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3. Circle the most acidic Hydrogen or Hydregens in the molecules below (6 points). 4. How...
1. Predict the products of the following reactions (18 points, 3 each) Catalytic KOH methanol/water solvent...
1. Predict the products of the following reactions (18 points, 3 each) Catalytic KOH methanol/water solvent Catalytic KOH methanol/water solvent Catalytic KOH methanol water solvent Catalye KOH. 1 equivalent NaOCH.CH ethanol solvent I equivalent NaOCH.CH ethanol solvent 2. Write the product of the following reaction and the full mechanism by which it is formed. Clearly show which steps are reversible and which one step is irreversible. (8 points). 1 equivalent NaOCH CH3 cthanol solvent + excess 3. Circle the most...
5. How might you use acetoacetic ester to perform the following synthesis. (10 points). 3 om s nsonbyH o nap9byi 6...
5. How might you use acetoacetic ester to perform the following synthesis. (10 points). 3 om s nsonbyH o nap9byi 6. Use any reagents you wish to perform the following transformation. Hint: the first step is a chem 242L experiment.(10 points) ot stohosa y uoy dr woH 7. How would you perform the following syntheses using eneamines and any chloro compound you want to use. (8 points). olen eta se s au uoy ialin wolt.
Circle only the most acidic hydrogen in each of the following molecules 7) (20) Using your...
Circle only the most acidic hydrogen in each of the following
molecules
7) (20) Using your newly accumulated knowledge, complete the following acid- base reactions with the understanding that the anion in each case acts as the base to accept the most acidic hydrogen from the other species (you will have to determine what hydrogen is the most acidic). Be sure to clearly indicate the direction of the equilibrium by drawing the appropriate arrows. Try to do this without consulting...
2 Circle the most acidic hydrogen(s) in the molecule. (8 pts) H 1 HH H a....
2 Circle the most acidic hydrogen(s) in the molecule. (8 pts) H 1 HH H a. H HHH HHHH 3. Determine the pK, for each type of hydrogen in the molecule. Write the number above the line for each type of hydrogen. (10 pts) ноно HHHH 4. Draw an arrow pointing to the most basic atom in each molecule. (8 pts) b. OCH 5. Show the synthesis of the target molecule. You may use benzene, potassium cyanide, and chloromethane as...
Question 19 2.5 pts Order the following compounds from most acidic to least acidic. دهد تا...
Question 19 2.5 pts Order the following compounds from most acidic to least acidic. دهد تا با 2 >1 >4 > 3 @ 1 > 4>2 > 3 1 >2>4> 2 > 3 * Previous Next → Question 20 2.5 pts What is required to complete the synthesis? H30+ Reactant 1. NaOE 2. bromoethane 1. NaOE 2. 1-brom malonic ester acetoacetic ester 2 ethyl methyl ketone pentane-2,4-dione Question 22 2.5 pts Which compound below has the most acidic proton(s)? H2CO...
Diethyl malonate can be prepared by the following reaction sequence. Draw the structures of each of...
Diethyl malonate can be prepared by the following reaction sequence. Draw the structures of each of the missing intermediates in the boxes provided. 4. |сH,сH он. 1. Bry PBr3 OH 2. H2O не На NaCN HSO NC CH CH-OH осH сH, CH2 HQ, heat CH2 HCl OEt Et0 How would you prepare each of the following compounds using either an acetoacetic ester synthesis or a malonic ester synthesis? Show all intermediate structures and all reagents 5. COOH
how to approach these reactions? 08. The following molecules can be formed by either: Michael Reaction;...
how
to approach these reactions?
08. The following molecules can be formed by either: Michael Reaction; Enamine Acylation; Acetoacetic Ester Synthesis; Michael Addition; Malonic Ester Synthesis; Robinson Annulation; Aldol Condensation; Claisen Condensation; Intramolecular Aldol Condensation; Dieckmann Condensation or a Combination of two of the above listed reaction. In each case write the proper of the reaction on the line and dissect the product into appropriate starting material. In some cases there might only be one starting material. You may use...
Part II. Short Answer 1. Rank the following molecules from most acidic (1) to least acidic...
Part II. Short Answer 1. Rank the following molecules from most acidic (1) to least acidic (6) (CF,) CHOH CHỊC°CH (CHỊ) COH CH,CH,OH CH3COOH CH,OH 2. Circle the strongest base. он > 8 3. Circle the molecule with the lowest expected boiling point. non o el 4. Rank the following from 1 (most acidic) to 4 (least acidic). phenol p-nitrophenol methylphenol tert-butanol TTT SL
Rank the following group of compounds from most acidic (1) to least acidic (4). Place the...
Rank the following group of compounds from most acidic (1) to least acidic (4). Place the number corresp the compound's relative rank in the blank below the structure. (4 points) 2. (CF3)2CHOH CH3CH OH 3. Predict the product of the following reaction. (6 points) heat and general method for the synthesis of alcohols is the addition of Grignard reagents to ca Show what Grignard reagent and what carbonyl compound you would start with to prepare each 4. A high below....
Organic Chemistry 4. Below are two molecules, B and C. Explain the differences in pKa of...
Organic Chemistry
4. Below are two molecules, B and C. Explain the differences in pKa of the two molecules by drawing the conjugate base of molecule C and a resonance structure that would not be found in molecule B. Hint: Draw out the NO2 group. conjugate base of molecule C pKa- 29.5 molecule B NO2 pka= 8.6 molecule C 5. Below is the molecule Abilify, which is a top selling drug that is used to treat schizophrenia, bipolar disorder and...
1. Predict the products of the following reactions (18 points, 3 each) Catalytic KOH methanol/water solvent Catalytic KOH methanol/water solvent Catalytic KOH methanol water solvent Catalye KOH. 1 equivalent NaOCH.CH ethanol solvent I equivalent NaOCH.CH ethanol solvent 2. Write the product of the following reaction and the full mechanism by which it is formed. Clearly show which steps are reversible and which one step is irreversible. (8 points). 1 equivalent NaOCH CH3 cthanol solvent + excess 3. Circle the most...
5. How might you use acetoacetic ester to perform the following synthesis. (10 points). 3 om s nsonbyH o nap9byi 6. Use any reagents you wish to perform the following transformation. Hint: the first step is a chem 242L experiment.(10 points) ot stohosa y uoy dr woH 7. How would you perform the following syntheses using eneamines and any chloro compound you want to use. (8 points). olen eta se s au uoy ialin wolt.
Circle only the most acidic hydrogen in each of the following
molecules
7) (20) Using your newly accumulated knowledge, complete the following acid- base reactions with the understanding that the anion in each case acts as the base to accept the most acidic hydrogen from the other species (you will have to determine what hydrogen is the most acidic). Be sure to clearly indicate the direction of the equilibrium by drawing the appropriate arrows. Try to do this without consulting...
2 Circle the most acidic hydrogen(s) in the molecule. (8 pts) H 1 HH H a. H HHH HHHH 3. Determine the pK, for each type of hydrogen in the molecule. Write the number above the line for each type of hydrogen. (10 pts) ноно HHHH 4. Draw an arrow pointing to the most basic atom in each molecule. (8 pts) b. OCH 5. Show the synthesis of the target molecule. You may use benzene, potassium cyanide, and chloromethane as...
Question 19 2.5 pts Order the following compounds from most acidic to least acidic. دهد تا با 2 >1 >4 > 3 @ 1 > 4>2 > 3 1 >2>4> 2 > 3 * Previous Next → Question 20 2.5 pts What is required to complete the synthesis? H30+ Reactant 1. NaOE 2. bromoethane 1. NaOE 2. 1-brom malonic ester acetoacetic ester 2 ethyl methyl ketone pentane-2,4-dione Question 22 2.5 pts Which compound below has the most acidic proton(s)? H2CO...
Diethyl malonate can be prepared by the following reaction sequence. Draw the structures of each of the missing intermediates in the boxes provided. 4. |сH,сH он. 1. Bry PBr3 OH 2. H2O не На NaCN HSO NC CH CH-OH осH сH, CH2 HQ, heat CH2 HCl OEt Et0 How would you prepare each of the following compounds using either an acetoacetic ester synthesis or a malonic ester synthesis? Show all intermediate structures and all reagents 5. COOH
how
to approach these reactions?
08. The following molecules can be formed by either: Michael Reaction; Enamine Acylation; Acetoacetic Ester Synthesis; Michael Addition; Malonic Ester Synthesis; Robinson Annulation; Aldol Condensation; Claisen Condensation; Intramolecular Aldol Condensation; Dieckmann Condensation or a Combination of two of the above listed reaction. In each case write the proper of the reaction on the line and dissect the product into appropriate starting material. In some cases there might only be one starting material. You may use...
Part II. Short Answer 1. Rank the following molecules from most acidic (1) to least acidic (6) (CF,) CHOH CHỊC°CH (CHỊ) COH CH,CH,OH CH3COOH CH,OH 2. Circle the strongest base. он > 8 3. Circle the molecule with the lowest expected boiling point. non o el 4. Rank the following from 1 (most acidic) to 4 (least acidic). phenol p-nitrophenol methylphenol tert-butanol TTT SL
Rank the following group of compounds from most acidic (1) to least acidic (4). Place the number corresp the compound's relative rank in the blank below the structure. (4 points) 2. (CF3)2CHOH CH3CH OH 3. Predict the product of the following reaction. (6 points) heat and general method for the synthesis of alcohols is the addition of Grignard reagents to ca Show what Grignard reagent and what carbonyl compound you would start with to prepare each 4. A high below....
Organic Chemistry
4. Below are two molecules, B and C. Explain the differences in pKa of the two molecules by drawing the conjugate base of molecule C and a resonance structure that would not be found in molecule B. Hint: Draw out the NO2 group. conjugate base of molecule C pKa- 29.5 molecule B NO2 pka= 8.6 molecule C 5. Below is the molecule Abilify, which is a top selling drug that is used to treat schizophrenia, bipolar disorder and...
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