Show a step by step mechanism that shows how 17-19 is formed into 21 (the product 17 1) KSCN, H,O 1 2) HCI (g), DCM, 10 °C-t 18 CH₂ HSO,CI SOCL, It 19 CH₂ SO₂CI MẠNH, CI 0 °C-n 21 CH₂

Q: What is the product of the following reaction sequences? 1-Éxcess CH,MgBr 2- Crog, H,SO, OH a- он C-…

A: CH3MgBr has CH3- ions in it. Hence it will attack on the ester and reduce the ester carbon. And…

Q: c) Hg(OAc)2 H₂SO4, H₂O I I

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Q: с o Br Br Br Br o o Br

A: As per Bartley guidelines, and expert is allowed to answer first three subparts of a question.…

Q: Which alcohol reacts fastest with the Lucas reagent? O phenol O 2-propanol O t-butanol O methanol…

A: Lucas reagent: It is a solution of anhydrous ZnCl in concentrated HCl. Lucas reagent is used to…

Q: Choose the reagent(s) that would be most likely to complete this reaction. 00 Br o A B с D E Į Į NBS…

A: In the above reaction , an alkene in converted into bromo alkane i.e. addition of HBr to a double is…

Q: 9. Propose a mechanism for the following reaction H₂CO H60, OH

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Q: Epoxides react with Grignard reagents to yield alcohols. Propose a mechanism. 1. CH,MgBr 2. Hy0 HO…

A: Ch3MgBr is grignard reagent

Q: Which of the following reagents are necessary to effect the Hell-Volhard-Zelinsky reaction depicted…

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Q: Br A OC(CH3)3 Br B CH3OH A) A= El; B=E2 B) A= E1; B=E1 C) A= E2; B=E1 D) A = E2; B=E2

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Q: A set of three nucleophilic displacement reactions is shown below: CH3 SOH CH3CH2CCH3 SN1 reaction…

A: The replacement of any atom or group of atoms by a nucleophile is termed as nucleophilic…

Q: CN CN NH₂ + CaCl₂ Hexanol, 160 °C NH

A: CaCl2 acts as a Lewis acid. It activates cyano group that facilitates attack by the amino group of…

Q: Predict the major product by drawing the reaction mechanism.

A: The products of the goíven reactions to be determined with proper mechanism

Q: 15-2 Using the Grignard reaction, carry out the following transformations. Any reagents (oganic or…

A: A. Phenyl magnesium bromide addition to cyclohexanone. B. Cyclohexyl bromide reaction with mg…

Q: OH 0.05 ek NaOH CH3 CH3 .CH3 11 12 13 O:

A: This reaction is Aldol condensation reaction Which follow two step one is Aldol reaction second is…

Q: 10. Treatment of 1,2-dibromoethane with the dithiolate dianion shown in the reaction below leads to…

A: Sulphur ion is a good Nucleophile and thus attacks the carbon attached with Bromine atom as below.

Q: What is the predominant mechanism of the reaction below? Br NaOCH3 CH3OH SN2 El E2

A:

Q: Identify the nucleophile and electrophile in the following elimination reaction of alkyl bromide I…

A: Electrophile is a substance which is electron deficient .  Nucleophile is a substance which is…

Q: None

A: The first depicts 2-bromo-2-methylpropane reacting with tert-butyl alcohol, which is unlikely to…

Q: 1.)Fill in the blanks. Even though they are in the same family, the calcium atom is much larger…

A: They are in the same family, the calcium atom is much larger than beryllium atom because it has more…

Q: What is the major product of the following reaction? CH3 NaOCH, CH3-CH2-C-Br ČH3 CH3 CH3-CH=C-CH,…

A: For nucleophilic substitution reaction,  Nucleophile has to attack from the opposite side of the…

Q: Select the reagent that you would use to convert an alkene to an epoxide. mCPBA 03, then DMS…

A: The epoxide is a cyclic ether with a ring structure consisting of three atoms that somehow form an…

Q: What is the best method to synthesize the following product from the given starting material? Br Br…

A:

Q: Reactions Mechanism Major Product Mechanism Minor Product (SN1, SN1, E1, E2) (SN1, SN1, E1, E2)…

A: E2 and SN2 are the conjugate reaction and there is always a race between E2 and SN2 . In presence of…

Q: Complete the following reaction: CH3 H₂C-P: + CH3 no reaction will occur O CH3 12 H₂C-P CH₂ I CH3 Br…

A: trimethyl phosphine is allowed to react with an alkyl halide in a mechanism analogous to that of an…

Q: What starting materials or reagents are best used to carry out the following reaction?

A:

Q: HBr 80 °C Br Br Br Br IV

A: When conjugated alken react with HBr, there are two possibility if the given temperature is very low…

Q: In each reaction box, place the best reagent and conditions from the list below. 1) CH3 H3C он но 2)…

A: On treating the prop-1-yne with NaNH2 and then CH3CH2Br, formed compound is shown below.

Q: f) of 1- 2- H* Br 3- H*, H₂O 1-03, CH₂Cl2, -78 °C 2- CH3SCH3 C8H1402

A: Given,The reaction:

Q: Complete the following reactions by identifying the major product(s) or the missing reaction…

A: The given problems are based on the functional group inter conversions by using different reagents.

Q: H3PO4 Identify the nucleophile: H2PO41- H2O H30* H3PO4 A E

A:

Q: Choose the best reagents to complete the reaction shown below. H2(g) A Pt H2(g) В Lindlar's catalyst…

A:

Q: Multistep reaction mechanisms Group Activity Treating (S)-2-butanol with HBr results in the…

A: First the given  Step 1: CH3CH(OH)CH2CH3 + HBr CH3CH(OH2)CH2CH3 + Br Step 2: CH3CH(OH2)CH2CH3 + Br…

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A: That species which donates proton (H+ ion) are bronsted acid whereas the species which accepts the…

Q: What is the organic product formed in the following reaction? O i cotts A C6H5-CH=CH-C B i-cat…

A: The reaction is a nucleophilic addition reaction in which nucleophile is added to the beta-carbon of…

Q: Propose a reasonable mechanism for the following reactions: H+, H₂O OH HBr OH isto T

A: Two questions based on introduction to organic chemistry that is to accomplished.

Q: -H CI-CI hv CI

A: The mechanism of the reaction takes place via radical formation and involves three steps:Step 1:…

Q: Complete the starburst scheme below by predicting the product of each reaction. CH2N2 HBr 03,…

A:

Q: Pick out the process which does not involve carbocation formation: OH OH Br₂ CC14 HBr ether H₂SO4…

A:

Q: Given the following reaction sequence: What are the reagents for reaction 5? A) NANH2 followed by…

A: Terminal alkynes having hydrogen which is directly attached to the sp carbon is acidic in nature…

Q: Choose the reagent(s) that would be most likely to complete this reaction. 1. Hg(OAc)2, H₂O 2.…

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Q: Choose the best reagents to complete the reaction shown below. H₂(g) Pt Q G A B C D E | H₂(g) Pt…

A: cis-isomer involves both streric repulsion between two bulky ethyl groups as well as dipolar…

Q: CO2Et 120 °C ? 1c. CO2Et .CO,Et CO,Et CO2Et cO,Et CO2Et a d 1d. Identify the reagent(s) that will…

A: Since you have posted multiple subparts so I am solving first three subparts for you.If you want to…

Q: Write the structure of the product from the first step (Product-1) and then the product from the…

A:

Q: Which one of the following sets of reagents (X, Y, Z) will effect the following transformations? CH3…

A: There are many mechanisms in organic chemistry such as nucleophilic substitution, nucleophilic…

Q: 10. Propose a mechanism for the benzoin condensation, which is specifically catalyzed by cya- nide:…

A: Multiple questions