2) What two organic starting materials are required to produce cinnamaldehyde (PHCH=CHCHO) via a crossed aldol condensation followed by dehydration? A) PHCH3 and CH3CHO B) PHCHO and CH3CH2CHO C) PHCHO and CH3CH2OH D) PHCHO and CH3CHO cnolizable ketone to its enolate

2) What two organic starting materials are required to produce cinnamaldehyde (PHCH=CHCHO) via a crossed aldol condensation followed by dehydration? A) PHCH3 and CH3CHO B) PHCHO and CH3CH2CHO C) PHCHO and CH3CH2OH D) PHCHO and CH3CHO cnolizable ketone to its enolate

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter23: Carbonyl Condensation Reactions

Section23.3: Dehydration Of Aldol Products: Synthesis Of Enones

Problem 4P

See similar textbooks

Related questions

Q: Он о OH O Он о Он о H. ÓH II IV V Which of the following molecules is not a possible product when a…

A: Aldol condensation: The alpha hydrogen of carbonyl compounds is acidic in nature and it is removed…

Q: 2-Pentylcinnamaldehyde, commonly called flosal, is a perfume ingredient with a jasminelike odor.…

Q: 2-Pentylcinnamaldehyde, commonly called flosal, is a perfume ingredient with a jasmine-like odor.…

Q: UESTION 4 True or False. The initial prodact of the aldol reaction is a beta-hydroxycarbonyl…

A: A general aldol reaction:

Q: What starting materials are needed to prepare ar-turmerone using a directed aldol reaction?…

A: The reaction of propan-2-one with 4-p-tolylpentan-2-one in the presence of OH- results in the…

Q: 2. Illustrate detailed mechanisms for below attempted aldol reaction. CH3 CH H. ČH3 Na OH

Q: What product results when an aldol product is dehydrated? A) conjugated alkyne B) B-diketone C)…

A: Dehydration is a process in which H2O is leave

Q: 4. Give the structures of two compounds that can react together to form the following compound by a…

Q: Choose the incorrect statements: * a-Aldol is syrupy liquid β-hydroxy aldehyde or β-hydroxy ketone…

Q: Draw a stepwise mechanism for the following variation of the aldol reaction, often called a nitro…

A: Since the OH- will extract a proton from the alpha position in the molecule. And since only CH3NO2…

Q: Dehydration via an E1cb mechanism Michael Reaction Intramolecular Aldol Reaction В KOH / ELOH / heat…

A: We know, Micheal reaction is basically the nucleuphilic addition reaction which is basically 1-4…

Q: Which one of the following compounds does not undergo an aldol reaction with itself when treated…

A: Compound having atleast one alpha hydrogen can undergoes aldol reaction . Compound having none alpha…

Q: Draw the product of each attached directed aldol reaction.

A: LDA is the hindered base. It abstracts the proton from the least hindered α-C to form enolate ion…

Q: Aldehydes that do not undergo aldol condensation are I) propanal II) trichloroethanal III)…

A: 1) With Grignard's reagent aldehydes gives organometallic compounds which on hydrolysis gives…

Q: From the given structures which is (a) an acid halide? (b) a secondary amide (c) an aldehyde…

Q: Explain the below attached question

A: a) In cross aldol condensation reactions, one of the carbonyl compound is a keto or aldehyde group…

Q: What two molecules were condensed in an aldol reaction to form the compound below? H. and and H. and…

Q: 9) What is the produet of the following intramolecular aldol condensation reaction? КОН, СН,ОН H. H.…

A: The product of the intermolecular Aldol condensation is as follows.

Q: Is true about halohydrins, example bromohydrin the intermediate in a. the reaction mechanism is a…

A: Halohydrins are the organic molecules:

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

Q: Which of the following reagents do not react with ketone carbonyls (Question 3)

A: Please find below the reactions taking place with each reagent

Q: 2-Pentylcinnamaldehyde, commonly called flosal, is a perfume ingredient with a jasminelike odor.…

A: The aldehydes containing alpha-H reacts with base (diluted) and furnishes beta-hydroxy aldehydes…

Q: Draw the products formed in the crossed aldol reaction of phenylacetaldehyde (C6H5CH2CHO) with each…

A: (a)Reaction of phenylacetaldehyde with CH2 (COOEt) 2 is shown in 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: What starting material is needed to synthesize the following reaction? Aldol condensation ?? H

A: Aldol condensation reaction happens in two carbonyl group in the presence of the dilute NaOH. In…

Q: Show the detailed reaction mechanism symmetrical aldol condensation of propanal to…

A: Solution: Symmetrical Aldol condensation is nothing but the Aldol condensation of same substrate ( a…

Q: 2. Illustrate detailed mechanisms for below attempted aldol reaction. CH3 CH' H. H. NAOH CH3

A: Aldol reaction involves the formation of an enolate ion in the presence of a strong base for which a…

Q: Zingerone, a spicy-sweet component of cooked ginger, can be converted to its protected TBDMS ether…

A: The conversion of compound A to gingerol has to be predicted.

Q: osazone

Q: the product is given predict from what alkene reactant be made from, write the complete reaction on…

Q: What dicarbonyl compound is needed to prepare each compound by an intramolecular aldol reaction?

A: Aldol condensation: The aldehyde or ketone are reaction with each other in the presence of acid or…

Q: What aldol product is formed when two molecules of butanal react together in the presence of base?…

A: Aldol condensation takes place in only those aldehyde and ketone compounds which possess atleast one…

Q: In what situation can the yield of a single crossed Aldol product be increased? 1) The electrophilic…

A: Aldol condensation: Aldehyde or ketone having alpha hydrogen atom undergo condensation in the…

Q: Review Topics [References] The Robinson annulation is a combination of two carbonyl coupling…

Q: via an intramolecular aldol condensation? be used to make the compound shown below HDJCMD…

A: Intramolecular aldol reaction is the condensation reaction of to aldehyde groups are ketone groups…

Q: Your aldol condensation procedure calls for refluxing vanillin in acetone and NaOH for an hour.…

A: Aldehydes or ketones which consist of alpha-hydrogen react with any strong base such as NaOH to…

Q: Draw the product formed when each dicarbonyl compound undergoes anintramolecular aldol reaction…

Q: In theory, the intramolecular aldol reaction of 6-oxoheptanal could yield the three compounds shown.…

A: The mechanism of the given reaction involving the formation of (I) compound is shown as,

Q: Does it matter whether acetone is added first to the eq. NaOH solution then the benzaldehyde, or if…

A: Aldol condensation is a condensation reaction for an enol or an enolate ion. The final product form…

Q: Draw the enone product of aldol self- condensation of benzaldehyde. If self- condensation fails,…

A: • Since we know that for aldol condensation of any carbonyl compounds, it should have proton at…

Q: What conjugate base must be formed during the E1cb mechansim in an aldol condensation reaction…

Q: For the following reaction: H NaOH CH3CH₂OH a Draw the major organic product, assuming no…

Q: Aldol Condensation A 1.(CH3)2CuLi 2. H₂O/H* C 1. CH3MgBr 2. H₂O/ H* B

Q: Show how to prepare a,b-unsaturated aldehyde by an aldol reaction followed by dehydration of the…

A: Aldol reaction is a fine method to introduce a carbon-carbon bond and increase the number of carbon…

Q: What reactant can be used to make this compound by an intramolecular aldol reaction? (A) (B) (C) (D)…

Q: Identify the side product produced in the crossed aldol condensation below. OOH CH,CH,CH,CCHCH,CHCH,…

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…

Q: 2 teo NaOH, H₂O, A NaOH, H₂O, A 1. Me₂CuLi 2. H₂O Hint: Intramolecular aldol Hint: Aldol between two…

A: Note- Since the given question is a multipart question, hence I solved first three questions…

Q: Draw the enol intermediate and the ketone product formed in the attachedreaction.

Question

D)
2) What two organic starting materials are required to produce cinnamaldehyde
(PHCH=CHCHO) via a crossed aldol condensation followed by dehydration?
A) PHCH3 and CH3CHO
B) PHCHO and CH3CH2CHO
C) PHCHO and CH3CH2OH
D) PHCHO and CH3CHO
uart
"nolizable ketone to its enolate

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Protection of Groups in Organic Synthesis

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

18) What two organic starting materials are required to produce cinnamaldehyde (PhCH=CHCHO) via a crossed aldol condensation followed by dehydration? A) PhCH3 and CH3CHO B) PhCHO and CH3CHO C) PhCHO and CH3CH2CHO D) PhCHO and CH3CH₂OH b
c) Aldol – from start to finish NaOEt, ETOH
B) Which of the following compound will undergo self-aldol condensation in the presence of cold dilute alkali, why? D a)C6H5CHO b) CHỊCH,CHO ¢) CH=C-CHO d)CH2=CH-CHO
2 CH3COOCH,CH3 C2H5O'K*/C2H5OH ---> CH3COCH,COOCH,CH3 [+] Hofmann elimination Clemmensen reduction Claisen condensation O Cannizzaro reaction O Aldol condensation
2. Similarly, it is possible to obtain THC through a lactone intermediate and subsequent addition of a Grignar reagent. a) Indicate the possible intermediate lactone, b) the Grignar reagent used and c) Draw the reaction mechanism for the formation of THC through the Grignard reagent он n- equiv CH3MGI CBD
Fill in the missing reagents a-e in the following scheme:
2-Pentylcinnamaldehyde, commonly called osal, is a perfume ingredient with a jasmine-like odor. Flosal is an α,βunsaturated aldehyde made by a crossed aldol reaction between benzaldehyde (C6H5CHO) and heptanal (CH3CH2CH2CH2CH2CH2CHO), followed by dehydration. Draw a stepwise mechanism for the following reaction that prepares osal.
Draw the product formed (after dehydration) in the crossed aldol condensation of (CH²CH₂CHO) with CH₂(COOEt), in the presence of sodium phenylacetaldehyde hydroxide. draw structure
Acetal formation must be catalyzed by an acid. Explain why it cannot be catalyzed by CH3O-.
2. Cinnamaldehyde is used as a flavoring agent in cinnamon candies. Synthesize cinnamaldehyde by cross aldol condensation followed by dehydration.
2) An enolate attacks an aldehyde and the resulting product is subsequently protonated. W type of reaction is this? A) a Fischer esterification B) an acid-catalyzed aldol condensation C) a base-mediated aldol condensation D) a Hell-Volhard-Zelinsky reaction
Explain Alkylation of a Diethyl Malonate Derivative ?