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Ochem 2 ch 19-20
Che Chemistry 2320 Ch 19 and 20-Carboxylic Acids and Derivatives (100 pts)...
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) & Provide the products for each of the following reaction sequences. P 2010 Na,Cro H SO, heat 1.) SOCI 2.) NHS pBrs NaCN H2SO (aq) OH heat HCMgBr H SO (aq) heat imine- not isolated H.SO (aq) PCC NaCN OH heat CH,Cl2 (solvent) NBS, hv 1.) Mg 2.) CO2 3.) H3O+ CH,OH Na Oro Huso, heat H2O(cat) -H2O H: C-P(ph)s PDC 1.) LAH...
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) TO heat ноо HCl(aq) heat heat 1.) NaOH(aq) 2.) H₂O 1.) H3CMgBr (xs) 2.) H30 1.) SOCI, 2) NH3 Page 5 of 6
Ochem 2 ch 19-20 Chemistry 2320 Ch 19 and 20-Carboxylic Acids and Derivatives (100 pts) Select...
Ochem 2 ch 19-20
Chemistry 2320 Ch 19 and 20-Carboxylic Acids and Derivatives (100 pts) Select the products and the reagents for the following sequence by writing the numbers of the products formed in the box and the letter of the reagents used over the arrows. The order of steps is important. Not all products or reagents will be used. 4. A. CH OH, H2SO, (cat) Number: OH Letter B. Na Cr O H2SO C. Br CO-CH C D. O...
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 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 22 720 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 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...
Spiderweb. Please complete the following spiderweb involving the chemistry of carboxylic acids and their derivatives. Assume...
Spiderweb. Please complete the following spiderweb involving the chemistry of carboxylic acids and their derivatives. Assume an excess of all reagents if you need more than one equivalent of something it is there for you! Pay particular attention to the use of heat as a reagent. 3 C4 GB 2. H₂O 1 CH MgB 2. H.O 1. LAIHE 2. HO 1. CH, MgBr 2.H26 1. LIAH 2. H,0 HO H2SO4 1. CO2 2. H30" NH (2 e) CH NH2 room...
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...
Draw the major product for each reaction. он. CH3 heat N(CH3)3 a. LiAIH4, Et20 b. H30*/H20...
Draw the major product for each reaction. он. CH3 heat N(CH3)3 a. LiAIH4, Et20 b. H30*/H20 1. NaCN, DMSO Br 2. a. LiAIH4. THF b. H3O+/H2O 1. NaN3, DMSO Br 2. a. LiAIH4, THF b. H3O /H20 1. HNO3, H2SO4 2. SnCl2 3. Br2 4. a. HNO2, H2SO4 H3C b. H2PO2 NH2 1. NaNO2, HCI, H20 но 2. HBF4
Ochem 2 ch 19-20
Chemistry 2320 Ch 19 and 20 - Carboxylic Acids and Derivatives (100 pts) & Provide the products for each of the following reaction sequences. P 2010 Na,Cro H SO, heat 1.) SOCI 2.) NHS pBrs NaCN H2SO (aq) OH heat HCMgBr H SO (aq) heat imine- not isolated H.SO (aq) PCC NaCN OH heat CH,Cl2 (solvent) NBS, hv 1.) Mg 2.) CO2 3.) H3O+ CH,OH Na Oro Huso, heat H2O(cat) -H2O H: C-P(ph)s PDC 1.) LAH...
Ochem 2 ch 19-20
Chemistry 2320 Ch 19 and 20 - Carboxylic Acids and Derivatives (100 pts) TO heat ноо HCl(aq) heat heat 1.) NaOH(aq) 2.) H₂O 1.) H3CMgBr (xs) 2.) H30 1.) SOCI, 2) NH3 Page 5 of 6
Ochem 2 ch 19-20
Chemistry 2320 Ch 19 and 20-Carboxylic Acids and Derivatives (100 pts) Select the products and the reagents for the following sequence by writing the numbers of the products formed in the box and the letter of the reagents used over the arrows. The order of steps is important. Not all products or reagents will be used. 4. A. CH OH, H2SO, (cat) Number: OH Letter B. Na Cr O H2SO C. Br CO-CH C D. O...
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 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
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
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...
Spiderweb. Please complete the following spiderweb involving the chemistry of carboxylic acids and their derivatives. Assume an excess of all reagents if you need more than one equivalent of something it is there for you! Pay particular attention to the use of heat as a reagent. 3 C4 GB 2. H₂O 1 CH MgB 2. H.O 1. LAIHE 2. HO 1. CH, MgBr 2.H26 1. LIAH 2. H,0 HO H2SO4 1. CO2 2. H30" NH (2 e) CH NH2 room...
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...
Draw the major product for each reaction. он. CH3 heat N(CH3)3 a. LiAIH4, Et20 b. H30*/H20 1. NaCN, DMSO Br 2. a. LiAIH4. THF b. H3O+/H2O 1. NaN3, DMSO Br 2. a. LiAIH4, THF b. H3O /H20 1. HNO3, H2SO4 2. SnCl2 3. Br2 4. a. HNO2, H2SO4 H3C b. H2PO2 NH2 1. NaNO2, HCI, H20 но 2. HBF4
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