Homework Answers
This reaction is benzoin condensation.
The benzaldehyde molecule underg condensation with other molecule to give the shown product
The reaction can not occur in absence of NaCN, as the carbonly carbon of benzaldehyde is not enough nucleophilic to undergo nucleophile addition reaction due to presence of benzene.
Benzaldehyde molecule will react with NaCN and will react the benzaldehyde and will convert the less nucleophilic carbonyl carbon (or sometimes called to be electrophilic carbonyl carbon) to high enough nucleophilic carbonyl carbon.
the mechanism will be
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The transformation below does not takes place when the starting materials are mixed with a thermodynamic...
Review Topics References Devise the most efficient synthesis for the carboxylic acid below using a starting...
Review Topics References Devise the most efficient synthesis for the carboxylic acid below using a starting material and reagents from the tables. Give your route by specifying the number of the starting material followed by the letters of the reagents you would use beginning with the first step. The answer 4th means treat t-butanol(4) with conc. HC (then treat the product with KOH in alcoholch). Starting materials OH B Reagents a Mg/ dry other KMnO/H,0 . Aqueous H,SO, at reflux...
Devise the most efficient synthesis for the carboxylic acid below using a starting material and reagents...
Devise the most efficient synthesis for the carboxylic acid below using a starting material and reagents from the tables. Give your route by specifying the number of the starting material followed by the letters of the reagents you would use beginning with the first step The answer 4th means treat -butanol(4) with conc. HCI(0) then treat the product with KOH in alcohol(h). Br Starting materials Br Br Reagents I KMnO4/H,O j Na2 CrOs/ aqueous H,SO k 1.BH THE a Mg...
Devise the most efficient synthesis for the carboxylic acid below using a starting material and reagents...
Devise the most efficient synthesis for the carboxylic acid
below using a starting material and reagents from the tables. Give
your route by specifying the number of the starting material
followed by the letters of the reagents you would use beginning
with the first step.
The answer 4fh means treat t-butanol(4)
with conc. HCl(f) then treat the product with KOH in
alcohol(h).
OH OH Starting materials Br Br OH OH Reagents Aqueous H,SO, at rofu f Conc. HCI or HCI...
4. (15 Points) Pericyclic Reactions: The transformation below can be described as a pericyclic reaction followed by a polar-acidic mechanism, where the acid is not shown because it is picked up from...
4. (15 Points) Pericyclic Reactions: The transformation below can be described as a pericyclic reaction followed by a polar-acidic mechanism, where the acid is not shown because it is picked up from the environment. (a) Start by redrawing the starting material below, and show how the pericyclic reaction occurs with curved arrows. (b) Specify the type of pericyclic reaction it represents and the name reaction. (c) If you've done the pericyclic reaction correctly, your product will be an enol. From...
42. What is the type of reaction that takes place when the below aldehyde reacts with...
42. What is the type of reaction that takes place when the below aldehyde reacts with Benedict's solution? Draw the product. (4 marks) H 43. Identify from propane and ethanamide which has the higher melting point. Explain. (4 marks) 44. Draw the product of the Base hydrolysis of the given ester. (3 marks) + H3C- -CH3 KOH
Devise the most efficient synthesis for the carboxylic acid below using a starting material and reagents...
Devise the most efficient synthesis for the carboxylic acid
below using a starting material and reagents from the tables. Give
your route by specifying the number of the starting material
followed by the letters of the reagents you would use beginning
with the first step.
The answer 4fh means treat t-butanol(4)
with conc. HCl(f) then treat the product with KOH in
alcohol(h).
please write legible and circle answer
OH rting materials Br Br ve tor OH нс 3 OH Он...
la) Consider the mixed aldol condensation reaction of 1-methylcyclopentane-1-carbaldehyde (shown below) and 3,3-dimethyl-2-butanone (shown below) in...
la) Consider the mixed aldol condensation reaction of 1-methylcyclopentane-1-carbaldehyde (shown below) and 3,3-dimethyl-2-butanone (shown below) in the presence of sodium hydroxide Provide the expected major MIXED aldol condensation product for this reaction (can exist as E or Z isomer so you can draw either) b) Would you have to heat the reaction mixture in order for the reaction to form the aldol condensation product? Why or wh y not? 2) Consider the mixed aldol condensation reaction of 3,3-dimethyl-2-butanone (shown in...
Which statements listed below can explain why a chemical reaction does not take place? concentration of...
Which statements listed below can explain why a chemical reaction does not take place? concentration of reactants is too low the temperature is too low not enough effective collisions are occurring some of these answers all of these answers For a chemical reaction the rate of the forward reaction is at a maximum when when the concentration of the reactants and products is the same a state of equilibrium is reached the reaction begins the concentration of products is greater...
please help me with questions from 3-10! and the bonus. thank you so much Directions: Place...
please help me with questions from 3-10! and the bonus.
thank you so much
Directions: Place your answers to the following questions in the provided spaces. (12 PTS) 1. What is the hybridization of the carbon atoms numbered 1 and 2 respectively in the following structure? -CU CECH A. B sp,sp? sp, sp sp, sp sp', sp sp, sp Ans. 2. What is the IUPAC name for the molecule shown below? os B. C. D. E. (E)-5-methyl-5-hepten-1-yne (2)-5-methyl-5-hepten-1-yne (E)-3-methyl-2-hepten-6-yne (2)-3-methyl-2-hepten-6-yne...
please help me with Organic Chemistry/Alkynes. Thank you! Directions: Place your answers to the following questio...
please help me with Organic Chemistry/Alkynes. Thank you!
Directions: Place your answers to the following questions in the provided spaces. (12 PTS) 1. What is the hybridization of the carbon atoms numbered 1 and 2 respectively in the following structure? -CI CECH A. B sp,sp? sp?sp? sp, sp sp, sp sp, sp E. Ans. - 2. What is the IUPAC name for the molecule shown below? 6b А. B. (E)-5-methyl-5-hepten-1-yne (2)-5-methyl-5-hepten-1-yne (E)-3-methyl-2-hepten-6-yne (2)-3-methyl-2-hepten-6-yne (E)-2-butynyl-2-butene E. Ans. Select the best explanation...
Review Topics References Devise the most efficient synthesis for the carboxylic acid below using a starting material and reagents from the tables. Give your route by specifying the number of the starting material followed by the letters of the reagents you would use beginning with the first step. The answer 4th means treat t-butanol(4) with conc. HC (then treat the product with KOH in alcoholch). Starting materials OH B Reagents a Mg/ dry other KMnO/H,0 . Aqueous H,SO, at reflux...
Devise the most efficient synthesis for the carboxylic acid below using a starting material and reagents from the tables. Give your route by specifying the number of the starting material followed by the letters of the reagents you would use beginning with the first step The answer 4th means treat -butanol(4) with conc. HCI(0) then treat the product with KOH in alcohol(h). Br Starting materials Br Br Reagents I KMnO4/H,O j Na2 CrOs/ aqueous H,SO k 1.BH THE a Mg...
Devise the most efficient synthesis for the carboxylic acid
below using a starting material and reagents from the tables. Give
your route by specifying the number of the starting material
followed by the letters of the reagents you would use beginning
with the first step.
The answer 4fh means treat t-butanol(4)
with conc. HCl(f) then treat the product with KOH in
alcohol(h).
OH OH Starting materials Br Br OH OH Reagents Aqueous H,SO, at rofu f Conc. HCI or HCI...
4. (15 Points) Pericyclic Reactions: The transformation below can be described as a pericyclic reaction followed by a polar-acidic mechanism, where the acid is not shown because it is picked up from the environment. (a) Start by redrawing the starting material below, and show how the pericyclic reaction occurs with curved arrows. (b) Specify the type of pericyclic reaction it represents and the name reaction. (c) If you've done the pericyclic reaction correctly, your product will be an enol. From...
42. What is the type of reaction that takes place when the below aldehyde reacts with Benedict's solution? Draw the product. (4 marks) H 43. Identify from propane and ethanamide which has the higher melting point. Explain. (4 marks) 44. Draw the product of the Base hydrolysis of the given ester. (3 marks) + H3C- -CH3 KOH
Devise the most efficient synthesis for the carboxylic acid
below using a starting material and reagents from the tables. Give
your route by specifying the number of the starting material
followed by the letters of the reagents you would use beginning
with the first step.
The answer 4fh means treat t-butanol(4)
with conc. HCl(f) then treat the product with KOH in
alcohol(h).
please write legible and circle answer
OH rting materials Br Br ve tor OH нс 3 OH Он...
la) Consider the mixed aldol condensation reaction of 1-methylcyclopentane-1-carbaldehyde (shown below) and 3,3-dimethyl-2-butanone (shown below) in the presence of sodium hydroxide Provide the expected major MIXED aldol condensation product for this reaction (can exist as E or Z isomer so you can draw either) b) Would you have to heat the reaction mixture in order for the reaction to form the aldol condensation product? Why or wh y not? 2) Consider the mixed aldol condensation reaction of 3,3-dimethyl-2-butanone (shown in...
Which statements listed below can explain why a chemical reaction does not take place? concentration of reactants is too low the temperature is too low not enough effective collisions are occurring some of these answers all of these answers For a chemical reaction the rate of the forward reaction is at a maximum when when the concentration of the reactants and products is the same a state of equilibrium is reached the reaction begins the concentration of products is greater...
please help me with questions from 3-10! and the bonus.
thank you so much
Directions: Place your answers to the following questions in the provided spaces. (12 PTS) 1. What is the hybridization of the carbon atoms numbered 1 and 2 respectively in the following structure? -CU CECH A. B sp,sp? sp, sp sp, sp sp', sp sp, sp Ans. 2. What is the IUPAC name for the molecule shown below? os B. C. D. E. (E)-5-methyl-5-hepten-1-yne (2)-5-methyl-5-hepten-1-yne (E)-3-methyl-2-hepten-6-yne (2)-3-methyl-2-hepten-6-yne...
please help me with Organic Chemistry/Alkynes. Thank you!
Directions: Place your answers to the following questions in the provided spaces. (12 PTS) 1. What is the hybridization of the carbon atoms numbered 1 and 2 respectively in the following structure? -CI CECH A. B sp,sp? sp?sp? sp, sp sp, sp sp, sp E. Ans. - 2. What is the IUPAC name for the molecule shown below? 6b А. B. (E)-5-methyl-5-hepten-1-yne (2)-5-methyl-5-hepten-1-yne (E)-3-methyl-2-hepten-6-yne (2)-3-methyl-2-hepten-6-yne (E)-2-butynyl-2-butene E. Ans. Select the best explanation...
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