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3. When compound A is reacted with BH3•THF in a first step and basic hydrogen peroxide...
4. Molecule W has the molecular formula C&H. When Molecule W is reacted first with BH3...
4. Molecule W has the molecular formula C&H. When Molecule W is reacted first with BH3 in tetrahydrofuran (THF) then treated with basic hydrogen peroxide the resulting products are an optically inactive mixture of molecules H and A. When molecule Wis treated with warm KMnO4 followed by an acidic water treatment the molecule below is the product. Draw out the structure for molecules W. H and A? You must show all of your work in order to earn full credit...
. When Molecule W is reacted first with cules H and A. When molecule Wis 4....
. When Molecule W is reacted first with cules H and A. When molecule Wis 4. Molecule W has the molecular formula C8H14. When Molecule W is reaca BH3 in tetrahydrofuran (THF) then treated with basic hydrogen peroxide the resu eroxide the resulting products are an optically inactive mixture of molecules H and A. When more treated with warm KMnO4 followed by an acidic water treatment the molecule the product. Draw out the structure for molecules W, H and A?...
Compound A (C6H11Br), when reacted with magnesium, provides a carbon nucleophile, called compound B. Compound B...
Compound A (C6H11Br), when reacted with magnesium, provides a
carbon nucleophile, called compound B. Compound B is then reacted
with 2-propanone followed by an acidic workup to give compound C
(C9H18O). When compound C reacts with H2SO4 an internal alkene is
formed, known as compound D (C9H16). What are the structures for
compounds A-D? Show your logic and reasoning.
2-Propanone
Compound A (C6H11Br) when reacted with magnesium provides a carbon nucleophile, called compound B. Compound B...
Compound A (C6H11Br) when reacted with magnesium provides a carbon nucleophile, called compound B. Compound B is then reacted with 2-propanone followed by an acidic work-up to give compound C (CH180). When compound C reacts with H2SO4 an internal alkene is formed, known as compound D (C9H16). What are the structures for compounds A-D? Show your logic and reasoning to gain full credit. i 2-Propanone
a. Provide the major product(s) of its reaction with BH3-THF followed by H2O2 in basic aqueous solution. Include stereo...
a. Provide the major product(s) of its reaction with BH3-THF followed by H2O2 in basic aqueous solution. Include stereochemistry. In addition, draw the arrow(s) that leads to the initial interaction between alkene and BH3. Draw the structure of that intermediate and label atoms with d+ and d- to show partial charges, Give a BRIEF explanation for the regioselectivity of the step that follows. b. Provide the curved arrow mechanism and the major product(s) of its reaction with Hg(OAc)2 in 1-propanol...
When the following optically pure compound (1) is treated with NaN3 in THF (tetrahydrofuran = the...
When the following optically pure compound (1) is treated with
NaN3 in THF (tetrahydrofuran = the solvent) followed by an acidic
work-up it is found that for step #1, the rate of formation of the
product is tripled when the concentration of NaN3 is tripled. Which
is the expected major product?
6. The reaction in question #5 proceeded via which
mechanism?
a. E1
b. E2
c. SN1
d. SN2
e. SN2´ (allylic displacement)
5. When the following optically pure compound...
C. Explain about solubility of an amino acid when subjected to an acidic media and basic...
C. Explain about solubility of an amino acid when subjected to an
acidic media and basic media. Indicate the compound which would be
at the isoelectric point. (Draw a diagram to help
explain)
c. Explain about the solubility of and amino acid when subjected to an acidic media and basic media. Indicate the compound which would be at the isoelectric point. (Draw a diagram to help explain). (3 marks) Amino acids are the building blocks of proteins, acidic amino acids...
[Review Topical [References) 1-Butene reacts with borane in THF followed by hydrogen peroxide in aqueous NaOH to...
[Review Topical [References) 1-Butene reacts with borane in THF followed by hydrogen peroxide in aqueous NaOH to give A (CH100). Treatment of A with aqueous chromic acid or Cro, in acetic acid gives B (C,H,O,). Draw the structure of B. • You do not have to consider stereochemistry. . In cases where there is more than one answer, just draw one. ChemDoodle [Review Topics) [References) A (CzH,0) reacts rapidly with ethylmagnesium bromide in anhydrous ether to give B (C,H,20). Treatment...
identify which compound is more acidic and explain your choice. or each of the following compounds,...
identify which compound is more acidic and explain your choice. or each of the following compounds, Make sure you include structures of these which compounds in your answers ounds, 1. F (e) 24-Dimethy-3,5-hepanedione or 4, 4-Dimethy)-3,5-heptanedione (b) 1.2-Cyclopentanedione or 1,3-cyclopentanedione 2. When 2-hepten-4-one is treated with LDA, a proton is removed from one of the gamma (z) positions. identily which gamma position is deprotonated, and explain why the y proton is the most acidie proton in the compound. 3. Rank...
(4) The pKof hydrogen peroxide, H2O2, is 11.6. Determine the pH of a 1.00 M aqueous...
(4) The pKof hydrogen peroxide, H2O2, is 11.6. Determine the pH of a 1.00 M aqueous solution of aqueous potassium dioxidanide, KHO2. (a) 12.8 (b) 2.4 (C) 1.2 (d) 5.0 (e) 11.6 (1) 9.0 (5) RESPECTIVELY (respecting the order) determine the acidic basic/neutral character of aqueous solutions of the following solutes: (1) Cr(CHO2)2 PK (Cr?) = 5.2 ; pK (CHO2) = 10.25 (2) LiNO; (3) HCIO (4) KF 1 2 3 4 (a) B, N, A, B (b) A, N,...
4. Molecule W has the molecular formula C&H. When Molecule W is reacted first with BH3 in tetrahydrofuran (THF) then treated with basic hydrogen peroxide the resulting products are an optically inactive mixture of molecules H and A. When molecule Wis treated with warm KMnO4 followed by an acidic water treatment the molecule below is the product. Draw out the structure for molecules W. H and A? You must show all of your work in order to earn full credit...
. When Molecule W is reacted first with cules H and A. When molecule Wis 4. Molecule W has the molecular formula C8H14. When Molecule W is reaca BH3 in tetrahydrofuran (THF) then treated with basic hydrogen peroxide the resu eroxide the resulting products are an optically inactive mixture of molecules H and A. When more treated with warm KMnO4 followed by an acidic water treatment the molecule the product. Draw out the structure for molecules W, H and A?...
Compound A (C6H11Br), when reacted with magnesium, provides a
carbon nucleophile, called compound B. Compound B is then reacted
with 2-propanone followed by an acidic workup to give compound C
(C9H18O). When compound C reacts with H2SO4 an internal alkene is
formed, known as compound D (C9H16). What are the structures for
compounds A-D? Show your logic and reasoning.
2-Propanone
Compound A (C6H11Br) when reacted with magnesium provides a carbon nucleophile, called compound B. Compound B is then reacted with 2-propanone followed by an acidic work-up to give compound C (CH180). When compound C reacts with H2SO4 an internal alkene is formed, known as compound D (C9H16). What are the structures for compounds A-D? Show your logic and reasoning to gain full credit. i 2-Propanone
a. Provide the major product(s) of its reaction with BH3-THF followed by H2O2 in basic aqueous solution. Include stereochemistry. In addition, draw the arrow(s) that leads to the initial interaction between alkene and BH3. Draw the structure of that intermediate and label atoms with d+ and d- to show partial charges, Give a BRIEF explanation for the regioselectivity of the step that follows. b. Provide the curved arrow mechanism and the major product(s) of its reaction with Hg(OAc)2 in 1-propanol...
When the following optically pure compound (1) is treated with
NaN3 in THF (tetrahydrofuran = the solvent) followed by an acidic
work-up it is found that for step #1, the rate of formation of the
product is tripled when the concentration of NaN3 is tripled. Which
is the expected major product?
6. The reaction in question #5 proceeded via which
mechanism?
a. E1
b. E2
c. SN1
d. SN2
e. SN2´ (allylic displacement)
5. When the following optically pure compound...
C. Explain about solubility of an amino acid when subjected to an
acidic media and basic media. Indicate the compound which would be
at the isoelectric point. (Draw a diagram to help
explain)
c. Explain about the solubility of and amino acid when subjected to an acidic media and basic media. Indicate the compound which would be at the isoelectric point. (Draw a diagram to help explain). (3 marks) Amino acids are the building blocks of proteins, acidic amino acids...
[Review Topical [References) 1-Butene reacts with borane in THF followed by hydrogen peroxide in aqueous NaOH to give A (CH100). Treatment of A with aqueous chromic acid or Cro, in acetic acid gives B (C,H,O,). Draw the structure of B. • You do not have to consider stereochemistry. . In cases where there is more than one answer, just draw one. ChemDoodle [Review Topics) [References) A (CzH,0) reacts rapidly with ethylmagnesium bromide in anhydrous ether to give B (C,H,20). Treatment...
identify which compound is more acidic and explain your choice. or each of the following compounds, Make sure you include structures of these which compounds in your answers ounds, 1. F (e) 24-Dimethy-3,5-hepanedione or 4, 4-Dimethy)-3,5-heptanedione (b) 1.2-Cyclopentanedione or 1,3-cyclopentanedione 2. When 2-hepten-4-one is treated with LDA, a proton is removed from one of the gamma (z) positions. identily which gamma position is deprotonated, and explain why the y proton is the most acidie proton in the compound. 3. Rank...
(4) The pKof hydrogen peroxide, H2O2, is 11.6. Determine the pH of a 1.00 M aqueous solution of aqueous potassium dioxidanide, KHO2. (a) 12.8 (b) 2.4 (C) 1.2 (d) 5.0 (e) 11.6 (1) 9.0 (5) RESPECTIVELY (respecting the order) determine the acidic basic/neutral character of aqueous solutions of the following solutes: (1) Cr(CHO2)2 PK (Cr?) = 5.2 ; pK (CHO2) = 10.25 (2) LiNO; (3) HCIO (4) KF 1 2 3 4 (a) B, N, A, B (b) A, N,...
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