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PART B 1. p-Toluidine (4-methylaniline) can be readily converted into the five compounds shown below from...
p-Toluidine (4-methylaniline) can be readily converted into the five compounds shown below from a common intermediate....
p-Toluidine (4-methylaniline) can be readily converted into the five compounds shown below from a common intermediate. Indicate the structure of the intermediate and the reagents required for these transformations Br NH2 CN ОН Using resonance contributors for the intermediate carbocation, explain why a phenyl group is an ortho-para director FeCl. Cl2 + Cl
Benzene can be converted to 1,3,5-tribromobenzene in five reaction steps and four intermediate compounds. Select the...
Benzene can be converted to 1,3,5-tribromobenzene in five
reaction steps and four intermediate compounds. Select the
appropriate reagent from the drop-down list for each step in this
overall synthesis. (All drop down menus have the same
reagants).
Benzene can be converted to 1,3,5-tribromobenzene in five reaction steps and four intermediate compounds. Select the appropriate reagent from the drop-down list for each step in this overall synthesis. Step 1 Step 2 Step 3 Step 4 Step 5 Br Br Br Reagents...
Benzene can be converted to 1,3,5-tribromobenzene in five reaction steps and four intermediate compounds. Select the...
Benzene can be converted to 1,3,5-tribromobenzene in five
reaction steps and four intermediate compounds. Select the
appropriate reagent from the drop-down list for each step in this
overall synthesis.
Step 1=?
Step 2=?
Step 3=?
Step 4=?
Step 5=?
Options for each step:
Br2, R2O2
CH3Cl, AlCl3
CH3COCl, AlCl3
NaNO2, HCl
HNO3, H2SO4
H3PO2
H3PO4
KMnO4
1) Sn, HCl; 2)OH-
Br2
Benzene can be converted to 1,3,5-tribromobenzene in five reaction steps and four intermediate compounds. Select the appropriate reagent from...
a) Which products (shown above) from reaction 3 can react with HCl in an acid-base reaction?...
a) Which products (shown above) from reaction 3 can react with
HCl in an acid-base reaction? Show the mechanism for this acid-base
reaction and give the structures that would result from the
protonation of these products. Which phase (organic or aqueous)
would these protonated products be soluble in?
b) Which phase (organic or aqueous) would the
p-methylacetanilide be found in?
In step 5 of reaction 3, the reaction mixture containing the products shown below in ethyl acetate is extracted twice...
11. The TLC shown below was taken in step 4 of the procedure for reaction 3:...
11. The TLC shown below was taken in step 4 of the procedure for reaction 3: . . . SM=0,m,p-methylaniline Co= Co-Spot RM= Reaction Mixture - . : SM CO RM a) Which spot is likely the para isomer of methylaniline? How could you tell? (2 points) b) Which spot is likely the acetylated para product (p-methylacetanilide)? How can you tell? (2 points) c) Keeping in mind we are only trying to acetylate the para isomer of methylaniline, is the...
a) Which products (shown above) from reaction 3 can react with HCl in an acid-base reaction?...
a) Which products (shown above) from reaction 3 can react with
HCl in an acid-base reaction? Show the mechanism for this acid-base
reaction and give the structures that would result from the
protonation of these products. Which phase (organic or aqueous)
would these protonated products be soluble in?
b) Which phase (organic or aqueous) would the
p-methylacetanilide be found in?
c) Why did we have to use hot ethanol for the
recrystallization?
d) Why did we have to cool the...
4 (b) Some of the compounds below may carbocation. Please draw the structures of the carbocations...
4 (b) Some of the compounds below may carbocation. Please draw the structures of the carbocations that are formed. α undergo loss of the tooylane pop o form reaction" if no carbocation can be formed. If a carbocation consists of madiple res structure, draw two resonance structures. Also indicate which carbocation is the stable one. (20 points) NH2
70. What sequence of reagents can be used to make the following compounds from benzene? A)...
70. What sequence of reagents can be used to make the following compounds from benzene? A) m-butylbenzoic acid B) p-butylbenzenesulfonic Show mechanism. www wwww wwwww w Section: 18-16 71. Provide a series of synthetic steps by which can 2-bromo-4-nitrobenzoic acid be prepared from toluene. Show mechanism. Section: 18-16 72. Fill in the empty boxes Br СHCH CH3COCI 1 AICI3 NBS peroxide heat 2. H2о 73. Fill in the empty boxes. N2 CI NH2 1.Mg 2. CH3OH CUBR НС heat
4. Consider the following 'soup" ONCE and you must only use compounds from the "soup" below...
4. Consider the following 'soup" ONCE and you must only use compounds from the "soup" below in your answers. p of compounds and answer the questions. You may use each of the compounds ONLY and answer он OH но NH2 pKa = 50 pK-35 田 !SbFe NH4CI но NaOH pKa = 25 pK,-20 pka 16 a. Circle in the strongest Brensted acid and draw a box around the strongest Brønsted base. b. Select a pair of compounds that will REACT...
a. Provide the IUPAC name of the molecule shown below. (4 points) b. Circle all achiral...
a. Provide the IUPAC name of the molecule shown below. (4 points) b. Circle all achiral (meso) compounds below. (4 points) OH COH HOZC OH c. Draw the structure of the compound based on its IUPAC name. (4 points) d. Of the cations below, circle any that are achiral. (4 points) OAC Hg ΤΗ (E)-4-ethyl-3-fluorohept-3-ene e. Provide the IUPAC name of the molecule shown below. (4 points) f Rank the following cations from least stable to most stable. (3 points)...
p-Toluidine (4-methylaniline) can be readily converted into the five compounds shown below from a common intermediate. Indicate the structure of the intermediate and the reagents required for these transformations Br NH2 CN ОН Using resonance contributors for the intermediate carbocation, explain why a phenyl group is an ortho-para director FeCl. Cl2 + Cl
Benzene can be converted to 1,3,5-tribromobenzene in five
reaction steps and four intermediate compounds. Select the
appropriate reagent from the drop-down list for each step in this
overall synthesis. (All drop down menus have the same
reagants).
Benzene can be converted to 1,3,5-tribromobenzene in five reaction steps and four intermediate compounds. Select the appropriate reagent from the drop-down list for each step in this overall synthesis. Step 1 Step 2 Step 3 Step 4 Step 5 Br Br Br Reagents...
Benzene can be converted to 1,3,5-tribromobenzene in five
reaction steps and four intermediate compounds. Select the
appropriate reagent from the drop-down list for each step in this
overall synthesis.
Step 1=?
Step 2=?
Step 3=?
Step 4=?
Step 5=?
Options for each step:
Br2, R2O2
CH3Cl, AlCl3
CH3COCl, AlCl3
NaNO2, HCl
HNO3, H2SO4
H3PO2
H3PO4
KMnO4
1) Sn, HCl; 2)OH-
Br2
Benzene can be converted to 1,3,5-tribromobenzene in five reaction steps and four intermediate compounds. Select the appropriate reagent from...
a) Which products (shown above) from reaction 3 can react with
HCl in an acid-base reaction? Show the mechanism for this acid-base
reaction and give the structures that would result from the
protonation of these products. Which phase (organic or aqueous)
would these protonated products be soluble in?
b) Which phase (organic or aqueous) would the
p-methylacetanilide be found in?
In step 5 of reaction 3, the reaction mixture containing the products shown below in ethyl acetate is extracted twice...
11. The TLC shown below was taken in step 4 of the procedure for reaction 3: . . . SM=0,m,p-methylaniline Co= Co-Spot RM= Reaction Mixture - . : SM CO RM a) Which spot is likely the para isomer of methylaniline? How could you tell? (2 points) b) Which spot is likely the acetylated para product (p-methylacetanilide)? How can you tell? (2 points) c) Keeping in mind we are only trying to acetylate the para isomer of methylaniline, is the...
a) Which products (shown above) from reaction 3 can react with
HCl in an acid-base reaction? Show the mechanism for this acid-base
reaction and give the structures that would result from the
protonation of these products. Which phase (organic or aqueous)
would these protonated products be soluble in?
b) Which phase (organic or aqueous) would the
p-methylacetanilide be found in?
c) Why did we have to use hot ethanol for the
recrystallization?
d) Why did we have to cool the...
4 (b) Some of the compounds below may carbocation. Please draw the structures of the carbocations that are formed. α undergo loss of the tooylane pop o form reaction" if no carbocation can be formed. If a carbocation consists of madiple res structure, draw two resonance structures. Also indicate which carbocation is the stable one. (20 points) NH2
70. What sequence of reagents can be used to make the following compounds from benzene? A) m-butylbenzoic acid B) p-butylbenzenesulfonic Show mechanism. www wwww wwwww w Section: 18-16 71. Provide a series of synthetic steps by which can 2-bromo-4-nitrobenzoic acid be prepared from toluene. Show mechanism. Section: 18-16 72. Fill in the empty boxes Br СHCH CH3COCI 1 AICI3 NBS peroxide heat 2. H2о 73. Fill in the empty boxes. N2 CI NH2 1.Mg 2. CH3OH CUBR НС heat
4. Consider the following 'soup" ONCE and you must only use compounds from the "soup" below in your answers. p of compounds and answer the questions. You may use each of the compounds ONLY and answer он OH но NH2 pKa = 50 pK-35 田 !SbFe NH4CI но NaOH pKa = 25 pK,-20 pka 16 a. Circle in the strongest Brensted acid and draw a box around the strongest Brønsted base. b. Select a pair of compounds that will REACT...
a. Provide the IUPAC name of the molecule shown below. (4 points) b. Circle all achiral (meso) compounds below. (4 points) OH COH HOZC OH c. Draw the structure of the compound based on its IUPAC name. (4 points) d. Of the cations below, circle any that are achiral. (4 points) OAC Hg ΤΗ (E)-4-ethyl-3-fluorohept-3-ene e. Provide the IUPAC name of the molecule shown below. (4 points) f Rank the following cations from least stable to most stable. (3 points)...
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