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(6) Which of the following reagen (b) Which of the following reagents would be more nucleophilic...
Page 2 3. I State which reagent you would expect to be more nucleophilic. (1 pt.)...
Page 2 3. I State which reagent you would expect to be more nucleophilic. (1 pt.) ii. Explain why you would expect your choice to be more nucleophilic. (2 pts.) a) CH,CH,OH or CH,CH,0- b) Ph-S or Ph-0-
3. State which reagent you would expect to be more nucleophilic (1 pt.) ii. Explain why...
3. State which reagent you would expect to be more nucleophilic (1 pt.) ii. Explain why you would expect your choice to be more nucleophilic (2 pts.) a) CH CH.OH or CH CHO b) Ph-5 or Ph-O-
Question 10 What reagents is the best choice for achieving the following chemical transformation? O 0...
Question 10 What reagents is the best choice for achieving the following chemical transformation? O 0 ?? CH CC1; a. Cl2, NaOH b. PC13 Ос. HCI, А d. NaCl, H20 e. Cl2, AcOH Of. Cl2 Question 11 Which attacking species shown below would be the best choice to enforce an E2 pathway over an Sp2 pathway for the reaction below? Attacking Species? Br H CH CH3MBI HCO HC O H (b) CH NH OH (a) SH ( a. a Сь....
(b) NH2 с Suggest reagents /conditions for the conversion of 5 into 6 and provide a...
(b) NH2 с Suggest reagents /conditions for the conversion of 5 into 6 and provide a mechanism for this conversion. (6 marks) Question I continues on next page Page 2 of 8 Question 1 continued (i) Suggest reagents / conditions d for the conversion of 5 into 7 and provide a mechanism for this conversion. (6 marks) (c) Propose a structure for compound B, provide a mechanism to account for this interconversion and comment on the effect of the amount...
3) Gilman reagents are a type of organocuprate which are able to provide nucleophilic carbons for...
3) Gilman reagents are a type of organocuprate which are able to provide nucleophilic carbons for a 1,4 conjugated addition on a,B-unsaturated carbonyls (see below). Following the addition, an acidic workup protonates the anionic intermediate to yield the product shown. a. Draw the mechanism that occurs between the anionic carbon nucleophile and the cyclic ketone electrophile. The mechanism should use 3 arrows. Show the intermediate following the addition in the box below. Indicate charges Explain why the nucleophilic carbon attacks...
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...
please help with these ASAP, thanks! Which starting material would most easily be converted to the...
please help with these ASAP,
thanks!
Which starting material would most easily be converted to the amide below through nucleophilic acyl substitution? "NH2 o o ОН O Arrange the compounds below in order of decreasing basicity. List the most basic compound first. 1. II. HN III. IV. HAN NH3 O II > IV > III >I I> III > II > IV O I > III > IV > II III > I > IV > II
Part A (2 marks) In the following pairs of complexes, which do you expect to have...
Part A (2 marks) In the following pairs of complexes, which do you expect to have a larger ligand field splitting parameter Ao? Why? Explain? i) [Fe(NH3)612+ or [Fe(NH3). 13+ ii) (Co(CN)613- or [Rh(CN)613- Part B (3 maks) In the following pairs of complexes, which do you expect to be more labile? Why? Explain? ) [Cr(NH3)613+ or [Mn(NH3)6]3+ ii) (Co(CN)613- or [Rh(CN)613- ii) [Cr(NH3).]3+ or [V(NH3).]2+
the following synthesis requires more than one step. specify the reagents you would use to carry...
the following synthesis requires more than one step. specify
the reagents you would use to carry it out.
The following synthesis requires more than one step. Specify the reagents you would use to carry it out. Specify reagents using letters from the table, first reagent on the left. Exawple: ab HH CH3CH2CH2CH2C=CH HC-H CH3CH2CH2CH2 CH3 Reagents Br2 CH?l2 / Zn(Cu) / ether i 1.03 2. Zn/H30* b CH31 Hz / Lindlar catalyst Li in NH3 CH3CH2! 9 Hz over Pd/C...
A26 Choose which of the following reactions would NOT proceed as written: OH + CH3S SCH,...
A26 Choose which of the following reactions would NOT proceed as written: OH + CH3S SCH, + OH OH + PBrz - → 3 . Br + H₃PO3 HI MeOH OH CN + NaCN NaCl OH (A) I only (B) I and III only (C) Il only (D) IV only (E) II and III only
Page 2 3. I State which reagent you would expect to be more nucleophilic. (1 pt.) ii. Explain why you would expect your choice to be more nucleophilic. (2 pts.) a) CH,CH,OH or CH,CH,0- b) Ph-S or Ph-0-
3. State which reagent you would expect to be more nucleophilic (1 pt.) ii. Explain why you would expect your choice to be more nucleophilic (2 pts.) a) CH CH.OH or CH CHO b) Ph-5 or Ph-O-
Question 10 What reagents is the best choice for achieving the following chemical transformation? O 0 ?? CH CC1; a. Cl2, NaOH b. PC13 Ос. HCI, А d. NaCl, H20 e. Cl2, AcOH Of. Cl2 Question 11 Which attacking species shown below would be the best choice to enforce an E2 pathway over an Sp2 pathway for the reaction below? Attacking Species? Br H CH CH3MBI HCO HC O H (b) CH NH OH (a) SH ( a. a Сь....
(b) NH2 с Suggest reagents /conditions for the conversion of 5 into 6 and provide a mechanism for this conversion. (6 marks) Question I continues on next page Page 2 of 8 Question 1 continued (i) Suggest reagents / conditions d for the conversion of 5 into 7 and provide a mechanism for this conversion. (6 marks) (c) Propose a structure for compound B, provide a mechanism to account for this interconversion and comment on the effect of the amount...
3) Gilman reagents are a type of organocuprate which are able to provide nucleophilic carbons for a 1,4 conjugated addition on a,B-unsaturated carbonyls (see below). Following the addition, an acidic workup protonates the anionic intermediate to yield the product shown. a. Draw the mechanism that occurs between the anionic carbon nucleophile and the cyclic ketone electrophile. The mechanism should use 3 arrows. Show the intermediate following the addition in the box below. Indicate charges Explain why the nucleophilic carbon attacks...
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...
please help with these ASAP,
thanks!
Which starting material would most easily be converted to the amide below through nucleophilic acyl substitution? "NH2 o o ОН O Arrange the compounds below in order of decreasing basicity. List the most basic compound first. 1. II. HN III. IV. HAN NH3 O II > IV > III >I I> III > II > IV O I > III > IV > II III > I > IV > II
Part A (2 marks) In the following pairs of complexes, which do you expect to have a larger ligand field splitting parameter Ao? Why? Explain? i) [Fe(NH3)612+ or [Fe(NH3). 13+ ii) (Co(CN)613- or [Rh(CN)613- Part B (3 maks) In the following pairs of complexes, which do you expect to be more labile? Why? Explain? ) [Cr(NH3)613+ or [Mn(NH3)6]3+ ii) (Co(CN)613- or [Rh(CN)613- ii) [Cr(NH3).]3+ or [V(NH3).]2+
the following synthesis requires more than one step. specify
the reagents you would use to carry it out.
The following synthesis requires more than one step. Specify the reagents you would use to carry it out. Specify reagents using letters from the table, first reagent on the left. Exawple: ab HH CH3CH2CH2CH2C=CH HC-H CH3CH2CH2CH2 CH3 Reagents Br2 CH?l2 / Zn(Cu) / ether i 1.03 2. Zn/H30* b CH31 Hz / Lindlar catalyst Li in NH3 CH3CH2! 9 Hz over Pd/C...
A26 Choose which of the following reactions would NOT proceed as written: OH + CH3S SCH, + OH OH + PBrz - → 3 . Br + H₃PO3 HI MeOH OH CN + NaCN NaCl OH (A) I only (B) I and III only (C) Il only (D) IV only (E) II and III only
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