Q: prourde reagent tocarry out the followng trans tormation. h一文
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Q: Add H and Ci Markovnikov
A: According to Markovnikov rule, Richer become richer and poor become poor , it means that, compound…
Q: Step 3: Complete the resonance structure of the enolate form. Omit curved arrows. Erase Select Draw…
A: Keto-enol tautomerization: It is a chemical equilibrium between two structures keto and enol form.…
Q: Choose the best option for the diene precursor to the target molecule.
A: This is Retro Diels Alder reaction in which we have to find the diene and the dienophile.
Q: which is more reactive in E2 reaction
A: E2 stands for bimolecular elimination. The reaction involves a one-step mechanism in which…
Q: Does teriary alkyl haides or aryl halides reacact faster in a SN1 reaction?
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Q: HEAT
A: In this question, we want to draw mechanism for this reaction. You can see details mechanism below.…
Q: Fill in the blanks: Polar mechanism because it stabilizes the solvent favors the SN1
A: SN1 reaction is commonly known as unimolecular nucleophilic substitution reaction , rate of…
Q: Select the member of each pair that shows the greater rate of SN2 reaction with KI in acetone.
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Q: do the acetal forming mechanism
A: Given that, we have to show the mechanism for the formation of acetal.
Q: 4. Are there any RX compounds from part A that are not expected to undergo an Sn1 or SN2 reaction?…
A: Note: Chloro benzene, bromo benzene cannot participate in sn1 or sn2 due to unstable carbocation and…
Q: What steps use in the Robinson Annulation?
A: Robinson Annulation is an organic reaction, in which the reaction between methyl vinyl ketones and…
Q: Br Na C: CEN
A: Given reaction,
Q: Which reacts faster in an E1 reaction?
A: A weak base is favoured E1 reaction because carbonation is the intermediate in that reaction which…
Q: D. Is the nucleophile strong or weak? E. Is the solvent polar protic or polar aprotic? F. What type…
A: Note: polar protic solvent and weak nucleophile and secondary alkyl halide all favors a sn1…
Q: How does each of the tripling [RX] changes affect the rate of an E2 reaction?
A: INTRODUCTION: E2 reaction is also known as elimination bimolecular.It is a one step reaction.E2…
Q: Which carbon will be the best site for electrophilic aromatic substitution? A C
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Q: What is Lucas reagent made of? explain.
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Q: A nucleophilic addition is not considered SN1 or SN2 because: A.) The reaction proceeds through an…
A: Given, Nucleophilic addition is not considered as SN1 or SN2. Why? SN1 stands for unimolecular…
Q: Draw the major E2 elimination product formed from the attached alkylhalide.
A: The E2 elimination mechanism involves the abstraction of beta-proton by base and removal of halide…
Q: Drawing the Products of an SN1 Reaction Label the nucleophile and leaving group, and draw the…
A: the nucleophile and leaving group
Q: Good nucleophiles that are weak bases favor substitution overelimination. Explain this ?
A: Good nucleophiles are weak bases which favor substitution often.
Q: Why does increasing alkyl substitution increase the rate of an E2 reaction?
A: The increase in E2 reaction rate with increasing alkyl substitution can be rationalized in terms of…
Q: Draw a curved arrow mechanism of the following SN2' reaction. Make sure you show the intermediate…
A: In the given question we have to write following mechanism and intermediate involved in it.
Q: Which one favors E2 reaction? A) isopropoxide ion B) tert-butoxide ion C) ethoxide ion D)…
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Q: Mechanism of formation of Moclobemide?
A: The given compound is Moclobemide.
Q: Which will react slower in polar protic solvents
A: Polar protic solvent is polar solvent.
Q: Show how a 1,2-shift forms a more stable carbocation from each intermediate.
A: The shift occurs in ionic species .and the shift males the carbocation more stable. In 1st…
Q: d.) Write any reaction with an alkene that occurs via a syn addition and draw its transition state.…
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Q: Select the member of each pair that shows the greater rate of SN2 reaction with KI in acetone.
A: SN2 reaction is as type of reaction mechanism in which attacking of nucleophile and…
Q: And Allyl / Phenyl compound are most reactive towards SN2 because of resonance stabilization. then…
A: SN^2 reaction is a single step process. SN^1 reaction is a two step process. SN^1 reaction involves…
Q: Draw a stepwise mechanism for the attached reaction.
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Q: Sterically hindered bases produce what is the major product? Zaitsev product Hoffman…
A: In E2 elimination, when more substituted alkene is formed, it is known as Zaitsev product whereas…
Q: Explai all steps to Determine the Directing Effects of a Particular Substituent ?
A: The characteristic reaction shown by benzene and other associated compounds is electrophilic…
Q: Intramolecular reactions are also observed in Friedel–Crafts alkylation. Draw the intramolecular…
A: Friedal-Craft alkylation: It is a kind of aromatic electrophilic aromatic substitution that occurs…
Q: Catalytic hydrogenations occur with __________ addition. Markovnikov syn Zaitsev…
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Q: 3. Rank the following in order by the rate in which they could participate in an SN1 reaction ("1"…
A: An SN1 reaction is proceed by the formation of a carbocation (an ion that contains a positive charge…
Q: Why cyclobutadiene is antiaromatic ?
A: According to Huckel rule rings whose pi electrons can delocalize round the ring as well as…
Q: A small, unhindered base:; bulky, hindered base: Hoffman product; Zaitsev product Zaitsev…
A: We have to predict the type of elimination we can expect based on type of base used.
Q: What sequence of reagents would produce the folloing? (A) (B) (C) (D) 1. 2. Zn, HCI ??? AlCl3 CI,…
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Q: 4. Are there any RX compounds from part A that are not expected to undergo an SN1 or Sn2 reaction?…
A: Note: primary alkyl halides prefers sn2 reaction. secondary alkyl halides prefers sn1 or sn2 depends…
Q: 4. Circle the better leaving group shown below. [2 points] or
A: An atom or group of atoms, which displaced as stable species taking with it the bonding electrons…
Q: Why are particular orientation effects observed? Why are some groups ortho,para directors and some…
A: Orientation effects are observed in the case of the aromatic system. The substituents on the ring…
Q: 6. Draw a detailed arrow pushing mechanism for the following transformations: srl NaOCH3 SN2 Br +…
A: SN2 reaction proceeds with the backside attack of the nucleophile on the alkyl halide which results…
Q: Devise a synthesis of attached compound from the indicated starting material.
A: In this reaction, we have to convert one isomeric form to another isomeric form. For this, we have…
Q: Use the curved arrow formalism to draw the complete mechanism for the Claisen condensation reaction…
A: The solution is as follows :
Q: Give the mechanism given bleow reactions with curved arrow and all format harges ? 1-ct y
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Q: Step 3: Complete the resonance structure of the enolate form. Omit curved arrows. Select Draw Rings…
A: When a molecule is represented by two or more hybrid structures and that structure are different in…
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- what type of mechanisims is needed for this?1. Draw the structure of (4S)-1-bromo-4-methylhexane a. Draw the substitution product that would form upon reaction with NaOCH3 in DMSO solvent. (Include stereochemistry) b. Would this reaction be SN1 or Sn2? C. Draw a detailed step-wise mechanism for this substitution reaction. Be sure to include all steps, formal charges, and show the movement of electrons with curved arrows. Draw in any lone pairs of electrons that are directly involved in the reaction. or distributed d. Draw the elimination product that would form upon reaction of (4S)-1-bromo-4- methylhexane with KOC(CH3)3 in HOC(CH3)3 solvent. (Include tereochemistry) e. Would this reaction be E1 or E2? f. y not be shar Draw a detailed step-wise mechanism for this elimination reaction. Be sure to include all steps, formal charges, and show the movement of electrons with curved arrows. Draw in any lone pairs of electrons that are directly involved in the reaction.1) Li/ pentane A CH,CH,- B CH,1 2) Cul Write condensed formulas for the structure of the Gilman's reagent Aand its coupling product B from the above reaction in the two boxes shown below: Enter your answers in the box like this: A- condensed formula. B condensed formula. Do not use a dash (-) to indicate a covalent bond between two elements, Ex: type CC not C-C
- 2. For the reaction scheme below: (i) Suggest a reagent X that could be used to accomplish the first step. (ii) Draw the curly arrow mechanism for the second step in the scheme. Na o HO,a) Free radical bromination is more selective than free radical chlorination. Draw a reaction coordinate diagram for the specific step in the radical chain mechanism that illustrates the source of this selectivity, and explain your reasoning. b) Explain why the bond dissociate energy (BDE) of tert-butane is 95 kcal/mol while the BDE for propane is 99 kcal/mol.Draw a structural formula for the more stable carbocation intermediate formed in the reaction shown. o • You do not have to consider stereochemistry. . Do not include anionic counter-ions, e.g., I, in your answer. • For cases in which carbocations of the same or similar stability are expected, draw all of the structures. =CH₂ + HBr • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottor right corner. Separate structures with + signs from the drop-down menu. ● **ll + O T $ » [ ]#
- Draw structural formulas for an aldehyde or ketone and alkyl (or aryl) bromide that could be used in a Grignard synthesis of the alcohol shown. ● OH You do not have to consider stereochemistry. . . If there is more than one combination, draw only one. ● CH3 Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate structures with + signs from the drop-down menu.NH H3C. H. H,NNH2 NH H3C „NH2 ČH3 H3C One of the reactions used in determining the sequence of nucleotides in a strand of DNA is reaction with hydrazine. Draw curved arrows to show the movement of electrons in this step of the reaction mechanism. Arrow-pushing Instructions :0: H3C H3C. NH NH H2N NH2 'N" H2N-N H2 N. ČH3Draw structural formulas for an aldehyde or ketone and alkyl (or aryl) bromide that could be used in a Grignard synthesis of the alcohol shown. O OH • You do not have to consider stereochemistry. . If there is more than one combination, draw only one. + ▾ CH3 • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate structures with + signs from the drop-down menu. 8-8 = ChemDoodleⓇ Q Sn [F ta
- Write TRUE if the statement is correct and FALSE if the statement is wrong. Please answer them all Substitution reactions do not occur in aromatic rings because of pi-electron delocalization. The resulting iodinated aspirin has a higher Rf compared to aspirin after visualizing with ferric chloride. The mobile phase used in determining the Rf of the iodinated aspirin is 5% ethyl acetate in acetic acid. When isopropyl alcohol reacts with HCI, the resulting product is 2-chloropropane. In Fehling's test, the theoretical product after an aldehyde is mixed with Fehling's Solution is alcohol. lodoform, which has a molecular formula of CH3l, is indicative that a ketomethyl group is present. Based on the physical property, hydroquinone has a lower boiling point compared to catechol. Picric acid, being a phenolic compound, tests positive for the FeCl3 test. Nucleophilic molecules are electron-rich molecules that can "attack" electron-deficient molecules. When FeCl3 is used in visualizing…6. Both acid-catalyzed hydration and oxymercuration-demercuration are addition reactions that add a hydroxyl group (--OH) and a hydrogen atom across a t-bond to make a Markovnikov product. Because of this, both reactions can often end with the same major organic product. 3 Explain in 1-3 complete sentences why substrate A leads to the same product no matter the conditions and why substrate B leads to two different products based on reaction conditions. 4 10 A ER A % H₂SO4 H₂O 1. Hg(OAc)2 2. NaBH4 當 5 OH Q Search T (racemic) OH (racemic) 6 & B B H₂SO4 H₂O 1. Hg(OAc)₂ 2. NaBH4 OH (racemic) lyi O1D.) In the ¹H-NMR spectra of carboxylic acids, the carbocylic acid proton bonded the oxygen atom typically fall into which of the chemical shift ranges below? a.) 2.0 -2.5 ppm b.) 8.0 -9.0 ppm 1E.) Complete this statement: Ketones and their corresponding enols are a.) tautomers b.) diastereomers 1F.) Anhydrides can be converted to acid chlorides by: a.) treatment with thionyl chloride (SOCI₂) c.) 7.0 -8.0 ppm d.) 10.0-13.0 ppm of each other. c.) resonance structures d.) enantiomers b.) conversion of the anhydride to the ester then reducing with LIAIH4 c.) hydrolysis of the anhydride in aqeous acid then treatment with thionyl chloride (SOCI₂) d.) conversion of the anhydride to the amide then reducing with LiAlH4