Br Br O-Na+ heat + CO, + Na+Br Br

Q: Which stage of the following reaction scheme for the acid-catalysed hydrolysis of an ester does not…

A: Ester hydrolysis is a reaction that breaks an Easter bond with  a molecule of water or a hydroxide…

Q: (2R, 3S) -3-phenylbutan-2-ol tosylate undergoes E2 removal when treated with sodium ethoxide. Draw…

A: Note : In E2 elimination OTs, H and ethoxide ion in one plane (anti periplanar transition state)…

Q: A carboxylic acid is formed when an a-haloketone reacts with hydroxide ion. This reaction is called…

A: The reaction of a α-haloketone with hydroxide ion is known as Favorskii reaction. In the first step…

Q: The following alkyne reacts with 9-BBN, followed by an oxidation with H2O2 under basic conditions…

A: Reaction:       The hydroboration of terminal alkynes produces aldehyde products while internal…

Q: Propose a mechanism for formation of 2-carbethoxy-4-butanolactone and 4-butanolactone…

A: 2-carbethoxy-4-butanolactone

Q: When carbon disulfide (CS2) is treated with an alcohol in the presence of base, the product is a…

A: The given reactions are:

Q: HN O= NH allobarbital This barbiturate can be synthesized in three steps from diethyl malonate: 1 &…

A:

Q: Vanillin can be reacted with a number of ketones to give interesting aldol condensation products.…

A: option- D is correct

Q: An organic chemist reacts 1-butanol with SOCI2 in pyridine, removes the major organic product, and…

A: The  best  method for the preparation of alkane chloride from alcohol is with the help of thionyl…

Q: 5) Which of the following statement(s) is (are) TRUE? а. C,H;O¯NA* CH;CHCH3 Br CH;=CHCH; C,H;OH 55°C…

A: The chemical reaction given is

Q: Provide the reagents needed to convert 1-butanol into each of the products shown below. Please…

A: The conversion taking place are given as,

Q: Carboxylic acids can be made by the hydrolysis of nitriles, which in turn can be made from an alkyl…

A: Alkyl bromides are a good substrate for nucleophilic substitution reactions. If an alkyl bromide…

Q: Under aqueous acidic conditions, furan undergoes a reversible ring opening reaction to give…

A: All steps by steps mechanism are shown in image.

Q: Starting materials Br Reagents HO. 1 34. a Mg / dry ether H₂C OH 6 b 1. CO₂ 2. acidic workup c NaCN…

A:

Q: The following stepwise reactions comprise a mechanism for the acid-catalysed hydrolysis of an ester.…

A: Organic chemistry is branch of chemistry in which we deal with organic reactions such as hydrolysis,…

Q: The following series of reaction steps will yield __________. 1) But-1-yne plus NaNH2; 2) the…

A:

Q: A carboxylic acid is formed when an a-haloketone reacts with hydroxide ion. This reaction is called…

A:

Q: A bacteria produces an aromatic product starting with the enolate shown below. Step 1. An aldol…

A: final product formula = C11H16O2 the name of the final product is Norecasantalic acid IUPAC name =…

Q: When the rate constants for the hydrolysis of several morpholine enamines of para-substituted…

A: σ or  substituent constant :  electron-withdrawing substituents have positive substituent constants…

Q: Base Catalyzed Add arrows indicating the flow of electrons and identify the steps in the mechanism…

A: Please find below the reaction mechanism.

Q: 4. The hydroformylation of internal alkenes with this rodhium catalyst leads to a mixture of linear…

A: The alkene functional group is identified by the presence of the carbon-carbon double bond. The…

Q: When a methyl ester is hydrolyzed under acidic conditions in H,180, the 180 isotope ends up in the…

A: To Find: To find the mechanism involved in the given reaction and explain why each ester undergoes…

Q: A Cannizzaro reaction is the reaction of an aldehyde that has no a-hydrogens with concentrated…

A: Given:

Q: ČOEt 1. EtO-Na+ OEt 3. NAOH, H,O, heat EtO 4. HCI, heat 2-Carbethoxy- 4-Butanolactone…

A:

Q: A Cannizzaro reaction is the reaction of an aldehyde that has no a-hydrogens with concentrated…

A: The mechanism for the following Cannizzaro reaction is:

Q: The reaction of 2-oxacyclopentanone with hydrochloric acid in water (i.e., “excess") produces which…

A: The solution is given below -

Q: Which statement best describes what is happening in step 2 of this mechanism? Н—В ОН CH;- CH3- НО…

A: The 2 step is decarboxylation due to the removal of CO2 molecule and with help of internal…

Q: Carboxylic acids can be made by the hydrolysis of nitriles, which in turn can be made from an alkyl…

A:

Q: Propose a mechanism to account for the formation of a cyclic acetal from 4-hydroxypentanal and one…

A:

Q: `a CH;(CO,El)2 a) H*/A Mg(OE1)2 b) H°/ELOH HC(OE1); -NH2 AcO F. K,CO, H* DMF OH OH `N' HN,

A: The above synthetic scheme involves 7 steps. In this scheme, condensation reactions, hydrolysis,…

Q: CoA C11H1602 H3C

A: First of all the negative charge of enol attack on carbonyl carbon to form six member cyclic ring.…

Q: Propose a mechanism for the 2-methylpropene method

A: Fischer esterification fail for the synthesis of tert-butyl esters. Instead, carboxylic acids are…

Q: Choose the most appropriate reagent(s) to selectively reduce the ketone functional group to an…

A: ->NaBH4 is reducing agent which can reduce ketone to alcohol and it is unable to reduce ester…

Q: 1. The ketone below is reacted with NaBH4. The products formed from this reaction are: i a. The…

A:

Q: ime left 0.00:0 What major organic product would you expect to obtain when acetic anhydride reacts…

A: The esterification reaction is the reaction of an organic acid RCOOH with an alcohol ROH to form an…

Q: 3. Identify the products that will be formed when 2-heptyne reacts with each of the following…

A:

Q: 3 Treatment of 1-aminoadamantane, C„H„N, with methyl 2,4-dibromobutanoate in the presence of a…

A: In the given SN2 reaction, 1-aminoadamantane act as a nucleophile and it make a bond with terminal…

Q: The bromohydrin below is converted to a different organic product (not shown) by treating it with…

A:

Q: 5. Treating y-butyrolactone with two equivalents of methylmagnesium bromide, followed by hydrolysis…

A: Grignard reagent + ester: In a Grignard reagent, an alkyl group is attached with electropositive…

Q: 1. 0.5 equiv. NaOEt/EtOH 2. Mild H30* 3. 1.0 equiv. NaOEt/NAOH 4. Br 5. NaOH, H2O 6. Mild H30* ? an…

A:

Q: 1. LIAIH, 2. H2O

A: LiAlH4 is a reducing agent which converts C=O group to CH2 group.

Q: + 2 MetoH H2SO4 + HzO + C HO. A

A: Fischer esterification reaction is the formation of ester as a product with the reaction of…

Q: Ketones, Aldehydes and Epoxides: Assume "then H,0" is included if a protonation step is needed R K V…

A: The answer is given as follows

Q: bacteria produces an aromatic product starting with the enolate shown below.Step 1. An aldol…

A:

Q: Devise the most efficient synthesis for the carboxylic acid below using a starting material and…

A: Interpretation - Most efficient route of synthesis for the given carboxylic acid is to be proposed.

Q: Which of the following carboxylic acid is the proper product of the reaction of 2-oxacyclobutanone…

A:

Q: Propose an efficient synthesis for the following compound using the malonic ester synthesis: COOH…

A: The desired product can be obtained by reacting melonic ester with base followed by nucleophilic…

Q: Which method - Grignard carboxylation or nitrile hydrolysis - would you use for each of the…

A:

Q: Addition of tert-butylbenzene to the strongly acidic solvent HF/SbF5 followed by aqueous workup…

A: A species with a larger size can easily accommodate negative charge. In other words, in a large size…

Q: Give the major product obtained from the acid-catalyzed hydration of each of the follow- ing…

A: Hydration of alkene: Alkene gives hydration reactions in presence of an acid catalyst. The reaction…