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0.5/1 pts Partial estion 6 See Figure 11-4. Which pairfs) of carbonyl compounds could do a...
Question 4 1 pts Which of the following statements is true? Carbonyl compounds are Lewis acids...
Question 4 1 pts Which of the following statements is true? Carbonyl compounds are Lewis acids because the oxygen has a partial negative charge and can donate electrons. Carbonyl compounds are Lewis acids because the double bond has electron density and can donate electrons. Carbonyl compounds are Lewis acids because the carbon has a partial positive charge and can accept electrons Carbonyl compounds are Lewis bases only.
11) (50 pts total) Consider the following 2 compounds: Yor You I II (a) (6 pts)...
11) (50 pts total) Consider the following 2 compounds: Yor You I II (a) (6 pts) Provide the IUPAC names for compounds I and II. Compound I: Compound II: (b) (10 pts) Draw the resonance contributors of compounds I and II. Which compound is more stable? Explain in 20 words or less. (c) (6 pts) Which C-N bond below is shorter, A or B ? Explain in 20 words or less. (d) (6 pts) Draw the products obtained when compound...
Rank all of the carbonyl-containing compounds in Figure 1 in terms of most electrophilic (4) to...
Rank all of the carbonyl-containing compounds in Figure 1 in terms of most electrophilic (4) to least electrophilic (1). phenyl benzoate benzanilide benzophenone 2-naphthaldehyde
(e) (15 pts) When compound I undergoes the chemical transformations seen below, two new carbonyl compounds...
(e) (15 pts) When compound I undergoes the chemical transformations seen below, two new carbonyl compounds are formed (III and IV). 1 equivalent of MgBr I DIBAL-H III (major organic product) IV (major organic product) 1) (6 pts) Provide the structures for compounds III and IV. (11) (9 pts) Which of the two carbonyl compounds is more susceptible to nucleophilic addition: III or IV ? Provide two reasons for your choice. (1) pts) Rank the following compounds in the order...
PHARMACOLOGY Partial Question 4 0.5/1 pts Select all that apply. In which of the following medication...
PHARMACOLOGY
Partial Question 4 0.5/1 pts Select all that apply. In which of the following medication classes is sexual dysfunction more common? TCAS MAOIS ✓ SSRIs SNRIs None of the choices
6. Which one of the following carbonyl compounds has the highest percentage of enol when keto-enol...
6. Which one of the following carbonyl compounds has the highest percentage of enol when keto-enol equilibrium has been established? D 7. What is the major organic product that is formed from the reaction on the right? H2SO4 но 3 ОН Он ОН HO C) 3 A) 1 B) 2 D) 4
1. True and False Question (0.5 point per question) a) Carbonyl compounds have higher boiling points...
1. True and False Question (0.5 point per question) a) Carbonyl compounds have higher boiling points than hydrocarbons, but lower boiling points than corresponding alcohols. b) Aldehydes and ketones react with primary amines to form imines and with secondary amines to form enamines. c) Aldehydes and ketones can be oxidized to carboxylic acids. d) Diols can form acetal with the ketone or aldehyde to protect them for selective reduction of the ester. e) The electron-withdrawing group in Wittig reagent does...
see? do you 22. Which faces of the carbonyl groups b a Re, b Si a...
see? do you 22. Which faces of the carbonyl groups b a Re, b Si a Si, b Si (A) (B) a Si, b Re (C) a Re, b Re (D) 23. In the reaction, if the pro-S hydrogen is replaced with bromine, what is the product? Br2 CH3 C. PBr3 HH Br II II C Br CH2 (B) (A) HH H H 11 11 CH3 CHS-C (D) (C) OH HO Br H H Br 3W
4. Multiple Choice Place your answer in the space provided. (2 pts. each; 12 pts. total)...
4. Multiple Choice Place your answer in the space provided. (2 pts. each; 12 pts. total) Which is NOT true of the aldol condensation? A. It accomplishes the formation of a new carbon-carbon bond B. The enolate is favored at equilibrium (assume NaOH as the base) C. The key step is the mechanism is attack of the enolate ion on a carbonyl carbon atom D. Dehydration of the aldol product is often observed and is irreversible. _Which sets of hydrogen...
DQuestion 1 1 pts See Figure 11-1. To make Compound 1 using the malonic ester synthesis,...
DQuestion 1 1 pts See Figure 11-1. To make Compound 1 using the malonic ester synthesis, you would react malonic ester with 1. base and 2. Select ] 3. base and 4 I Select l I Select ] D Question 2 1 pts See Figure 11-1. To make Compound 2 using the malonic ester synthesis, you would react malonic ester with 1. base and 2. Select 3. base and 4. I Select ]
Question 4 1 pts Which of the following statements is true? Carbonyl compounds are Lewis acids because the oxygen has a partial negative charge and can donate electrons. Carbonyl compounds are Lewis acids because the double bond has electron density and can donate electrons. Carbonyl compounds are Lewis acids because the carbon has a partial positive charge and can accept electrons Carbonyl compounds are Lewis bases only.
11) (50 pts total) Consider the following 2 compounds: Yor You I II (a) (6 pts) Provide the IUPAC names for compounds I and II. Compound I: Compound II: (b) (10 pts) Draw the resonance contributors of compounds I and II. Which compound is more stable? Explain in 20 words or less. (c) (6 pts) Which C-N bond below is shorter, A or B ? Explain in 20 words or less. (d) (6 pts) Draw the products obtained when compound...
(e) (15 pts) When compound I undergoes the chemical transformations seen below, two new carbonyl compounds are formed (III and IV). 1 equivalent of MgBr I DIBAL-H III (major organic product) IV (major organic product) 1) (6 pts) Provide the structures for compounds III and IV. (11) (9 pts) Which of the two carbonyl compounds is more susceptible to nucleophilic addition: III or IV ? Provide two reasons for your choice. (1) pts) Rank the following compounds in the order...
PHARMACOLOGY
Partial Question 4 0.5/1 pts Select all that apply. In which of the following medication classes is sexual dysfunction more common? TCAS MAOIS ✓ SSRIs SNRIs None of the choices
6. Which one of the following carbonyl compounds has the highest percentage of enol when keto-enol equilibrium has been established? D 7. What is the major organic product that is formed from the reaction on the right? H2SO4 но 3 ОН Он ОН HO C) 3 A) 1 B) 2 D) 4
see? do you 22. Which faces of the carbonyl groups b a Re, b Si a Si, b Si (A) (B) a Si, b Re (C) a Re, b Re (D) 23. In the reaction, if the pro-S hydrogen is replaced with bromine, what is the product? Br2 CH3 C. PBr3 HH Br II II C Br CH2 (B) (A) HH H H 11 11 CH3 CHS-C (D) (C) OH HO Br H H Br 3W
4. Multiple Choice Place your answer in the space provided. (2 pts. each; 12 pts. total) Which is NOT true of the aldol condensation? A. It accomplishes the formation of a new carbon-carbon bond B. The enolate is favored at equilibrium (assume NaOH as the base) C. The key step is the mechanism is attack of the enolate ion on a carbonyl carbon atom D. Dehydration of the aldol product is often observed and is irreversible. _Which sets of hydrogen...
DQuestion 1 1 pts See Figure 11-1. To make Compound 1 using the malonic ester synthesis, you would react malonic ester with 1. base and 2. Select ] 3. base and 4 I Select l I Select ] D Question 2 1 pts See Figure 11-1. To make Compound 2 using the malonic ester synthesis, you would react malonic ester with 1. base and 2. Select 3. base and 4. I Select ]
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