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Ochem 2 ch 22
Chemistry 2320 Ch 22 Amines (100 ne 2. Draw an arrow from...
Ochem 2 ch 22 istry 2320 Chemistry 2320 Ch 22 Amines (100 pts) Complete the acid-base...
Ochem 2 ch 22
istry 2320 Chemistry 2320 Ch 22 Amines (100 pts) Complete the acid-base equilibrium reactions below by filling in the boxes Show the flow of electrons with curly arrows and indicate on which side the equilibrium lies by drawing an arrow in the box provided a. Example: H₂C-NH₂ + HEDEN H₂O-NH, ican pka 9.1 pka - 10,6 pka = 10 pka = 4.6 pka = 10.3 pka = 52 HH OXO "NH pka = 10.3 pka =...
Ochem 2 ch 22 720 Ch 22 Amines (100 pts) y 2320 aior product for each...
Ochem 2 ch 22
720 Ch 22 Amines (100 pts) y 2320 aior product for each of the following reactions or reaction sequences. Show chemistry where appropriate. Assume aqueous workup. stereochemist NaCN DMSO Nang DMSO H.NCHE HO H+ (cat.) HAN ~ CHO benzene -H,O H₂N P-TOH benzene -HO HN(CH3)2 p-TSOH benzene -H₂O NH но ROH Page 5 of 8
Ochem 2 ch 22 Chemistry 2320 Ch 22 Amines (100 pts) h) HN CH2CI2 i) 1)...
Ochem 2 ch 22
Chemistry 2320 Ch 22 Amines (100 pts) h) HN CH2CI2 i) 1) KOH/DMF H2NNH2 N-H E1OH 2) CI NaN3 LAH THF k) NaCN LAH THF DMSO I) HONO2 H2/Ni CH3OH H2SO m) 1) SOCI2 /pyr LAH THF NH2 2) n) H2/ Ni NH2 CHO+ CH-он o) H* (cat) NABH3CN NH2 -H2O CHОH Page 6 of 8
Ochem 2 ch 22 Ch 22 Amines (100 pts) Chemistry 2320 7. Provide an efficient multi-step...
Ochem 2 ch 22
Ch 22 Amines (100 pts) Chemistry 2320 7. Provide an efficient multi-step synthesis of 2 starting with 1. In your forward synthesis, indicate the reagents used for each step by writing them over the arrow leading to each of the specified products. At some point in your synthesis you must utilize arrows. chemical(s) specified over the OH 2 8. Provide an efficient multi-step synthesis of 2 starting with 1. In your forward synthesis, indicate the reagents...
Ochem 2 ch 22 Ch 22 Amines (100 pts) Chemistry 2320 p) H&NO3/H2SO 1) Fe, HCI...
Ochem 2 ch 22
Ch 22 Amines (100 pts) Chemistry 2320 p) H&NO3/H2SO 1) Fe, HCI 2) NaOH H2N 1) H2NOg/H,SOA CUCN 2) NaNO2 H2SO4 г) 1) NaNO2 H2SO4 1) H2NO3/H2SO4 2) Fe, HCI 2) HBF4 6. Provide the most efficient synthesis possible by matching the reagents to the reaction. Write the letter(s) over or adjacent to the corresponding reaction arrow. As many as three steps represented by each letter may be needed. Assume intermediate products are isolated and purified...
Ochem 2 ch 19-20 Chemistry 2320 Ch 19 and 20 - Carboxylic Acids and Derivatives (100...
Ochem 2 ch 19-20
Chemistry 2320 Ch 19 and 20 - Carboxylic Acids and Derivatives (100 pts) Name: 1. Match the given pka values to the carboxylic acids by writing the pka in the appropriate box: a. Given pKa Values: 4.7, 2.9, 2.6, 1.3, 0.23 0 Carboxylic Acid OH OH OH FC OH OH OH pka Value: b. Given pka Values: 4.7, 4.2, 3.5, 2.2, 1.4 NO, O Carboxylic Acid NO, O OH ON pKa Value: 2. Complete the following...
Ochem 2 ch 19-20 Che Chemistry 2320 Ch 19 and 20-Carboxylic Acids and Derivatives (100 pts)...
Ochem 2 ch 19-20
Che Chemistry 2320 Ch 19 and 20-Carboxylic Acids and Derivatives (100 pts) Draw the major product for each of the following reactions. 7. a) 1.) Mg /Et O Br 2.) CO2 3.) Hg0 b) CN Но H2SO4 heat c) NaCN DMSO d) 1.) NaCN, DMSO 2.) H3O e) 1.) CH3OH, H2SO4 (cat) -cO-H 2.) LIAIH THF 3.) H20 OH Но- coH g) 1.) NaCN, DMSO 2.) H30 3.) HCI(aq), heat Page 4 of 6
Questions and Problems 553 ation for the reaction that would produse cach of the following amines...
Questions and Problems 553 ation for the reaction that would produse cach of the following amines b. N.Methylpropanamine c. N.N-Diethylpentanamine 15.37 Briefly explain why the lower molar massamines (lewer than five carbons) exhibit appreciable solubility in water 15.38 Why is the salt of an amine appreciably more soluble in water than the mine from which it was formed 15.39 Most drugs containing amine groups are not administered as the mine but rather the amount you suggeste son why? 15.40 Why...
____ 1. The diagram below represents serine, a polar, uncharged amino acid. Which functional group gives...
____ 1. The diagram below represents serine, a polar, uncharged
amino acid. Which functional group gives serine its
distinct property?
a. H3
b. CH2OH
c. –H
d. COO–
____ 2. The monomers shown below are monomers for which of the
following natural polymers?
a. polysaccharides
b. plastics
c. DNA
d. proteins
____ 3. Which of the following processes illustrates the production
of a protein?
a. specific code for amino acids --> amino acid chain -->
gene --> DNA --> specific...
The following questions are from an experiment titled Friedel-Crafts Alkylation for Organic Chemistry II Lab. There...
The following questions are from an experiment titled
Friedel-Crafts Alkylation for Organic Chemistry II Lab. There are
pictures attached of the lab manual.
2) Is this method a good route for the preparation of
p-sec-butyltoulene? Give reasons for your answer.
3) Why do you use a large excess of toulene. What are its
functions?
4) What is the purpose for adding the hydrochloric acid to the
water in the separatory funnel in step 5? Hint: If no acid is
added,...
Ochem 2 ch 22
istry 2320 Chemistry 2320 Ch 22 Amines (100 pts) Complete the acid-base equilibrium reactions below by filling in the boxes Show the flow of electrons with curly arrows and indicate on which side the equilibrium lies by drawing an arrow in the box provided a. Example: H₂C-NH₂ + HEDEN H₂O-NH, ican pka 9.1 pka - 10,6 pka = 10 pka = 4.6 pka = 10.3 pka = 52 HH OXO "NH pka = 10.3 pka =...
Ochem 2 ch 22
720 Ch 22 Amines (100 pts) y 2320 aior product for each of the following reactions or reaction sequences. Show chemistry where appropriate. Assume aqueous workup. stereochemist NaCN DMSO Nang DMSO H.NCHE HO H+ (cat.) HAN ~ CHO benzene -H,O H₂N P-TOH benzene -HO HN(CH3)2 p-TSOH benzene -H₂O NH но ROH Page 5 of 8
Ochem 2 ch 22
Chemistry 2320 Ch 22 Amines (100 pts) h) HN CH2CI2 i) 1) KOH/DMF H2NNH2 N-H E1OH 2) CI NaN3 LAH THF k) NaCN LAH THF DMSO I) HONO2 H2/Ni CH3OH H2SO m) 1) SOCI2 /pyr LAH THF NH2 2) n) H2/ Ni NH2 CHO+ CH-он o) H* (cat) NABH3CN NH2 -H2O CHОH Page 6 of 8
Ochem 2 ch 22
Ch 22 Amines (100 pts) Chemistry 2320 7. Provide an efficient multi-step synthesis of 2 starting with 1. In your forward synthesis, indicate the reagents used for each step by writing them over the arrow leading to each of the specified products. At some point in your synthesis you must utilize arrows. chemical(s) specified over the OH 2 8. Provide an efficient multi-step synthesis of 2 starting with 1. In your forward synthesis, indicate the reagents...
Ochem 2 ch 22
Ch 22 Amines (100 pts) Chemistry 2320 p) H&NO3/H2SO 1) Fe, HCI 2) NaOH H2N 1) H2NOg/H,SOA CUCN 2) NaNO2 H2SO4 г) 1) NaNO2 H2SO4 1) H2NO3/H2SO4 2) Fe, HCI 2) HBF4 6. Provide the most efficient synthesis possible by matching the reagents to the reaction. Write the letter(s) over or adjacent to the corresponding reaction arrow. As many as three steps represented by each letter may be needed. Assume intermediate products are isolated and purified...
Ochem 2 ch 19-20
Chemistry 2320 Ch 19 and 20 - Carboxylic Acids and Derivatives (100 pts) Name: 1. Match the given pka values to the carboxylic acids by writing the pka in the appropriate box: a. Given pKa Values: 4.7, 2.9, 2.6, 1.3, 0.23 0 Carboxylic Acid OH OH OH FC OH OH OH pka Value: b. Given pka Values: 4.7, 4.2, 3.5, 2.2, 1.4 NO, O Carboxylic Acid NO, O OH ON pKa Value: 2. Complete the following...
Ochem 2 ch 19-20
Che Chemistry 2320 Ch 19 and 20-Carboxylic Acids and Derivatives (100 pts) Draw the major product for each of the following reactions. 7. a) 1.) Mg /Et O Br 2.) CO2 3.) Hg0 b) CN Но H2SO4 heat c) NaCN DMSO d) 1.) NaCN, DMSO 2.) H3O e) 1.) CH3OH, H2SO4 (cat) -cO-H 2.) LIAIH THF 3.) H20 OH Но- coH g) 1.) NaCN, DMSO 2.) H30 3.) HCI(aq), heat Page 4 of 6
Questions and Problems 553 ation for the reaction that would produse cach of the following amines b. N.Methylpropanamine c. N.N-Diethylpentanamine 15.37 Briefly explain why the lower molar massamines (lewer than five carbons) exhibit appreciable solubility in water 15.38 Why is the salt of an amine appreciably more soluble in water than the mine from which it was formed 15.39 Most drugs containing amine groups are not administered as the mine but rather the amount you suggeste son why? 15.40 Why...
____ 1. The diagram below represents serine, a polar, uncharged
amino acid. Which functional group gives serine its
distinct property?
a. H3
b. CH2OH
c. –H
d. COO–
____ 2. The monomers shown below are monomers for which of the
following natural polymers?
a. polysaccharides
b. plastics
c. DNA
d. proteins
____ 3. Which of the following processes illustrates the production
of a protein?
a. specific code for amino acids --> amino acid chain -->
gene --> DNA --> specific...
The following questions are from an experiment titled
Friedel-Crafts Alkylation for Organic Chemistry II Lab. There are
pictures attached of the lab manual.
2) Is this method a good route for the preparation of
p-sec-butyltoulene? Give reasons for your answer.
3) Why do you use a large excess of toulene. What are its
functions?
4) What is the purpose for adding the hydrochloric acid to the
water in the separatory funnel in step 5? Hint: If no acid is
added,...
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