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Problem 3. (up to 10 pts) Consider the following reaction. Provide the structure of the compound...
4. Predict the products of the following reactions & indicate whether they are most likely to...
4. Predict the products of the following reactions & indicate whether they are most likely to go through an SN2, SN1, E1, or E2 mechanism. NaCN DMSO NaOH CH3OH heat Only one product is formed in the following E2 elimination reaction. Draw an arrow-pushing mechanism for the reaction and provide the correct product structure. Include a 3-D drawing (chair conformation) displaying proper stereochemistry of the transition state to explain formation of only the major product. CH3 •Br NaOCH3 ~"'CHS
show all work please thank you!!! 3. (10 pts total) Consider the following alkene addition reaction:...
show all work please thank you!!!
3. (10 pts total) Consider the following alkene addition reaction: Brz H2O НО Br a. (3 pts) This type of alkene addition reaction is mediated by both Lewis acids and bases. Of the two inorganic reactants (Br2 and H2O), place a triangle (1) around the one which functions as a Lewis acid in the above transformation b. (3 pts) of the two regioisomeric reaction products shown, only one is observed to form under the...
4. (2 pts) Consider the enolate forming reaction below. Provide the structure of the enolate anion...
4. (2 pts) Consider the enolate forming reaction below. Provide the structure of the enolate anion formed in this reaction (only need to provide one resonance contributor). HiC o: H2C Нас pKa -20 pKa -33 Enolate oti (2 pts) Based on the information provided, do you expect the favored enolate to be the kinetic or thermodynamic enolate? Briefly explain.
20) Provide the major organic product of the reaction shown. HBr OH 21) Provide the structure of ...
please explain
20) Provide the major organic product of the reaction shown. HBr OH 21) Provide the structure of the major organic product in the reaction below. 21) OH PBr CH MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 22) What is the product of the following reaction? NaOCH3 CH OH OH IV C) III D) IV A) I B) II 23) 23) What is the major alkene formed when compound A is...
Exploring Enolates (Predict the Product, Reactant, or Reagent). (5 pts each, 20 pts TOTAL) Provide the...
Exploring Enolates (Predict the Product, Reactant, or Reagent). (5 pts each, 20 pts TOTAL) Provide the stable organic product(s) that would result for each reaction below, or provide the reactant necessary to achieve the transformation show, or provide the appropriate reagents and work-up conditions (if necessary) to perform the given reaction. Label the product formed in highest yield as "major" and include stereochemistry whenever appropriate 0 Ph ONa (catalytic) F3C он 78 °C a dicarbonyl starting material NH2 CH3CH2ONa (catalytic)...
Provide the major organic compound in the following reaction. Provide the structure of the major organic...
Provide the major organic compound in the following reaction. Provide the structure of the major organic product in the reaction below. Provide the structure of the major organic product in the reaction below. Provide the major organic product and IUPAC name of the reaction shown below. Predict the major product of the following reaction. Provide the major organic product of the following reaction.
Consider the information given below and identify the structure of the unknown compound A, with a...
Consider the information given below and identify the structure of the unknown compound A, with a molecular formula of C8H14. Compound A reacts with Br2/CCl4. Upon reaction of A with excess H2/Ni, 1-ethyl-2-methylcyclopentane is produced. Subjecting A to ozonolysis, the product shown below is produced as the major organic product. Draw the correct structure of compound A, and provide a brief and clear explanation relating the data provide with the structure selected.
10) Provide the structure of the major organic product in the following reaction. (CH3)3N + CH3CH2CH21...
10) Provide the structure of the major organic product in the following reaction. (CH3)3N + CH3CH2CH21 - 11) Provide the structure of the major organic product in the reaction below. NBS 12) What series of synthetic steps could be used to carry out the transformation shown below? CN 13) Provide the structure of the major organic product(s) in the reaction below. -CEC-H HgSO, HO H,SO We were unable to transcribe this image
11) (24 pts total) (A) Consider the following compounds: 4-heptanone 3-hexanone 2-hexanone cyclohexanone methyl acetate...
11) (24 pts total) (A) Consider the following compounds: 4-heptanone 3-hexanone 2-hexanone cyclohexanone methyl acetate (a) (4 pts) Circle the compound that could be subjected to a haloform reaction (b) (12 pts) Provide the structure of the product obtained when the compound chosen in (a) undergoes the iodoform reaction; include the correct steochiometry for all the reagents used in the reaction. (B) (8 pts) Provide the strctures of compounds A and B obtained in the reaction sshown below.
please help II. (8 pts.) Draw both possible chair conformations of the following compound as sawhorse...
please help
II. (8 pts.) Draw both possible chair conformations of the following compound as sawhorse projections. Show all substituents on the substituted positions of the ring. Each structure will be graded as right or wrong (no partial credit), so do your very best. OH III. (12 pts.) Give the expected major product for each reaction. Show any stereochemistry clearly. HCI, room temp (1 equiv.) 1) H2 Lindlar catalyst 2) BH3
4. Predict the products of the following reactions & indicate whether they are most likely to go through an SN2, SN1, E1, or E2 mechanism. NaCN DMSO NaOH CH3OH heat Only one product is formed in the following E2 elimination reaction. Draw an arrow-pushing mechanism for the reaction and provide the correct product structure. Include a 3-D drawing (chair conformation) displaying proper stereochemistry of the transition state to explain formation of only the major product. CH3 •Br NaOCH3 ~"'CHS
show all work please thank you!!!
3. (10 pts total) Consider the following alkene addition reaction: Brz H2O НО Br a. (3 pts) This type of alkene addition reaction is mediated by both Lewis acids and bases. Of the two inorganic reactants (Br2 and H2O), place a triangle (1) around the one which functions as a Lewis acid in the above transformation b. (3 pts) of the two regioisomeric reaction products shown, only one is observed to form under the...
4. (2 pts) Consider the enolate forming reaction below. Provide the structure of the enolate anion formed in this reaction (only need to provide one resonance contributor). HiC o: H2C Нас pKa -20 pKa -33 Enolate oti (2 pts) Based on the information provided, do you expect the favored enolate to be the kinetic or thermodynamic enolate? Briefly explain.
please explain
20) Provide the major organic product of the reaction shown. HBr OH 21) Provide the structure of the major organic product in the reaction below. 21) OH PBr CH MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 22) What is the product of the following reaction? NaOCH3 CH OH OH IV C) III D) IV A) I B) II 23) 23) What is the major alkene formed when compound A is...
Exploring Enolates (Predict the Product, Reactant, or Reagent). (5 pts each, 20 pts TOTAL) Provide the stable organic product(s) that would result for each reaction below, or provide the reactant necessary to achieve the transformation show, or provide the appropriate reagents and work-up conditions (if necessary) to perform the given reaction. Label the product formed in highest yield as "major" and include stereochemistry whenever appropriate 0 Ph ONa (catalytic) F3C он 78 °C a dicarbonyl starting material NH2 CH3CH2ONa (catalytic)...
Provide the major organic compound in the following reaction. Provide the structure of the major organic product in the reaction below. Provide the structure of the major organic product in the reaction below. Provide the major organic product and IUPAC name of the reaction shown below. Predict the major product of the following reaction. Provide the major organic product of the following reaction.
10) Provide the structure of the major organic product in the following reaction. (CH3)3N + CH3CH2CH21 - 11) Provide the structure of the major organic product in the reaction below. NBS 12) What series of synthetic steps could be used to carry out the transformation shown below? CN 13) Provide the structure of the major organic product(s) in the reaction below. -CEC-H HgSO, HO H,SO We were unable to transcribe this image
11) (24 pts total) (A) Consider the following compounds: 4-heptanone 3-hexanone 2-hexanone cyclohexanone methyl acetate (a) (4 pts) Circle the compound that could be subjected to a haloform reaction (b) (12 pts) Provide the structure of the product obtained when the compound chosen in (a) undergoes the iodoform reaction; include the correct steochiometry for all the reagents used in the reaction. (B) (8 pts) Provide the strctures of compounds A and B obtained in the reaction sshown below.
please help
II. (8 pts.) Draw both possible chair conformations of the following compound as sawhorse projections. Show all substituents on the substituted positions of the ring. Each structure will be graded as right or wrong (no partial credit), so do your very best. OH III. (12 pts.) Give the expected major product for each reaction. Show any stereochemistry clearly. HCI, room temp (1 equiv.) 1) H2 Lindlar catalyst 2) BH3
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