Q: The major product of the following reaction is он H,SO, heat
A: First lone pair of OH will attack on H of H2SO4. See the written solution.
Q: Examine Solved Problem 7.3. Your task is to prepare A in the highest possible yield by…
A: Interpretation: To prepare A i.e 2-methyl-1-butene by dehydrobromination in highest possible yield…
Q: then Br then Br Br
A: Solution: We know alpha hydrogen to the any carbonyl group are acidic. If there are two different…
Q: For the following structure, (a) propose the starting materials necess it through an aldol reaction.…
A: When aldehyde and ketone having α-hydrogen are treated with dilute alkali , forms β-hydroxy…
Q: Please draw a complete mechanism to account for the process shown below, including ALL resonance…
A: In the given reaction NaNO2 reacts with HCl to form NO+ which acts as an E+.
Q: Write the detailed mechanism for the following tranformations.
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Q: Provide the full mechanism for nitration of benzene. Show how the electrophile is formed and how the…
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Q: Explain in details the mechanism of preparing B-ionone from first step till last step. Please write…
A: Applying concept of organic synthesis and reagent.
Q: Supply the structures of reactant(s) or product(s) for the following aldol and Claisen reactions
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Q: Give a complete mechanism for the following substitution reaction. at Br ethanol
A: it is nucleophilic substitution, solvolysis reaction in which ether formation takes place.
Q: The by-product of the aldol reaction is not drawn here, what is it?
A:
Q: b) Provide the structures of all products from this crossed aldol condensation reaction. CH3 1) Но…
A: Aldol condensation is the condensation between two molecules of aldehydes or ketones containing…
Q: Except for the Tollens test, basic aqueous conditions are generally avoided with sugarsbecause they…
A: The base catalysed epimerization of glucose takes place as follows:
Q: In other reactions, both reactants may have acidic Hydrogens, leading to two different products.…
A:
Q: Give the major elimination product derived from each of the following elimination reactions. Pay…
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Q: From the given structures which is (a) an acid halide? (b) a secondary amide (c) an aldehyde…
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Q: 4. Write the structures of the immediate aldol condensation product and that of the aB unsaturated…
A: Aldol condensation: Acidic proton at alpha position of carbonyl group abstracted by base. The anion…
Q: Which compound is a likely product of the reaction sequence shown?
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Q: (1) Which has a single enolizable Hydrogen? (2) Which of the following produces an aldol and an…
A: Aldol condensation reaction- under acidic or basic medium the enolizable beta- hydrogen of carbonyl…
Q: A student wanted to prepare (1-Ethylpropoxy)cyclopentane by heating cyclopentanol and pentan-3-ol…
A: The given structure is represented as follows:
Q: please show and explain the mechanism of the Formation of epoxide by reaction of an alkene with a…
A: Peroxy acids are generally unstable in nature but meta-chloroperoxybenzoic acid is an exception. It…
Q: What reaction sequence would lead to the following transformation? ?
A: here we are required to predict the reagent needed to carry out the following conversion.
Q: illustrate detailed mechanisms to complete the reaction
A: Alcohol reacts with HBr gives a rearranged product. Intermediate is carbocation, hence carbocation…
Q: The phenyl group, C6H5, is known to be an ortho/para-directing group. (a) With that in mind, predict…
A: Firstly, one thing to remember is that all the ortho/ para directing groups has one pair of…
Q: Can 2,4-pentanedione undergo an intramolecular aldol addition? If so, why? If not, why not?
A: Aldol addition in organic chemistry is a chemical reaction in which an enol or an enolate ion…
Q: Is the reaction possible? are there any ways to synthesize the aldol product without having other…
A: The given reaction is an example of cross aldol condensation reaction. Various products are possible…
Q: Which of the following pars will give two cross-aldol products? and and and (HC),C CHO and
A: Cross aldol condensation are those in which two different aldehydes are used.
Q: Which of the following reacts fastest with methanol by the SN1 mechanism?
A: Tertiary alkyl bromide is the alkyl bromide in which carbon atom bearing bromine atom is attached to…
Q: Please write the full mechanism of the following reaction
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Q: Illustrate the steps of a directed aldol reaction between a ketoneand an aldehyde, both of which…
A: Aldol reaction: It is reaction occurs between aldehydes, in which β hydroxy aldehyde (aldol) is…
Q: 5) Provide a complete and detailed mechanism for these transformations. OH heat, acid +
A: We have to predict the mechanism for given reaction.
Q: Give the full mechanism leading to a neutral organic product as a series of letters, dashes, and…
A: First we would write reaction between given reactant and reagent. Then accordingly we can write…
Q: (a) (b) HO (с) (d) -CO2H О (а), (b) О (Б), (с), (d) О (а), (d) О (а), (с), (d)
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Q: . Discuss the role of the Aldol condensation reaction in the synthesis below. What specific reaction…
A: Alpha hydrogen contained carbonyl compounds in presence of dilute base gives beta-hydroxy…
Q: What product would you expect to obtain from aldol cyclization of hexanedial, OHCCH2CH2CH2CH2CHO?
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Q: H2N
A: We have to predict the synthesis of the given compound, from cross aldol reaction.
Q: Give complete mechanism of the following reactions, thank you!
A: Substitution reaction- The replacement one atom or group of atom from reactant species with another…
Q: HO H2SO4 H2O, heat
A: This reaction proceed through E1 mechanism And the product of this reaction is
Q: Please provide complete explanation. Thank you! Is recrystallization necessary in synthesizing…
A: Interpretation- We have to tell that , Is recrystallization is necessary in synthesizing…
Q: 3. Is it possible to obtain aldol condensation product from the reaction of (CH3)½CHCO with itself?…
A: Aldol Condensation occurs when the base abstracts alpha hydrogen from the carbonyl compounds (…
Q: Kindly predict the product of this reaction
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Q: Which of the following is the product of the reaction sequence below?
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Q: NaH THE OEt
A: Given reaction is the Claisen reaction. In this reaction one ester and a carbonyl compound react.
Q: please explain the mechanism of ring opening of an epoxide by reaction with nucleophile under acidic…
A: The reactions of Epoxides with strong nucleophiles requires a strong driving force that helps in the…
Q: Provide the complete mechanism using Curved Arrow Formalism for the reaction of benzoic anhydride…
A: Amine is a nitrogen containing functional group. It can act as a base or nucleophile. Carbonyl…
Q: Give detailed mechanism of following reactions?
A: First step is conversion of ethyl 3-oxobutanoate (ester) to 3-oxobutanoic acid (carboxylic acid)…
Q: Which step in the mechanism of the Aldol condensation reaction of a ketone is the one that makes the…
A: Aldol condensation reaction is a reversible reaction. Here dilute base NaOH is used to form an…
Step by step
Solved in 2 steps with 2 images
- For each reaction, draw the complete mechanism and the major organic product(s), paying attention to stereochemistry. (a) (b) OH LOH (еxcess) ? ? CH,Cl2 CH2CI2Explain the following reaction with a mechanism.What will be the major product of the following reaction and what is the likely mechanism for its formation? (CH;);COK Br racemic OCCCH3)3 OCCH3)3 ÓCCCH3)3 A B C D E
- (d) Explain the observed stereo-selectivity in the formation of product using Chelation model. OMe H3CQ Ph. Ph- Zn(BH4)2, CH2CH3 `CH2CH3 H OH THEw how enols, enolate ions, andenamines act as nucleophiles. Predictthe products of their reactions withhalogens, alkyl halides, and otherelectrophiles. Show how they areuseful in synthesis.Q3: write the structure and the mechanism of the aldol condensation product of each of the aldehydes. Also one of these aldehydes can undergo aldol addition, but not able condensation. Which one? Why:- a) H₂C CH₂ 3-methylbutanal b) سابع مرکب امرول H₂C 2-methylbutanal
- Name the reaction when acetone reacts with strong base NaOH to a,ß-unsaturated Explain give, ketone. the reaction with mechanism.(ii) Draw the structure of the product N formed in the crossed aldol reaction between ketone L and aldehyde M (no mechanism required). L + H M NO₂ NaOH H₂O/EtOH N C15H14NO4Give the product of the following reaction. ? H2