Methyl acetate to 2-Methyl-2-propanol can be done using the following reaction in _________sequence A. Grignard reaction...
Methyl acetate to 2-Methyl-2-propanol can be done using the following reaction in _________sequence
A. Grignard reaction with methyl magnesium bromide
B. Reduction with NaBH4
C. Hydroboration Oxidation
D. Ozonolysis
E. Reduction with DIBAH
Homework Answers
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Methyl acetate to 2-Methyl-2-propanol can be done using the
following reaction in _________sequence
A. Grignard reaction...
Use retrosynthetic analysis to suggest two paths to synthesize 2-methyl-1-phenyl-1-propanol using the Grignard reaction.
Use retrosynthetic analysis to suggest two paths to synthesize 2-methyl-1-phenyl-1-propanol using the Grignard reaction.
1. Write equations for the reaction of 2-methyl propane-1- magnesium bromide with acetaldehyde include the hydrolysis...
1. Write equations for the reaction of 2-methyl propane-1- magnesium bromide with acetaldehyde include the hydrolysis of the reaction mixture with dilute acid. B) Why should anhydrous diethyl ether be used rather than regular solvent grade diethyl ether to prepare the solution of benzaldehyde that is added to the Grignard reagent, 2- methyl propane-1- magnesium bromide? C) By drawing the structure indicate the polarity (charge separation) of the bond between carbon and bromine in 1-bromo-2-methyl propane. Is 1-bromo-2-methyl propane electrophile...
DS-Chupane 13) 13) Which of the following cannot be made by the reduction of a ketone...
DS-Chupane 13) 13) Which of the following cannot be made by the reduction of a ketone or aldehyde with NaBH in methanol A) 2-methyl-2-propanol 3) 1-butanol 2-methyl-1-propanol D) 2-butanol 14) Which of the following reagents would react with a primary alcohol to produce an aldehyde as the final product? A) PCC B) H2SO4 CH2C04 D) CH3MgBr, followed by HCI 15) Which one of the following is not oxidized by K2Cr2O7 in H2SO4/H1207 A) isobutyl alcohol B) butyl alcohol C ebutyl...
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....
How to synthesize 2-methyl-1-phenyl-1-propanol Use retrosynthetic analysis to suggest two paths to synthesize 2-methy...
How to synthesize 2-methyl-1-phenyl-1-propanol
Use retrosynthetic analysis to suggest two paths to synthesize 2-methyl-1phenyl- 1-propanol using the Grignard reaction. (Click and drag the appropriate image to the correct position in the following reactions.)
4) " The reaction of a Grignard reagent with a solvent ench as water or an...
4) " The reaction of a Grignard reagent with a solvent ench as water or an alcohol produces which of the following? A) tertiary alcohol B) alkane C) primary alcohol D) secondary alcohol 5) 5) The reaction of phenylmagnesium bromide (C6H5MgBr) with propanal (CH3CH2CH=0), followed by hydrolysis yields. Draw the structure of the product. A) 1-phenyl-1-propanol. B) 3-phenyl-1-propanol. C) 2-phenyl-2-propanol. D) 2-phenyl-1-propanol. 6) What is the product of the following reaction? (2) H30+ OH CA CA D C BD S...
only question # 2 a. using anhydrous ether b. not rinsing glassware with acetone before the...
only question # 2
a. using anhydrous ether b. not rinsing glassware with acetone before the experiment c. using magnesium filings instead of "chunk" magnesium d. initiating the reaction in a test tube e. using an ammonium chloride/hydrochloric acid mixture to acidity the reaction mixture instead of using concentrated sulfuric acid. 2. Give the products of the reaction of methylmagnesium chloride with a. acetaldehyde me mac b. acetone c. ethyl acetate (1 equivalent per Grignard) d. ethyl acetate (2 equivalents...
PhenyInaphthalene, shown below, can be prepared in over 80% yield by one of the reactions below....
PhenyInaphthalene, shown below, can be prepared in over 80% yield by one of the reactions below. Which one? Which of the following are intermediates in the reaction of excess methyl magnesium bromide with ethyl benzoate (shown below) to make 2- phenyl - 2 -propanol? Write the mechanism for the reaction of excess of the Grignard reagent with the ethyl benzoate.
Q5: How will you convert the following? (0.5 mark each) a) Acetone to 2-methyl-2-propanol b) Acetone...
Q5: How will you convert the following? (0.5 mark each) a) Acetone to 2-methyl-2-propanol b) Acetone to 2-propanol c) Acetaldehyde to acetic acid d) Formaldehyde to 1-propanol e) Acetaldehyde to 2-butanol 1) Draw the structure of the following molecules i. Phenyl benzoate ii. Propanoic anhydride iii. Isopropyl acetate iv. 3-formylcyclopentane carboxylic acid v. 2,2-dimethylbutane dioic acid
A Grignard reaction was performed using the following steps: Step 1: Addition of Grignard Reagent: Phenyl...
A Grignard reaction was performed using the following steps: Step 1: Addition of Grignard Reagent: Phenyl Magnesium Bromide a solution of phenyl magnesium bromide (2.7 mL of a 3.0 M solution in anhydrous diethyl ether) and 5 mL of anhydrous diethyl ether was dispensed into the round-bottom flask and stirred with a stir bar. Step 2: Addition Formation: Reaction with Benzophenone A solution of 0.72 g (mp = 48-49 degrees C) of benzophenone and 2.0 mL of anhydrous diethyl ether...
Use retrosynthetic analysis to suggest two paths to synthesize 2-methyl-1-phenyl-1-propanol using the Grignard reaction.
1. Write equations for the reaction of 2-methyl propane-1- magnesium bromide with acetaldehyde include the hydrolysis of the reaction mixture with dilute acid. B) Why should anhydrous diethyl ether be used rather than regular solvent grade diethyl ether to prepare the solution of benzaldehyde that is added to the Grignard reagent, 2- methyl propane-1- magnesium bromide? C) By drawing the structure indicate the polarity (charge separation) of the bond between carbon and bromine in 1-bromo-2-methyl propane. Is 1-bromo-2-methyl propane electrophile...
DS-Chupane 13) 13) Which of the following cannot be made by the reduction of a ketone or aldehyde with NaBH in methanol A) 2-methyl-2-propanol 3) 1-butanol 2-methyl-1-propanol D) 2-butanol 14) Which of the following reagents would react with a primary alcohol to produce an aldehyde as the final product? A) PCC B) H2SO4 CH2C04 D) CH3MgBr, followed by HCI 15) Which one of the following is not oxidized by K2Cr2O7 in H2SO4/H1207 A) isobutyl alcohol B) butyl alcohol C ebutyl...
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....
How to synthesize 2-methyl-1-phenyl-1-propanol
Use retrosynthetic analysis to suggest two paths to synthesize 2-methyl-1phenyl- 1-propanol using the Grignard reaction. (Click and drag the appropriate image to the correct position in the following reactions.)
4) " The reaction of a Grignard reagent with a solvent ench as water or an alcohol produces which of the following? A) tertiary alcohol B) alkane C) primary alcohol D) secondary alcohol 5) 5) The reaction of phenylmagnesium bromide (C6H5MgBr) with propanal (CH3CH2CH=0), followed by hydrolysis yields. Draw the structure of the product. A) 1-phenyl-1-propanol. B) 3-phenyl-1-propanol. C) 2-phenyl-2-propanol. D) 2-phenyl-1-propanol. 6) What is the product of the following reaction? (2) H30+ OH CA CA D C BD S...
only question # 2
a. using anhydrous ether b. not rinsing glassware with acetone before the experiment c. using magnesium filings instead of "chunk" magnesium d. initiating the reaction in a test tube e. using an ammonium chloride/hydrochloric acid mixture to acidity the reaction mixture instead of using concentrated sulfuric acid. 2. Give the products of the reaction of methylmagnesium chloride with a. acetaldehyde me mac b. acetone c. ethyl acetate (1 equivalent per Grignard) d. ethyl acetate (2 equivalents...
PhenyInaphthalene, shown below, can be prepared in over 80% yield by one of the reactions below. Which one? Which of the following are intermediates in the reaction of excess methyl magnesium bromide with ethyl benzoate (shown below) to make 2- phenyl - 2 -propanol? Write the mechanism for the reaction of excess of the Grignard reagent with the ethyl benzoate.
Q5: How will you convert the following? (0.5 mark each) a) Acetone to 2-methyl-2-propanol b) Acetone to 2-propanol c) Acetaldehyde to acetic acid d) Formaldehyde to 1-propanol e) Acetaldehyde to 2-butanol 1) Draw the structure of the following molecules i. Phenyl benzoate ii. Propanoic anhydride iii. Isopropyl acetate iv. 3-formylcyclopentane carboxylic acid v. 2,2-dimethylbutane dioic acid
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