Polyketo precursor 5 can cyclise to afford: он О OH O HO, но HO Me SCOA но Me Ме 6 7

Q: 8. Using curved-arrows, propose a mechanism for the following transformation: a) Yver-Br HG Ver-or…

A:

Q: onis 3. What product(s) would you expect to obtain from the following reac 1. HNO3, H2SQ4 2. Fe, H30…

A: Hello, I am answering the first three sub-parts of a question, you want to solve the remaining…

Q: d. 1. BuLi, THF, -78 C; 2. dil. HCI e. KH Ph PF6 f. Zn H3C. CH3 Br Br

A: Regioselectivity - The position at which the reagent prefers to affect and the reaction happens.…

Q: LHe products of thế föllowing reactions. Show the proper regiochemistry and/or tereochemistry where…

A: We will give products of all reaction

Q: (b) NaNH2 H₂O+ HgSO4 H3O+ NaBH 4 Si₂BH, H₂O₂ Show the mechanism for reaction (b): NaNH2 Br KMnO1…

A: Note : Terminal alkynes are treated with NaNH2 gives anion. This anion attacks on alkyl halides…

Q: 1) CH3MgBr 2) H,O

A: Attack of CH3MgBr on epoxide ring . CH3MgBr is a grignard reagent in which CH3- attacks in epoxide…

Q: 7. Treatment of the alkyl bromide below with methanol at 80 °C led to the formation of products 1…

A: The answer is as follows:

Q: Н2, Ni 80°С X2, FeX3 conc. H2SO4 then H20

A:

Q: Но a) HO Br ? H20 404150 b) CH3CH2Br CN с) CH3CH,CI H20 ?

A: In reaction a, first the OH- will take proton from the OH group of reactant as it is acidic H.

Q: 1. 2 eq. LDA, THF, -78 C; 2. PhCH,Cl; 3. dil. HCI х. HOl" NH2 Cl2, KOCH3, НОМе

A: Solution- the major product of the following reactions with the appropriate stereochemistry and…

Q: The product of the following reaction was isolated in 99% yield. What is it?

A: The reaction scheme is generally framed by considering the factors like atom availability and…

Q: 1. m-CPBA is not the only peroxyacid capable of epoxide formation. For each reaction below, predict…

A: When alkenes react with peroxyacid it is undergo epoxidation. m-CPBA is popular peroxyacid. But…

Q: 13. Predict the products; indicate proper stereochemistry where necessary: OsO (cetalytic) NMO * 1)…

A:

Q: What is the intermediate necessary for the reaction below to yield product? Br2, H20 O A monozonide…

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Q: 28(b) Give name(s) of major organic product(s) of the following reaction. SO3 H2SO,

A: Sulfonation is a reversible reaction which forms benzenesulfonic acid by adding sulfur trioxide…

Q: 8. Provide the mechanism for the reaction of problem #7. Draw the skeletal structures of all the…

A: Given, The skeletal structures of the intermediates and final products are:

Q: What is the major product of the reaction shown in the box? 1. BH3, THF ? 2. НаО2, NaOH, H20 IR…

A: This is Hydroboration oxidation reaction. The major product formation along with mechanism is shown…

Q: Please complete the following synthesis of 1,2-dimethylcyclopent-1-ene. ? Br Br ? A E B C Br2, hv…

A: The following synthesis of 1,2-dimethylcyclopent-1-ene

Q: 5) Provide product and mechanism of the following reaction 1) Ni(acac)2 ZrCp,CI 2) CH,0

A: Given: Reaction To find: Product and Mechanism of the Reaction Solution: In the following Reaction…

Q: predict the major product of the reaction sequence below

A:

Q: 4. The same alkene substrate is subjected to two different reaction conditions shown below. Draw in…

A: 4. We have to draw the products with appropriate stereochemistry. The required products are shown…

Q: Provide the missing major product, and the mechanism (Sn1, SN2, E1, E2) for each case below. Show…

A: When the leaving group is strong and carbocation to be formed is stable then 1st order pathway is…

Q: . Terminal alkynes react with Br2 and water to yield bromo ketones. For example: `CH;Br Propose a…

A:

Q: 13. Predict the products; indicate proper stereochemistry where necessary: OsO (catalytic) NMO 1)…

A: Note - Since you have asked multiple question, we will solve the first question for you. If you want…

Q: The following reaction involves cleavage of the sp³C-C=O bond followed by allylic rearrangement.…

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Q: 4. Give the products of the following reactions. CH₂ (i) KMnO₂. OH, A a.) (ii) H₂O* b.) CH3COOH +…

A: Given reactions are : Give the products of the following reactions = ?

Q: 4. Give the products of the following reactions. C CH3 (i) KMnO, OH, A (ii) H₂O* CH3COOH + PC13…

A: Here we are required to predict the product of the reaction

Q: m-CPBA is not the only peroxyacid capable of epoxide formation. For each reaction below, predict the…

A: In question it is given to write the product and mechanism of the given two epoxidation reactions.

Q: Which of the following reaction scheme is expected to afford the following product? HO ОН O The…

A:

Q: 2. Write the conditions/products and mechanisms of the following reactions. ? EtO OEI (a) EtO OEI

A: The reaction go via substitution reaction mechanism. Reactant consists of two acidic proton.

Q: 10 mol % Pd(OAc)2 BUNCI, K₂CO DMF, 100 °C OMe Pd(OAc)2 PhyP (20%) BC Reaction 2 BnO₂C7 OBn MeOOC…

A:

Q: Provide the missing major product, reactant, or reagent and the mechanism (e.g. SN1 or SN for each…

A: We need to provide the product, reactant and reagent for the following reactions along with suitable…

Q: 5) Provide the products necessary to complete the synthesis below. Indicate what mechanism was used…

A: When 2-methyl pentan-3-ol is treated with the PBr3 then firstly SN2 reaction proceeds and the…

Q: Draw the structures for the intermediates and product C, D, and E (only) in the following synthesis.…

A: Step 1 : LAH reduction of propinoyl chloride gives n-propanol. Step 2 : n-propanol is subjected to…

Q: 5. Propose a practical "racemic" synthetic route for the following molecule. Me HO, OH H.

A:

Q: 2. Indicate whether the following reactions are S,1, SN2, E1, E2, or E1CB NaNg -N3 a. b. NaCI Meo…

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Q: Draw the product(s) of the following hydroboration-oxidation reactions. Disregard stereochemistry.…

A: Hydroboration reaction involves addition of BH3 over alkene which makes BH2 to bond with less…

Q: 12:53 ul 4G O 2. Show a reaction scheme with all the reactants and reagents of the nitration…

A: Dear student this question is related to nitration of bromo benzene.

Q: Li/ C2H5NH2/-78°C ? 2-Pentin

A: The organic reactions are carried out with the help of various reagents. Each reaction is carried…

Q: 5) Provide the products necessary to complete the synthesis below. Indicate what mechanism was used…

A: The above organic transformation is given below

Q: (d) 1) LİAIH, H2N- 2) H,0*

A: LiAlH4 reduces amides into amines .

Q: NaBH4, EtOH + ОН H H ОН exo is MAJOR product. endo is MINOR product.

A:

Q: 40 Which one of the following reaciHODs may proceeds by an electrophilic substitution mechanism? JAI…

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Q: Draw the main product (s) (and the stereochemistry, if present). Indicate the mechanism of the…

A: We have been asked to draw the major product along with mechanism and mentioning stereochemistry.

Q: 4. Complete the multistep syntheses below. OEt

A: In this question, we will synthesized the final products by using all the reagents, and this is a…

Q: dict the product of the following reactions. 1. NaOr-Bu t-BUOH 2. КОН, НССI, Draw the molecule on…

A: To find: product formed by the following reaction:

Q: Propose a reasonable synthetic route for the following reaction: II CH,CH,-C-CI Zn(Hg) (1)? (2)?…

A:

Q: Rearrangment (р 1283) CH, H,C. ZnBr, H,C CH, Br HBr CH 93% yield он (Manning P. Cooke, Jr.) I need…

A: The mechanism of reaction is provided below in attach image.

Q: 1. Provide a major product(s) [ignore stereochemistry] for each reaction: Cl2, MeOH H₂N Acid,…

A:

Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.