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Why does the following reaction use 2 equivalents of amine? 2@g CHANH. Products??? The first equivalent...
uestion 35 3 points What is the role of H2SO4 in the following reaction? H2SO4 OH...
uestion 35 3 points What is the role of H2SO4 in the following reaction? H2SO4 OH OH It is a base catalyst that deprotonates the carboxylic acid making it more nucleophilic. Its an acid catalyst that protonates the alcohol O making the alcohol more electrophilic. It is an acid catalyst that protonates the carbonyl oxygen making the carbonyl carbon more electrophilic It is a base catalyst that deprotonates the alcohol to make it more nucleophilic.
Draw the structures of the organic products in each reaction of the following two-step synthesis. (Hint:...
Draw the structures of the organic products in each reaction of the
following two-step synthesis. (Hint:
The nucleophilic amine attacks the electrophilic carbonyl carbon,
and the resulting intermediate undergoes a proton shift and
dehydration. Recall what is eliminated in a dehydration process.
The second step is a reduction reaction; the reducing agent is
NaBH3CN (or H2, metal catalyst). The aromatic ring is unaffected by
these reagents. Look at the product of the first reaction and
consider what can be easily...
Draw the structures of the organic products in each reaction of the following two-step synthesis. (Hint: The nucleo...
Draw the structures of the organic products in each reaction of the
following two-step synthesis. (Hint:
The nucleophilic amine attacks the electrophilic carbonyl carbon,
and the resulting intermediate undergoes a proton shift and
dehydration. Recall what is eliminated in a dehydration process.
The second step is a reduction reaction; the reducing agent is
NaBH3CN (or H2, metal catalyst). The aromatic ring is unaffected by
these reagents. Look at the product of the first reaction and
consider what can be easily...
For the following reaction, which statement best describes the first step? Br2 CH3 Products??? CH3COOH One...
For the following reaction, which statement best describes the first step? Br2 CH3 Products??? CH3COOH One of the pi bonds of benzene will attack bromine via a nucleophilic attack One of the pi bonds of benzene will attack bromine via an electrophilic attack The lone pair of oxygen will attack the bromine via a nucleophilic attack The lone pair of oxygen will attack the bromine via an electrophilic attack One of the pi bonds of benzene will attack CH3COOH via...
1. 2. JUST DRAW ARROWS... (CH3)2Culi + CH3Cu Ph CI Ph CH3 The ketone intermediate formed...
1.
2.
JUST DRAW ARROWS...
(CH3)2Culi + CH3Cu Ph CI Ph CH3 The ketone intermediate formed in the reaction of an acid chloride with a Grignard reagent cannot be isolated because it reacts too rapidly with the second equivalent of Grignard reagent. To produce a ketone from an acid chloride, one can treat the acid chloride with a lithium dialkylcopper reagent. The reaction occurs by nucleophilic acyl substitution on the acid chloride by the dialkylcopper anion to yield an acyl...
What is the correct name for the following compound? d) 5-oxo-3-octenoic acid What is the defining...
What is the correct name for the following compound? d) 5-oxo-3-octenoic acid What is the defining functional group of a carboxylic acid? a) an-H attached to a carbonyl group b) an-H attached to a carbon-carbon triple bond c) an-OH attached to a carbonyl group d) an -OH group attached to a O-C double bond e) an-OH group attached to an aromatic ring To convert a carboxylic acid to an aldehyde a) convert the acid to an acid chloride, then use...
Grignard reagent THE GRIGNARD REAGENT-PREPARATION AND REACTION In this experiment, you will prepa...
i need help with the prelab questions please
Grignard reagent THE GRIGNARD REAGENT-PREPARATION AND REACTION In this experiment, you will prepare a Grignard reagent, phenyl magnesium bromide, from bromobenzene and magnesium metal. The Grignard reagent will then react with methyl benzoate to form triphenylmethanol. Introduction Grignard reagents, such as organomagnesium halides, were discovered in 1910 by French chemist Victor Grignard. The Grignard reaction is one of the most general methods for carbon- carbon bond formation in all of organic chemistry....
Grignard reagent THE GRIGNARD REAGENT-PREPARATION AND REACTION In this experiment, you will prepa...
i need help with the postlab questions please
Grignard reagent THE GRIGNARD REAGENT-PREPARATION AND REACTION In this experiment, you will prepare a Grignard reagent, phenyl magnesium bromide, from bromobenzene and magnesium metal. The Grignard reagent will then react with methyl benzoate to form triphenylmethanol. Introduction Grignard reagents, such as organomagnesium halides, were discovered in 1910 by French chemist Victor Grignard. The Grignard reaction is one of the most general methods for carbon- carbon bond formation in all of organic chemistry....
Grignard Reaction with a Ketone: Triphenylmethanol Introduction: The purpose of this lab is to prepare phenylmagnesium...
Grignard Reaction with a Ketone: Triphenylmethanol Introduction: The purpose of this lab is to prepare phenylmagnesium bromide, a Grignard reagent, and react it with benzophenone to give triphenylmethanol. Grignard reagents are very reactive and must be synthesized in an environment free of water or any other source of potential proton donor. Once made, the Grignard reagent will do a nucleophilic attack on the carbonyl carbon of the ketone, benzophenone. The result is an alkoxide that is then protonated to give...
uestion 35 3 points What is the role of H2SO4 in the following reaction? H2SO4 OH OH It is a base catalyst that deprotonates the carboxylic acid making it more nucleophilic. Its an acid catalyst that protonates the alcohol O making the alcohol more electrophilic. It is an acid catalyst that protonates the carbonyl oxygen making the carbonyl carbon more electrophilic It is a base catalyst that deprotonates the alcohol to make it more nucleophilic.
Draw the structures of the organic products in each reaction of the
following two-step synthesis. (Hint:
The nucleophilic amine attacks the electrophilic carbonyl carbon,
and the resulting intermediate undergoes a proton shift and
dehydration. Recall what is eliminated in a dehydration process.
The second step is a reduction reaction; the reducing agent is
NaBH3CN (or H2, metal catalyst). The aromatic ring is unaffected by
these reagents. Look at the product of the first reaction and
consider what can be easily...
Draw the structures of the organic products in each reaction of the
following two-step synthesis. (Hint:
The nucleophilic amine attacks the electrophilic carbonyl carbon,
and the resulting intermediate undergoes a proton shift and
dehydration. Recall what is eliminated in a dehydration process.
The second step is a reduction reaction; the reducing agent is
NaBH3CN (or H2, metal catalyst). The aromatic ring is unaffected by
these reagents. Look at the product of the first reaction and
consider what can be easily...
For the following reaction, which statement best describes the first step? Br2 CH3 Products??? CH3COOH One of the pi bonds of benzene will attack bromine via a nucleophilic attack One of the pi bonds of benzene will attack bromine via an electrophilic attack The lone pair of oxygen will attack the bromine via a nucleophilic attack The lone pair of oxygen will attack the bromine via an electrophilic attack One of the pi bonds of benzene will attack CH3COOH via...
1.
2.
JUST DRAW ARROWS...
(CH3)2Culi + CH3Cu Ph CI Ph CH3 The ketone intermediate formed in the reaction of an acid chloride with a Grignard reagent cannot be isolated because it reacts too rapidly with the second equivalent of Grignard reagent. To produce a ketone from an acid chloride, one can treat the acid chloride with a lithium dialkylcopper reagent. The reaction occurs by nucleophilic acyl substitution on the acid chloride by the dialkylcopper anion to yield an acyl...
What is the correct name for the following compound? d) 5-oxo-3-octenoic acid What is the defining functional group of a carboxylic acid? a) an-H attached to a carbonyl group b) an-H attached to a carbon-carbon triple bond c) an-OH attached to a carbonyl group d) an -OH group attached to a O-C double bond e) an-OH group attached to an aromatic ring To convert a carboxylic acid to an aldehyde a) convert the acid to an acid chloride, then use...
i need help with the prelab questions please
Grignard reagent THE GRIGNARD REAGENT-PREPARATION AND REACTION In this experiment, you will prepare a Grignard reagent, phenyl magnesium bromide, from bromobenzene and magnesium metal. The Grignard reagent will then react with methyl benzoate to form triphenylmethanol. Introduction Grignard reagents, such as organomagnesium halides, were discovered in 1910 by French chemist Victor Grignard. The Grignard reaction is one of the most general methods for carbon- carbon bond formation in all of organic chemistry....
i need help with the postlab questions please
Grignard reagent THE GRIGNARD REAGENT-PREPARATION AND REACTION In this experiment, you will prepare a Grignard reagent, phenyl magnesium bromide, from bromobenzene and magnesium metal. The Grignard reagent will then react with methyl benzoate to form triphenylmethanol. Introduction Grignard reagents, such as organomagnesium halides, were discovered in 1910 by French chemist Victor Grignard. The Grignard reaction is one of the most general methods for carbon- carbon bond formation in all of organic chemistry....
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