Homework Answers
19) Ans(a) Alcohols react with P/X2 (X= Br, I) to produce alkyl halides via SN2 mechanism.
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2. t-butoxide/t-butanol E) 1. TsCl/pyridine 2. LiAIH4 19) What compound results when 1-butanol is treated with...
titps/w,unisa.ac.za/studymaterial/imaterial/2eb82 2- mytnis myUnisa: ORC221F-18 When (R)-2-butanol is treated with TsCl, the product formed is? (1)...
titps/w,unisa.ac.za/studymaterial/imaterial/2eb82 2- mytnis myUnisa: ORC221F-18 When (R)-2-butanol is treated with TsCl, the product formed is? (1) achiral (2) (3) (4) a racemic mixture a single enantiomer an alkene
TsCl, pyridine 1TSCI, pyridine, 2) LiAlH Draw the major product formed when 2-pentanol is treated with...
TsCl, pyridine 1TSCI, pyridine, 2) LiAlH Draw the major product formed when 2-pentanol is treated with each reagent(s) 1) H2SO4, A 2) O, 3) Zn, H2O 4. PCC a е b Jones Reagent (Chromic acid + acetone) НСІ 1) H.SO4, A Devise a synthesis of each compound from acetylene (HC= CH) and organic compounds containing two carbons or less. You may use any other required reagents CH, CHCH&CH 5. a CH CHCH-CH,ОН b CH CHCH,CHО cis CH CH2CH-CHCH CO>H d...
Multiple Choice Section (0.5 pt each) 4. What is the most acidic hydrogen in the following compound? 1. (Review) Wh...
Multiple Choice Section (0.5 pt each) 4. What is the most acidic hydrogen in the following compound? 1. (Review) What functional group would the following reaction produce? В CH,CH,OH (b) В (a) A Нс. н pyridine (c) C (d) D H D H-- (a) amide (b) ester A H (c) anhydride (d) ketone 5. (Review) Which of the following represents a pair of keto-enol tautomers? 2. What would be the product of the reaction sequence shown below? SOCI2 1. DIBAL...
19. What class of organic product results when 1-heptyne is treated with a mixture of mercuric...
19. What class of organic product results when 1-heptyne is treated with a mixture of mercuric acetate in aqueous sulfuric acid? A. aldehyde B. ketone C. diol D. ether E. carboxylic acid 20. Provide the major organic product of the reaction below. 1. Sia BH-THF (CHCHCH,CH.CHCH 2. HO HO
7. When compound 1 is treated with concentrated HBr, it yields the corresponding compound 2. Propose...
7. When compound 1 is treated with concentrated HBr, it yields the corresponding compound 2. Propose a mechanism that will account for the stereochemistry of the reaction. Br CH3 Br CH3 H Hl.... C + HBr C6-H HI CHE OH CH3
Hc VCH Draw the organic product formed when CH3CH2CH2OH is treated with each reagent. a H2S04 (180°C) d SOC12, pyri...
Hc VCH Draw the organic product formed when CH3CH2CH2OH is treated with each reagent. a H2S04 (180°C) d SOC12, pyridine Ig 1) NaH; 2) CH3CH2Br b NaH e PBr3 h 1) TSCI, pyridine; 2) NaSH c HBr f TsCl, pyridine 3. Draw the organic product formed when l-methylcyclohexanol is treaded with each reagent. In some cases, no reaction occurs. a KH c HBr Te NaHCO3 b Nacid HCI f 1) KH; 2) CH3CH2Br Draw two different routes to each of...
1- isopropanol (also known as 2-propanol) is formed primarily from the hydration reaction of an alkene....
1- isopropanol (also known as 2-propanol) is formed primarily
from the hydration reaction of an alkene. The alkene is [ ]
2- When the O in an alcohol is replaced with a sulfur atom, the
resulting compound is called a(n) [ ]
3- The dehydration of two primary alcohols results in a(n) [
]
A alkene
B aldehyde
C carboxylic acid
D ester
E ether
4- Fill in the blank. CHCHCHC≡CCHCHCl
is named _______.
A 7-chloro-4-heptyne
B 5-chloro-2-heptene
C 1-acetylenenyl-3-chloropropane...
6. Which series of reactions would best facilitate the following conversion? 1. KMa04 (ag) 2. HgrOAc)2...
6. Which series of reactions would best facilitate the following conversion? 1. KMa04 (ag) 2. HgrOAc)2 (ag) 3. NaBIL4OH b) 1. NaBH4 2. H3PO4' 4. H20H3o+ d) 1. NaBH4 e) I. Raney nickel 2. HBr (g) 3. Mg/etber 2. HyC-MgBr 3. H20/H30 7. What compound is prodaced when (R)-pentan-2-ol is treated with TsCI (aka TosCI) followed by Nal? a) sodium (R)-pent-3-oxide b) sodium (S)-pent-2-oxide c) (R)-2-iodopentane d) (S)-2-iodopentane e) none of the above 8. Which of the following reagents is...
19 NAME For the reactions shown below, . In the dashed circles of compound 1 write a Me and an H that would yield 2...
19 NAME For the reactions shown below, . In the dashed circles of compound 1 write a Me and an H that would yield 2 h. Over under the boxed arrow, add a suitable reagent for the elimination reaction Finish the Newman Projection to show the conformation needed for the elimination react d. In the dashed circles of compound 4, write a Me and an H for the product that would form. e. Check the box to indicate that this...
7) What reagents are needed to do the following transformation? Page 3 A) 1) BH, THF,...
7) What reagents are needed to do the following transformation? Page 3 A) 1) BH, THF, H,02, OH- 2) KMnO, OH 3) H30 B) 1) HBr 2) K,Cr, C) 1) LIATH. 2) H30* 3) PBr; 4) KCN D.1) PCC 2 H O 3) CHỊCOCI 4) NH” 8) Which compound is a soap? A) CH3(CH2)2COOH B) CH3(CH2)4COOH C) CH(CH2)14COOH D) CH3(CH2)14COOK 9) Name the carboxylic acid and the alcohol that react to produce this compound. (CH3)3CCH2COOCH(CH2CH3)2 A) 3,3-dimethylbutanoic acid and 3-pentanol...
titps/w,unisa.ac.za/studymaterial/imaterial/2eb82 2- mytnis myUnisa: ORC221F-18 When (R)-2-butanol is treated with TsCl, the product formed is? (1) achiral (2) (3) (4) a racemic mixture a single enantiomer an alkene
TsCl, pyridine 1TSCI, pyridine, 2) LiAlH Draw the major product formed when 2-pentanol is treated with each reagent(s) 1) H2SO4, A 2) O, 3) Zn, H2O 4. PCC a е b Jones Reagent (Chromic acid + acetone) НСІ 1) H.SO4, A Devise a synthesis of each compound from acetylene (HC= CH) and organic compounds containing two carbons or less. You may use any other required reagents CH, CHCH&CH 5. a CH CHCH-CH,ОН b CH CHCH,CHО cis CH CH2CH-CHCH CO>H d...
Multiple Choice Section (0.5 pt each) 4. What is the most acidic hydrogen in the following compound? 1. (Review) What functional group would the following reaction produce? В CH,CH,OH (b) В (a) A Нс. н pyridine (c) C (d) D H D H-- (a) amide (b) ester A H (c) anhydride (d) ketone 5. (Review) Which of the following represents a pair of keto-enol tautomers? 2. What would be the product of the reaction sequence shown below? SOCI2 1. DIBAL...
19. What class of organic product results when 1-heptyne is treated with a mixture of mercuric acetate in aqueous sulfuric acid? A. aldehyde B. ketone C. diol D. ether E. carboxylic acid 20. Provide the major organic product of the reaction below. 1. Sia BH-THF (CHCHCH,CH.CHCH 2. HO HO
7. When compound 1 is treated with concentrated HBr, it yields the corresponding compound 2. Propose a mechanism that will account for the stereochemistry of the reaction. Br CH3 Br CH3 H Hl.... C + HBr C6-H HI CHE OH CH3
Hc VCH Draw the organic product formed when CH3CH2CH2OH is treated with each reagent. a H2S04 (180°C) d SOC12, pyridine Ig 1) NaH; 2) CH3CH2Br b NaH e PBr3 h 1) TSCI, pyridine; 2) NaSH c HBr f TsCl, pyridine 3. Draw the organic product formed when l-methylcyclohexanol is treaded with each reagent. In some cases, no reaction occurs. a KH c HBr Te NaHCO3 b Nacid HCI f 1) KH; 2) CH3CH2Br Draw two different routes to each of...
1- isopropanol (also known as 2-propanol) is formed primarily
from the hydration reaction of an alkene. The alkene is [ ]
2- When the O in an alcohol is replaced with a sulfur atom, the
resulting compound is called a(n) [ ]
3- The dehydration of two primary alcohols results in a(n) [
]
A alkene
B aldehyde
C carboxylic acid
D ester
E ether
4- Fill in the blank. CHCHCHC≡CCHCHCl
is named _______.
A 7-chloro-4-heptyne
B 5-chloro-2-heptene
C 1-acetylenenyl-3-chloropropane...
6. Which series of reactions would best facilitate the following conversion? 1. KMa04 (ag) 2. HgrOAc)2 (ag) 3. NaBIL4OH b) 1. NaBH4 2. H3PO4' 4. H20H3o+ d) 1. NaBH4 e) I. Raney nickel 2. HBr (g) 3. Mg/etber 2. HyC-MgBr 3. H20/H30 7. What compound is prodaced when (R)-pentan-2-ol is treated with TsCI (aka TosCI) followed by Nal? a) sodium (R)-pent-3-oxide b) sodium (S)-pent-2-oxide c) (R)-2-iodopentane d) (S)-2-iodopentane e) none of the above 8. Which of the following reagents is...
19 NAME For the reactions shown below, . In the dashed circles of compound 1 write a Me and an H that would yield 2 h. Over under the boxed arrow, add a suitable reagent for the elimination reaction Finish the Newman Projection to show the conformation needed for the elimination react d. In the dashed circles of compound 4, write a Me and an H for the product that would form. e. Check the box to indicate that this...
7) What reagents are needed to do the following transformation? Page 3 A) 1) BH, THF, H,02, OH- 2) KMnO, OH 3) H30 B) 1) HBr 2) K,Cr, C) 1) LIATH. 2) H30* 3) PBr; 4) KCN D.1) PCC 2 H O 3) CHỊCOCI 4) NH” 8) Which compound is a soap? A) CH3(CH2)2COOH B) CH3(CH2)4COOH C) CH(CH2)14COOH D) CH3(CH2)14COOK 9) Name the carboxylic acid and the alcohol that react to produce this compound. (CH3)3CCH2COOCH(CH2CH3)2 A) 3,3-dimethylbutanoic acid and 3-pentanol...
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