Propose a reasonable mechanism for the following reactions. HO a. 1) excess CH,MgBr OH 2) H,O b. OH 1) BrMgCH,CH,CH;CH,MgBr 2) H,0

Q: 20. (a) Show all steps in the synthesis of 2-pentene from 2-bromopentane. Show the structure of all…

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Q: Provide a reasonable mechanism for the following transformation. 1. NaNH2 2. CH3I 3. H9SO4,…

A: In organic reaction, a nucleophile attacks an electrophile.

Q: Ph. OTs OTs NaOH NANH, ? ? NaOH ? A В C Ph. CI NaOH dilute NaOH ? D

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Q: 1. Consider the following reaction: Br2 Br hv a) Draw a detailed mechanism for the initiation phase…

A: Initiation:- The reaction is initiated by the homolysis of Bromine molecule in presence of Light or…

Q: Every transformation can be completed in one 'synthetic ste added sequentially, ex. "1. BH3, THF; 2.…

A: Given : We have to write the reagent for the following.

Q: Complete the mechanism and draw the final product for the Grignard reaction below. added acid in…

A: The complete reaction mechanism Grignard reaction in step 2.

Q: Propose a plausible mechanism for the following reaction: (H,SOJ

A: Interpretation -  To tell about the possible reaction mechanism for the following given reaction…

Q: H2SO4 но H20

A: Hydrolysis of ester into acid and alcohol.

Q: Consider the reaction scheme shown below. HCI [1] HO. (a) Provide a detailed mechanism for reaction…

A: This reaction will occur via 3 step. In first step protonation then Water molecule eliminate to…

Q: 5. Provide the mechanism for the Wittig reaction below. H3C H3C- FPPH3 CH3

A: The  Wittig reaction is the chemical reaction of aldehyde or ketone with a triphenyl phosphonium…

Q: a. Propose a plausible mechanism for the following Heck reaction TBSO Pd(PPH3)4 K2CO3 H. OTBS 2.

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Q: step-wise mechanism (showing the movement of all electrons) for the following reaction :a HBr HO2 +…

A: In presence of peroxide, the negative ion goes to the less substituted C of the alkene.

Q: 6. A synthesis of a molecule being explored as an antidepressant drug (J. Org. Chem 2012) utilized…

A: AlCl3---> It is a lewis acid. it accepts the electron. CH2=CH2 (Ethene): It acts as a nucleophile…

Q: Propose a plausible mechanism for the following transformation: 1) Excess MeMgBr 2) Hо HO OH

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Q: А 1) mCPBA 2) H30* В Br2, MeOH Но. HNO3 "Ме H2SO4

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Q: Propose a plausible mechanism for the following transformation. NaH CI HO 13.38e This substitution…

A: Organic reaction mechanisms

Q: Show a reasonable mechanism for how the following reaction comes about OH NaONO H30* H2N

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Q: Question 2 (a) Propose a plausible mechanism for the reaction below. Br2 H20

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Q: Give the minor elimination product(s) of the following compound. ? (CH3)3COK heat Br CH,

A: Base pushes alkyl group to get eliminated and the formation of alkene is favored. In the present…

Q: D. Provide reasonable mechanisms for the following reaction H NaOH, H₂O, A

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

Q: Which benzylic halide reacts faster in an SN1 reaction? Explain.

A: From among the two benzylic halide given we can tell that the halide A reacts much faster than…

Q: Propose a plausible mechanism for the following transformation. 1. OsO4 2. H3O*

A: Osmium tetra oxide is used to form vicinial diol on alkenes. After that pinacol-pinacolone type…

Q: Provide a plausible arrow pushing mechanism for the reaction below. OH LOME TSOH, H20 OMe

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Q: HO Provide a mechanism for the transformation below. HO H,O/ CH;OH :0:

A: A reaction mechanism is the order of basic steps by which a chemical reaction occurs. A reaction…

Q: Write a detailed mechanism for this transformation. OH HCI НО НО H2O -OH

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Q: 10. Draw a reasonable mechanism for the following reaction (cat. = catalytic %3D amount).

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Q: Which step in the following reaction will cause the proposed synthesis to fail? A B .CI NBS -Br…

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Q: H2NNH2, KOH Hао, heat

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Q: Show the reaction mechanism for the formation of: a. RCONH2 from the reaction of RCOOR’ with NH3

A: given find mechanism of RCONH2 from the reaction of RCOOR’ with NH3

Q: Propose a plausible mechanism for the following transformation: 1) Excess MeMgBr 2) Hо HO HO.

A: ⇒ Ring options during configuration    or delocalisation of -ve charge.       Explanation &…

Q: c) Propose a mechanism for this reaction. BF3 Но HO.

A: BF3 , boron triflouride is lewis acid. So lone pair of oxygen of -OH group attack on it and…

Q: Provide a mechanism for the reaction below: H H. HCI

A: Chloromethylation is reaction of aromatic rings with formaldehyde and hydrogen chloride. The…

Q: 3. Draw the mechanism for each reaction below; HO H, H CH,CH CH,CH,NH, HyC H. H (pH = 5) H. 1. Ph,P…

A: Note: As per company policy we are supposed to attempt first three subparts only. Please repost…

Q: 1. Hg(OAc)2 / H2O 1. ВНз 2. NaOH, H2O2 2. NaBH4 5. Give the mechanism of step one in reaction (b)…

A: a. It is called Oxymercuration-Demercuration reaction. It is used to prepare more substituted…

Q: ö: Br: H,0 heat ОН DH

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Q: Below is the equation for a nucleophilic substitution reaction and some experimental data. CH3CH2Br…

A: Given :-  CH3CH2Br + CH3COO-⇌CH3CH2CO2CH3 + Br-  Rate = k [CH3CH2Br][CH3COO-]  To determine :-  Type…

Q: Provide a plausible arrow pushing mechanism for the reaction below. OH OMe TSOH, H20 OMe

A: The answer is mechanism

Q: Give the mechanism (arrow-pushing) for the reaction below. NAOME/MEOH \Br b. Name the product of the…

A: The mechanism is provided below:

Q: Provide a reasonable mechanism for the following reaction. TMSO SnCl, OMe Meo OMe

A: Note : Ketal deprotection follows Sn1 mechanism. The generated carbocation is attacked by double…

Q: Rank the nucleophiles in each group in order of increasing nucleophilicity. a.−OH, −NH2, H2O b.−OH,…

A: a. Negatively charged nucleophiles are stronger nucleophiles than neutral ones. Hence water is the…

Q: HO OH H+ to

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Q: OTS NaOH ? A Ph. J dilute NaOH D OTS ? B NaNH, ? E NaOH ? NaOH

A: The elimination reaction will depend on the stability of the ion formed during the reaction. Higher…

Q: NGOH/H,O 4

A: Since you have asked multiple question, we will solve the first question for you as per our…

Q: In both examples below the reactants shown are combined to bring about a nucleophilic substitution…

A: The expected reaction in the given cases is explained below.

Q: X H₂O - g E2 Elimination h = SM1 Nucleophilic subst

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Q: Br H,0

A: Br^- is a good leaving group. But, H2O is not at all a base. Rather it is a weak but a nucleophile.…

Q: What is the final product of the multi-step synthesis sequence of reactions shown? NaNH, NH, LINH;…

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

Q: opph3 'A' CH3 Br a) BULI

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Q: Propose a plausible mechanism for the followng reaction INa, NH3 (liq) 2 NH CI

A: Reduction is the reaction of addition of 2H atom across carbon-carbon double bond or triple bond…