11) Give the major product and the mechanism of the following reaction.Newman914ProjectivH3CHNaOCH3PhPhBrCH3OH12) Predict the most likely mechanism and the product for the reaction belo-00시H3CH3CClNaOCH3CH3OH13) Predict the most likely mechanism and the product from the reaction b2-chloro-2-methylpentane and sodium ethoxide in ethanol.14) The major product which results when 2-chloro-2-methylpentane is hether. Show and name the mechanism by which this ether forms.nchanisms feature carbocation intermediate

All these reactions follow the E2 mechanism.11)MECHANISM: 12)MECHANISM: 13)MECHANISM:

Answered: 11) Give the major product and the…

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter19: Aldehydes And Ketones: Nucleophilic Addition Reactions

Section19.SE: Something Extra

Problem 36MP: It is not uncommon for organic chemists to prepare acetals by an exchange-type process known as...

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a) Provide a mechanism that accounts for the product formed in the following reaction. OH CH H" ► 1-ethoxy-1-methyleyclohexane + CH,CH,OH b) Show the structure of the product(s) formed in the following reaction and write the mechanism for the reaction. OH CH + (CH;);COH
for each reaction give the expected substitution product and predict wether the mechanism will be first order (SN1) or second order (SN2) a) 2-chloro-2-methylbutane + CH3COOH b) isobutyl bromide + NaOMe c) 1-iodo-methylcyclohexane + CH3CH2OH
Br Brz CH3 CH3 H3C CH2CI2 H3C Br Electrophilic addition of bromine, Br2; to alkenes yields a 1,2-dibromoalkane. The reaction proceeds through a cyclic intermediate known as a bromonium ion. The reaction occurs in an anhydrous solvent such as CH,Cl). In the second step of the reaction, bromide is the nucleophile and attacks at one of the carbons of the bromonium ion to yield the product. Due to steric clashes, the bromide ion always attacks the carbon from the opposite face of the bromonium ion so that a product with anti stereochemistry is formed. Draw curved arrows to show the movement of electrons in this step of the mechanism. Arrow-pushing Instructions Br: :Br: .CH3 H3C H3C CH3 Br:
Predict the products for the following reactions by showing complete reaction mechanisms. Also, identify the nucleophilic attack, loss of leaving group, proton transfer, rearrangement in the mechanism steps. Show curved arrows in the reaction mechanisms 1- 2- COCH3 NaBH4/H₂O COCH 3 1. LIAIH4 2. H₂O
Draw a structural formula for the major organic product of each reaction and specify the most likely mechanism by which each is formed. (g) CH3CH2ONa++CH2=CHCH2Clethanol
It is not uncommon for organic chemists to prepare acetals by an exchange-type process known as transacetalization. Predict the product(s) and show the mechanism for the transacetalization reactions below.
Following are diastereomers (A) and (B) of 3-bromo-3,4-dimethylhexane. On treatment with sodium ethoxide in ethanol, each gives 3,4-dimethyl-3-hexene as the major product. One diastereomer gives the E alkene, and the other gives the Z alkene. Which diastereomer gives which alkene? Account for the stereoselectivity of each -elimination.
vi) please
5- 4- 1. CH3CH₂MgBr Br 2. H₂O Mg/ether 1. iH 2. H₂O
The following series of reactions will yield 2) CI-CH2-CH2-C6H5 1) CH3CH2SH + N2OH O 2-chloro-4-ethyl-benzenesulfonic acid O CH;CH2-S-CH2CH2C6H5 O ortho-chloro-ethyl-benzene O 1-phenyl-3-chloro-propane O CH3CH2-O-CH2CH2C6H5
2) Predict the product(s) for the following reactions. O C6H5CCH3 + CH₂=CHCC6H5 O + (CH3)₂C=CHCH LDA, THE NaOH, H₂O
Addition of hydrochloride acid to 1-isopropenyl-1-methylcyclopentane generates 1-chloro-1,2,2 trimethylcyclohexane. Draw the complete mechanism, including intermediates, to illustrate electron flow in the reaction.

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