Homework Answers
ANSWER
Tosylates is very good leaving Group,
- Alkyl tosylates is a good leaving group, they undergo both nucleophilic substitution and Beta-Elimination,
- Generally, alkyl tosylates are treated with strong nucleophile and strong nucleophile base So, the mechanism of substitution is SN2 and elimination is E2.
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It's about reactions about alcohols
Practice Ts C A Poridine NoOEt B HOET
ssignments > CH 7 Structure, Properties, and Reactions of Alcohols tructure, Properties, and Reactions of Alcohols...
ssignments > CH 7 Structure, Properties, and Reactions of Alcohols tructure, Properties, and Reactions of Alcohols Which of the following will be oxidized to an aldehyde? Select the correct answer below: 1 CH3 - CH2 - CH2 - CH2 CH 2Hs - -OH CHE CH, OH revious Q Search Hide My Searches ssignments > CH 7 Structure, Properties, and Reactions of Alcohols tructure, Properties, and Reactions of Alcohols C2H5-C-OH CH Сн, он CH₂ FEEDBACK MORE INSTRUC Content attribution evious C...
13. Which of these statements about elongation factors is true? (A) EF-Ts binds GTFP (C) EF-Ts...
13. Which of these statements about elongation factors is true? (A) EF-Ts binds GTFP (C) EF-Ts is a GTPase (D) EF-G doesn't bind to GTP (B) EF-G is a GTPase 14. Which of these is NOT a proofreading mechanism for translation elongation? (A) tRNA accomodation (B) Ribosome 16S rRNA (C) EF-G GTP hydrolysis (D) EF-Tu GTP hydrolysis
Question 7 Identify correct statements about the reactions of alcohols. Hydroxide is a good leaving group....
Question 7 Identify correct statements about the reactions of alcohols. Hydroxide is a good leaving group. The reaction of an alcohol with tosyl chloride and pyridine converts the alcohol into a better leaving group. Conversion of an alcohol to a chloride with thionyl chloride (SOC) follows an Sy1 mechanism The dehydration of an alcohol with phosphorus oxychloride (POCI3) follows an E2 mechanism. Question 8 Identify the correct product for the reaction shown below. ОН 1. PBr3 in 2. CN
Chapter 11. Reactions of Alcohols, Amines, Ethers, and Epoxides 14) What is the major product for...
Chapter 11. Reactions of Alcohols, Amines, Ethers, and Epoxides 14) What is the major product for the following reaction? HO H2SO4 heat Answer: Section: 15) Rank the following alcohols in decreasing order of relative ease of dehydration: OH OH CH-OH A) A > B>C>D B)D>C> A>B C) C> A >D>B D) B>D>C>A E) A > C>D>B Answer: Section:
Extra Credit (5 points) In our section on alcohols, we learned about reactions of alcohols with...
Extra Credit (5 points) In our section on alcohols, we learned about reactions of alcohols with toluenesulfonyl chloride to make tosylates. Sulfonyl chlorides also react with amines and nitrogen heterocycles to make sulfonamides. See starting material 1 below for an example of a sulfonamide. While tosylates are good leaving groups, sulfonamides are not. In fact, sulfonamides often serve as protecting groups for amines and nitrogen heterocycles. However, deprotection of sulfonamides is often challenging. The following deprotection of an indole derivative...
Primary alcohols can be dehydrated to form ethers. Complete the following reactions. Show all the following...
Primary alcohols can be dehydrated to form ethers. Complete
the following reactions. Show all the following possible products
where applicable.
5) Primary alcohols can be dehydrated to form ethers. Complete the following reactions. Show all the possible products where applicable +H2SO4, 180 C OH + OH OH H2SO4, 180 C OH+
Alcohols, Aldehydes, and Ketones Report Sheet c. Oxidation of Alcohols C.3 C.2 Condensed Structural Formula Classifi...
Alcohols, Aldehydes, and Ketones Report Sheet c. Oxidation of Alcohols C.3 C.2 Condensed Structural Formula Classification C.1 Color Change with Cro - yes Alcohol C.4 Oxidation Product (if reaction takes place) Ethanol Aldehyde yes Primary 2-Propanol yes Secondary Ketone 2-Methyl- 2-propanol tertiary Cyclohexanol Questions and Problems Q.2 Write the product of the following reactions (if no reaction, write NR): CH2CH2CH2OH CH3CH2CH=0
4. Alcohols undergo two major types of elimination reactions. Classify the following reactions as DEHYDRATION (removal...
4. Alcohols undergo two major types of elimination reactions. Classify the following reactions as DEHYDRATION (removal of W U RCACIAD 20s Sax oa or DEHYDROGENATION (removal of hydrogen). ater) а. НС, CH2 concentrated., acid CH2 Cн Hас CH2 A-CH2 CH CH2 Н,с сн CH3 CH3 OH (Oil-D b. Н,С CH CH2 O CH2 CH2 CH H3C CHh CHh CH CH CH2 Н.С CH3 CH3 ОН CH CH2 CH2 CH2 CH2 C. CH, CH, "oн Но
4. Alcohols undergo two major...
complete the oxidation reactions when the following alcohols react with oxidation agents such as dichromate or...
complete the oxidation reactions when the following alcohols react with oxidation agents such as dichromate or permanganate and in the presence of a strong acid? a 1-pentanol b.2-methyl-1-butanol
Below are two reactions, and one will occur faster than the other. Ts NaCN DMSO CH3...
Below are two reactions, and one will occur faster than the other. Ts NaCN DMSO CH3 Reaction A Ts NaCN H20 CH Reaction B Draw the major organic product for the reaction that will occur the fastest. Do not draw byproducts. C N S F H,N P "сн, Br
ssignments > CH 7 Structure, Properties, and Reactions of Alcohols tructure, Properties, and Reactions of Alcohols Which of the following will be oxidized to an aldehyde? Select the correct answer below: 1 CH3 - CH2 - CH2 - CH2 CH 2Hs - -OH CHE CH, OH revious Q Search Hide My Searches ssignments > CH 7 Structure, Properties, and Reactions of Alcohols tructure, Properties, and Reactions of Alcohols C2H5-C-OH CH Сн, он CH₂ FEEDBACK MORE INSTRUC Content attribution evious C...
13. Which of these statements about elongation factors is true? (A) EF-Ts binds GTFP (C) EF-Ts is a GTPase (D) EF-G doesn't bind to GTP (B) EF-G is a GTPase 14. Which of these is NOT a proofreading mechanism for translation elongation? (A) tRNA accomodation (B) Ribosome 16S rRNA (C) EF-G GTP hydrolysis (D) EF-Tu GTP hydrolysis
Question 7 Identify correct statements about the reactions of alcohols. Hydroxide is a good leaving group. The reaction of an alcohol with tosyl chloride and pyridine converts the alcohol into a better leaving group. Conversion of an alcohol to a chloride with thionyl chloride (SOC) follows an Sy1 mechanism The dehydration of an alcohol with phosphorus oxychloride (POCI3) follows an E2 mechanism. Question 8 Identify the correct product for the reaction shown below. ОН 1. PBr3 in 2. CN
Chapter 11. Reactions of Alcohols, Amines, Ethers, and Epoxides 14) What is the major product for the following reaction? HO H2SO4 heat Answer: Section: 15) Rank the following alcohols in decreasing order of relative ease of dehydration: OH OH CH-OH A) A > B>C>D B)D>C> A>B C) C> A >D>B D) B>D>C>A E) A > C>D>B Answer: Section:
Extra Credit (5 points) In our section on alcohols, we learned about reactions of alcohols with toluenesulfonyl chloride to make tosylates. Sulfonyl chlorides also react with amines and nitrogen heterocycles to make sulfonamides. See starting material 1 below for an example of a sulfonamide. While tosylates are good leaving groups, sulfonamides are not. In fact, sulfonamides often serve as protecting groups for amines and nitrogen heterocycles. However, deprotection of sulfonamides is often challenging. The following deprotection of an indole derivative...
Primary alcohols can be dehydrated to form ethers. Complete
the following reactions. Show all the following possible products
where applicable.
5) Primary alcohols can be dehydrated to form ethers. Complete the following reactions. Show all the possible products where applicable +H2SO4, 180 C OH + OH OH H2SO4, 180 C OH+
Alcohols, Aldehydes, and Ketones Report Sheet c. Oxidation of Alcohols C.3 C.2 Condensed Structural Formula Classification C.1 Color Change with Cro - yes Alcohol C.4 Oxidation Product (if reaction takes place) Ethanol Aldehyde yes Primary 2-Propanol yes Secondary Ketone 2-Methyl- 2-propanol tertiary Cyclohexanol Questions and Problems Q.2 Write the product of the following reactions (if no reaction, write NR): CH2CH2CH2OH CH3CH2CH=0
4. Alcohols undergo two major types of elimination reactions. Classify the following reactions as DEHYDRATION (removal of W U RCACIAD 20s Sax oa or DEHYDROGENATION (removal of hydrogen). ater) а. НС, CH2 concentrated., acid CH2 Cн Hас CH2 A-CH2 CH CH2 Н,с сн CH3 CH3 OH (Oil-D b. Н,С CH CH2 O CH2 CH2 CH H3C CHh CHh CH CH CH2 Н.С CH3 CH3 ОН CH CH2 CH2 CH2 CH2 C. CH, CH, "oн Но
4. Alcohols undergo two major...
complete the oxidation reactions when the following alcohols react with oxidation agents such as dichromate or permanganate and in the presence of a strong acid? a 1-pentanol b.2-methyl-1-butanol
Below are two reactions, and one will occur faster than the other. Ts NaCN DMSO CH3 Reaction A Ts NaCN H20 CH Reaction B Draw the major organic product for the reaction that will occur the fastest. Do not draw byproducts. C N S F H,N P "сн, Br
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