Reaction A: Resorcinol + Phthalic Anhydride ---(H2SO4)---> Fluorescein (2) C6H6O2 + C8H4O3 ---(H2SO4)---> C20H12O5 Reaction...
Reaction A: Resorcinol + Phthalic Anhydride ---(H2SO4)---> Fluorescein
(2) C6H6O2 + C8H4O3 ---(H2SO4)---> C20H12O5
Reaction B: 3-(dimethylamino)-phenol + Phthalic Anhydride ---(H2SO4)--> Rhodamine B
(2) C8H11NO + C8H4O3 ---(H2SO4)---> C28H31ClN2O3
This reaction involves two subsequent Friedel-Crafts acylation reactions. What is the structure of the intermediate after the first Friedel-Crafts reaction?
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Reaction A: Resorcinol + Phthalic Anhydride ---(H2SO4)--->
Fluorescein
(2) C6H6O2 + C8H4O3 ---(H2SO4)---> C20H12O5
Reaction...
EvEvv All I AaBbccdee AaBbCcDdfe Aa BbCcDc AaBbCcDdE Aa BbCcDc irau MIII Normal No Spacing Heading...
EvEvv All I AaBbccdee AaBbCcDdfe Aa BbCcDc AaBbCcDdE Aa BbCcDc irau MIII Normal No Spacing Heading 1 Heading 2 Title H2SO4 (catalytic) heat 2 + OH attack ortho to OH & para to X xanthene type dye: X = OH (fluorescein) X = N(CH2CH3)2 (rhodamine B) This reaction involves two subsequent Friedel-Crafts acylation reactions. What is the structure of the intermediate after the first Friedel-Crafts reaction? (6 pts.) 1
Reaction A Xanthene Dye Resorcinol = 0.159 g Phthalic anhydride = 0.103 g Final weight =...
Reaction A Xanthene Dye Resorcinol = 0.159 g Phthalic anhydride = 0.103 g Final weight = 0.173 g Amount used for UV = 3 mg Reaction B 3-(diethylamino)-phenol Phthalic anhydride = 0.102 g 3- (diethylamino)-phenol: 0. 230 g Final weight: 0.245 g Amount used for UV: 3 mg 1. Draw the exact stoichiometric reactions for each. 2. What is the theoretical weight expected for your dye synthesis?
please help! the final products woukd bw fluorescein for one and rhodamine for the other (2...
please help!
the final products woukd bw fluorescein for one and rhodamine
for the other (2 different outcome but still the same method)
B: 7) Mechanistically show how the following compound can be converted to the final product. (8 pts.) (Hint: It is related to one of your previous experiments this semester.) OH COOH X = OH or NET ators. They are often fluorescent and have been used corneal abrasions, as antibacterials and anticancer by a Friedel-Crafts acylation reaction. Friedel-Crafts...
R2 - HOMOGENEOUS REACTOR (THE HYDROLYSIS OF PHTHALIC ANHYDRIDE) The following hydrolysis of phthalic anhydride (PAN)...
R2 - HOMOGENEOUS REACTOR (THE HYDROLYSIS OF PHTHALIC ANHYDRIDE) The following hydrolysis of phthalic anhydride (PAN) to phthalic acid (PA) reaction takes place in a batch homogeneous reactor. PAN + H20 - PA Two sets of experiments are carried out at 30 and 35°C with the same initial phthalic anhydride concentration. The reaction rate is first order with respect to PAN. The data obtained from the experimental results are given below; Temperature Phthalic Acid (°C) (min) Concentration (mol/liter) Time 30...
Phenolphthalein is synthesized by the acid-catalyzed reaction of phthalic anhydride with 2 equivalents of phenol. Propose...
Phenolphthalein is synthesized by the acid-catalyzed reaction of
phthalic anhydride with 2 equivalents of phenol. Propose and
illustrate a mechanism for the reaction in the presence of sulfuric
acid and heat.
OH
What is the friedel-crafts acylation mechaism of this reaction? the copieu daits ric acid decomposes Scheme...
What is the friedel-crafts acylation mechaism of this
reaction?
the copieu daits ric acid decomposes Scheme 15.2 AICl CH3 CH3 2 AICI3 -HCI CH3 CH2 AICI2 14 12 Phthalic anhydride 13 m-Xylene H2O/HCI CH3 CO H 15 2-(2,4' -Dimethylbenzoyl)benzoic acid
To answer questions 1 and 2 consider the reaction shown below HNO3-H2SO4 1. The product will...
To answer questions 1 and 2 consider the reaction shown below HNO3-H2SO4 1. The product will have the nitro group on carbon atom marked as (3 points) HNO3-H2SO4 0= 2. Provide a brief explanation as to why you chose the location of the nitro group in problem 1 (2 points) To answer questions 3, 4 and 5 consider the transformation shown below ????? 3-Chlorobutylbenzene Assume all essential reagents are available to you 3. Provide the structure of 3-chlorobutylbenzene (2 points)...
Friedel-Crafts Acylation of Ferrocene "riedel-Crafts reactions are examples of electrophilic aromatic substitution reactions. The eaction involves...
Friedel-Crafts Acylation of Ferrocene "riedel-Crafts reactions are examples of electrophilic aromatic substitution reactions. The eaction involves the substitution of hydrogen on the aromatic ring system by an electrophilic arbon species forming a new carbon-carbon bond. Friedel-Crafts reactions may be used to ntroduce either an alkyl or acyl group. Ferrocene does not undergo addition reactions typical of cyclopentadiene, but undergoes Electrophilic aromatic substitution. The Friedel-Crafts acylation reaction of ferrocene involves he addition of the acylium cation to one of the carbon...
- Give the name of the product that results after the following two reactions are completed...
- Give the name of the product that results after the following two reactions are completed on benzene (use o-, m-, p- nomenclature): 1. Mix with a mixture of nitric and sulfuric acids 2. Mix with bromine in the presence of iron tribromide - Which of the following reactions would you use to prepare toluene from benzene? Select one: a. Nitration b. Friedel-Crafts Alkylation reaction c. Friedel-Crafts Acylation reaction d. Halogenation
PLEASE ANSWER ALL QUESTIONS 41) Provide the major organic product of the following reaction. Bry, FeBry...
PLEASE ANSWER ALL QUESTIONS
41) Provide the major organic product of the following reaction. Bry, FeBry 42) Provide the major organic product that results when benzene is treated with the following sequence of reagents: 1. HNO3, H2SO4 2. Br2, FeBr3. Answer: NO2 43) Explain why Friedel-Crafts alkylation reactions are prone to poly alkylation, whereas Friedel- Crafts acylation reactions are not prone to polyacylation? 44) Which series of reagents would be required to perform the following synthesis? A) 1. CICH2CH2CH3, AICI;...
EvEvv All I AaBbccdee AaBbCcDdfe Aa BbCcDc AaBbCcDdE Aa BbCcDc irau MIII Normal No Spacing Heading 1 Heading 2 Title H2SO4 (catalytic) heat 2 + OH attack ortho to OH & para to X xanthene type dye: X = OH (fluorescein) X = N(CH2CH3)2 (rhodamine B) This reaction involves two subsequent Friedel-Crafts acylation reactions. What is the structure of the intermediate after the first Friedel-Crafts reaction? (6 pts.) 1
please help!
the final products woukd bw fluorescein for one and rhodamine
for the other (2 different outcome but still the same method)
B: 7) Mechanistically show how the following compound can be converted to the final product. (8 pts.) (Hint: It is related to one of your previous experiments this semester.) OH COOH X = OH or NET ators. They are often fluorescent and have been used corneal abrasions, as antibacterials and anticancer by a Friedel-Crafts acylation reaction. Friedel-Crafts...
R2 - HOMOGENEOUS REACTOR (THE HYDROLYSIS OF PHTHALIC ANHYDRIDE) The following hydrolysis of phthalic anhydride (PAN) to phthalic acid (PA) reaction takes place in a batch homogeneous reactor. PAN + H20 - PA Two sets of experiments are carried out at 30 and 35°C with the same initial phthalic anhydride concentration. The reaction rate is first order with respect to PAN. The data obtained from the experimental results are given below; Temperature Phthalic Acid (°C) (min) Concentration (mol/liter) Time 30...
Phenolphthalein is synthesized by the acid-catalyzed reaction of
phthalic anhydride with 2 equivalents of phenol. Propose and
illustrate a mechanism for the reaction in the presence of sulfuric
acid and heat.
OH
What is the friedel-crafts acylation mechaism of this
reaction?
the copieu daits ric acid decomposes Scheme 15.2 AICl CH3 CH3 2 AICI3 -HCI CH3 CH2 AICI2 14 12 Phthalic anhydride 13 m-Xylene H2O/HCI CH3 CO H 15 2-(2,4' -Dimethylbenzoyl)benzoic acid
To answer questions 1 and 2 consider the reaction shown below HNO3-H2SO4 1. The product will have the nitro group on carbon atom marked as (3 points) HNO3-H2SO4 0= 2. Provide a brief explanation as to why you chose the location of the nitro group in problem 1 (2 points) To answer questions 3, 4 and 5 consider the transformation shown below ????? 3-Chlorobutylbenzene Assume all essential reagents are available to you 3. Provide the structure of 3-chlorobutylbenzene (2 points)...
Friedel-Crafts Acylation of Ferrocene "riedel-Crafts reactions are examples of electrophilic aromatic substitution reactions. The eaction involves the substitution of hydrogen on the aromatic ring system by an electrophilic arbon species forming a new carbon-carbon bond. Friedel-Crafts reactions may be used to ntroduce either an alkyl or acyl group. Ferrocene does not undergo addition reactions typical of cyclopentadiene, but undergoes Electrophilic aromatic substitution. The Friedel-Crafts acylation reaction of ferrocene involves he addition of the acylium cation to one of the carbon...
PLEASE ANSWER ALL QUESTIONS
41) Provide the major organic product of the following reaction. Bry, FeBry 42) Provide the major organic product that results when benzene is treated with the following sequence of reagents: 1. HNO3, H2SO4 2. Br2, FeBr3. Answer: NO2 43) Explain why Friedel-Crafts alkylation reactions are prone to poly alkylation, whereas Friedel- Crafts acylation reactions are not prone to polyacylation? 44) Which series of reagents would be required to perform the following synthesis? A) 1. CICH2CH2CH3, AICI;...
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