: NaOH/H2O + HO-

A: Aldehydes, which do not have any α hydrogen atom, undergoes cannizzaro reaction when they are…

Q: Enolates are formed by deprotonation of an α-carbon hydrogen. Answer the following questions about…

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Q: H روه Base Aldol Product the Mal NaOH H₂0 Condensation Product

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Q: The reaction ofa ketone with an aldehyde in the preserice of a strong base is an example of a mixed…

A: In aldol condensation reaction atleast one alpha hydrogen present in carbonyl compound. In this…

Q: Which combination of organic bromides and dicarbonyl compound can be used to prepare the following…

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Q: Why would concentrated HBr be an inappropriate catalyst for the dehydration of alcohols?

A: Alcohols upon dehydration to give alkenes  It is an example for elimination reactions Generally…

Q: Draw the major product of this reaction. Ignore inorganic byproducts. DMP (Dess-Martin Periodinane)…

A: Dess–Martin periodinane (DMP) is used for the oxidation of primary alcohols to aldehydes and…

Q: The product below can be synthesized by a Robinson annulation, which is a Michael addition followed…

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Q: Draw the two ethyl esters which could be used to make the mixed Claisen product shown below.

A: Clasien ester condensation :  The Claisen condensation is a carbon–carbon bond forming reaction that…

Q: 1. An aldol reaction begins with addition of a catalytic amount of base to an aldehyde or ketone.…

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Q: Crossed Claisen condensation reactions require: 1) Two esters where only one can form an enolate…

A: Claisen condensation is a basically cabon-carbon bond formation reaction.The reaction occurs between…

Q: 1. Provide the reagents necessary to carry out the following conversion. A 5-cyclopentyl-1-pentanol…

A: Since you have asked multiple questions, we will solve the first question for you according to our…

Q: Use the condensation reaction of acetaldehyde (CH3CHO) as an example to show the mechanism of aldol…

A: Aldol condensation Reaction: This reaction is for the aldehydes or ketones which has alpha…

Q: بلدي بلدند Write the mechanism for the Claisen reaction. NaOCH3 HO

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