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Chemistry 2320 Ch 18 Aldehydes and Ketones (100 pts) 3. Provide the most efficient synthesis possible...
Provide the most efficient synthesis possible by matching the reagents to the reaction. Write the letter(s)...
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 or used in situ as
appropriate.
B. HN(CH3)2, H C. NaCrO1, H>SO,Ph D. CH3MgBr, Et2O E. HCN F. LiAlH, THF G. H2CP(Ph) H H2SO, heat I. OsO4 J. Mg, Et,20 K. H2NOH, H OH Ph Ph CN...
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...
6. Provide the most efficient synthesis possible by matching the reagents to the reaction. Write the...
6. Provide the most efficient synthesis possible by matching the reagents to the reaction. Write the letter(s) over or adiacent to the corresponding reaction arrow. As many as three steps represented by each letter may be needed. Assume intermediate products are isolated and purified or used in situ as appropriate. A. H2/Ni B. KI $ C. CuCN NH D. HBF4 E. HO F. Cuci G. LAH/THF Q-- H. HONO2/ H2SO4 I. H3PO2 J. CH3COCI/ AICI: K. NaNO2/H2SO4
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 22 Provide an efficient multi-step synthesis of 2 starting with 1. In your forward synthesis, indicate th...
Ochem 2 ch 22
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 the chemical(s) specified over the 8. arrows. NaCN CHO NO2 F- F Page 8 of 8
please solve all 8. Provide an efficient multi-step synthesis of 2 starting with 1. In your...
please solve all
8. 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 cach of the specified products. At some point in your synthesis you must utilize the chemical(s) specified over the arrows. opo maeneo l 5. Draw the major product for each of the following reactions or reaction sequences. Show stereochemistry where appropriate. Assume aqueous workup. 1) Fe, HCI...
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
Show the most efficient synthesis of the product from the starting material. Show all reagents your...
Show the most efficient synthesis of the product from the starting material. Show all reagents your need over each arrow, and draw all products and intermediates (do not combine steps). You do not need to show the mechanism for any steps. Show all molecules synthesized along the way, and pay attention to stereochemistry. If a racemic mixture is produced in any step, show both products formed. If you make a mixture of regioisomers in any of the steps, place a...
The acetoacetic ester synthesis is a carbonyl alkylation reaction. It is used to prepare methyl ketones...
The acetoacetic ester synthesis is a carbonyl alkylation reaction. It is used to prepare methyl ketones from primary alkyl halides, lengthening the carbon chain by three atoms. Thus, the product can be visualized as being a "substituted acetone." The reaction consists of three steps: generation of the enolate anion followed by S2 reaction with a primary alkyl halide, ester hydrolysis under acid conditions, and decarboxylation. 1. NaOEt 2. H2O* 3. heat Br + - H₃C + CO2 + ETOH Hc...
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 or used in situ as
appropriate.
B. HN(CH3)2, H C. NaCrO1, H>SO,Ph D. CH3MgBr, Et2O E. HCN F. LiAlH, THF G. H2CP(Ph) H H2SO, heat I. OsO4 J. Mg, Et,20 K. H2NOH, H OH Ph Ph CN...
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...
6. Provide the most efficient synthesis possible by matching the reagents to the reaction. Write the letter(s) over or adiacent to the corresponding reaction arrow. As many as three steps represented by each letter may be needed. Assume intermediate products are isolated and purified or used in situ as appropriate. A. H2/Ni B. KI $ C. CuCN NH D. HBF4 E. HO F. Cuci G. LAH/THF Q-- H. HONO2/ H2SO4 I. H3PO2 J. CH3COCI/ AICI: K. NaNO2/H2SO4
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 22
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 the chemical(s) specified over the 8. arrows. NaCN CHO NO2 F- F Page 8 of 8
please solve all
8. 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 cach of the specified products. At some point in your synthesis you must utilize the chemical(s) specified over the arrows. opo maeneo l 5. Draw the major product for each of the following reactions or reaction sequences. Show stereochemistry where appropriate. Assume aqueous workup. 1) Fe, HCI...
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
Show the most efficient synthesis of the product from the starting material. Show all reagents your need over each arrow, and draw all products and intermediates (do not combine steps). You do not need to show the mechanism for any steps. Show all molecules synthesized along the way, and pay attention to stereochemistry. If a racemic mixture is produced in any step, show both products formed. If you make a mixture of regioisomers in any of the steps, place a...
The acetoacetic ester synthesis is a carbonyl alkylation reaction. It is used to prepare methyl ketones from primary alkyl halides, lengthening the carbon chain by three atoms. Thus, the product can be visualized as being a "substituted acetone." The reaction consists of three steps: generation of the enolate anion followed by S2 reaction with a primary alkyl halide, ester hydrolysis under acid conditions, and decarboxylation. 1. NaOEt 2. H2O* 3. heat Br + - H₃C + CO2 + ETOH Hc...
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