Groups C and D can be compared more easily using the GC analysis but not groups...
Groups C and D can be compared more easily using the GC analysis but not groups A and B. Explain why that is the case.
Group A: elimination using KOH (in 1-propanol) as a Base with 2-bromo-2-methylbutane
Group B: elimination using KOtBU (potassium tert-butoxide in tert-butanol) as a base with 2-bromo-2-methylbutane
Group C: elimination with 1-propanol and 2-bromo-2-methylbutane
Group D: elimination with 1-butanol and 2-bromo-2-methylbutane
Homework Answers
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Groups C and D can be compared more easily using the GC
analysis but not groups...
3. for each of the following, choose the reaction that would proceed more rapidly and give...
3. for each of the following, choose the reaction that would proceed more rapidly and give an explanation for your choice: (a) iodomethane or bromomethane with aqueous KOH (b) iodomethane or iodoethane with aqueous KOH (c) methanol or bromomethane with Nal dissolved in acetone (d) 2-bromopropane or 1-bromopropane with Nal dissolved in acetone (e) 2-bromo-2-methylbutane or 2-bromo-3-methylbutane with ethanol (f) aqueous KBr or aqueous HBr with butanol (g) 2-chloro-3,3-dimethylbutane or 2-chloro-3-methylbutane with potassium tert- butoxide (h) 1:1 or 1:4 by...
need help with part c and d L euly butane 2-chloro-2-methylbutane 2-chloro-3-methylbutane 2-chlorobutane c) Draw a...
need help with part c and d
L euly butane 2-chloro-2-methylbutane 2-chloro-3-methylbutane 2-chlorobutane c) Draw a curved-arrow mechanism for the following reaction: - H2O Hạº, d) Label the following reactions as S1, S2, E1, E2, addition, or acid/base (2 pts, cach). i. Bromoethane becomes ethanol upon treatment with hydroxide ion. ii. 1-Methyl-1-cyclohexanol reacts with acid in water to form l-methylcyclohexene. iii. Propyne becomes propane in the presence of hydrogen and metal catalyst. iv. I-iodopropane reacts with potassium tert-butoxide. SN e)...
Please help with A-H Apply retrosynthetic analysis to guide the preparation of each of the following...
Please help with A-H
Apply retrosynthetic analysis to guide the preparation of each of the following compounds from the indicated starting material, then write out the synthesis showing the necessary reagents. (a) 1-Propanol from 2-propanol (b) 1,2-Dibromopropane from 2-bromopropane (c) 1-Bromo-2-propanol from 2-propanol (d) 1-Bromo-2-methyl-2-propanol from tert-butyl bromide (e) 1,2-Epoxypropane from 2-propanol (1) tert-Butyl alcohol from isobutyl alcohol (g) tert-Butyl iodide from isobutyl iodide (a) 1-Propanol from 2-propanol (b) 1,2-Dibromopropane from 2-bromopropane (C) 1-Bromo-2-propanol from 2-propanol (d) 1-Bromo-2-methyl-2-propanol from tert-butyl...
GC of sodium methoxide reaction products: A = 32745 A=15044 A = 9339 A=area GC of...
GC of sodium methoxide reaction products: A = 32745 A=15044 A = 9339 A=area GC of potassium tert-butoxide reaction products: A = 10318 14- 22359 B4 = 3478 Minutes (Span Lab Report Form: E2 Reaction of 2-Bromoheptane Before Lab complete the first two columns of the Results table below. drawing the alkene products in order of increasing boiling point (lowest boiling point at top of table). Provide structures and names in the first column Results Perform calculations for the relative...
6. The procedure for this lab when actually done specifies refluxing the alkyl halide with the...
6. The procedure for this lab when actually done specifies refluxing the alkyl halide with the alkoxide base in dry alcohol as the solvent. a. What substance should be missing from a dry reagent? b. Write a reaction equation, using structures, for the reaction that would occur between the substance you mentioned in part a and tert-butoxide and label the acid, base, conjugate acid, and conjugate base in the reaction. c. How would the presence of the conjugate base formed...
Chapter 8, Problem 50P 4 Bookmarks Show all steps: OFF O Problem Apply retrosynthetic analysis to...
Chapter 8, Problem 50P 4 Bookmarks Show all steps: OFF O Problem Apply retrosynthetic analysis to guide the preparation of each of the following compounds from the indicated starting material, then write out the synthesis showing the necessary reagents. (a) 1-Propanol from 2-propanol (b) 1,2-Dibromopropane from 2-bromopropane (c) 1-Bromo-2-propanol from 2-propanol (d) 1-Bromo-2-methyl-2-propanol from tert-butyl bromide (e) 1,2-Epoxypropane from 2-propanol (1) tert-Butyl alcohol from isobutyl alcohol (9) fert-Butyl iodide from isobutyl iodide (h) trans-2-Chlorocyclohexanol from cyclohexyl chloride
The purpose of this experiment is to synthesize a polymer using a Gilch polymerization of 2,5-...
The purpose of this experiment is to synthesize a polymer using a Gilch polymerization of 2,5- bis(bromomethyl) - 1 -methoxy-4-(2-ethylhexyloxy) benzene, to investigate the polymer's photophysical properties, and to understand the mechanism of the polymerization reaction. Introduction Poly(p-phenylene vinylenes), or PPVS, are highly luminescent polymers that are used for a variety of commercial applications. Their general structure is shown in Figure . PPVS can be synthesized via a number of routes, including a Gilch polymerization reaction, which will be used...
Make sure answer are correct thank you! Practice Questions 1. What reagents could CH CH CH.C-CCH...
Make sure answer are correct thank you!
Practice Questions 1. What reagents could CH CH CH.C-CCH 3. Which reaction would proceed the fastest? (A) CH,CH,OCHOH-- be used to accomplish the synthesis of this compound? CH3CH2OH + OCH3 CH CH OH SCH CH,CH2OH + N(CH3)h (B) CH3CH2Br + Na"で.CCH3 When 2-bromo-2-methylbutane is treated with a base, a mixture of 2-methyl-2-butene and 2-methyl-1-butene is produced. 2. CH,CH,OH+ OSC H4CH CHy 4. Which is a possible D Br CH3 H product of the...
Lucy propere (d) isopentane and 2-methylbutane 3. Which one of the following hexanes has the lowest...
Lucy propere (d) isopentane and 2-methylbutane 3. Which one of the following hexanes has the lowest boiling point? (a) 3-methylpentane (b) 2-methylpentane (c) hexane (d) 2,2-dimethylbutane 4. A CH3 In the lowest energy conformation of the compound to the right, how many alkyl substituents are axial? (a) 0 (c) 2 (b) 1 (d) 3 (CH),CHWV CH.CH 5. Identify the correct IUPAC name for the structure shown below. (a) 1-tert-butyl-2-chloro-5-bromocyclooctane (b) 5-bromo-1-tert-butyl-2-chlorocyclooctane (c) 1-bromo-4-chloro-5-tert-butylcyclooctane (d) 1-bromo-4-tert-butyl-5-chlorocyclooctane (e) 1-tert-butyl-4-bromo-7-chlorocyclooctane 6. Which of...
Introduction A common method for synthesizing alkenes is by dehydrating (removing the elements of water) an...
Introduction
A common method for synthesizing alkenes is by dehydrating
(removing the elements of water) an alcohol. The dehydration is
accomplished by heating the alcohol with either phosphoric or
sulfuric acid. In this experiment, the dehydration reaction is
illustrated by the conversion of 2-methylcyclohexanol to a mixture
of alkenes (remember the Saytzeff rule).
Information
Each step of this E1 elimination reaction is reversible and
thus, the reaction may be driven to completion by removing one or
more of the products,...
3. for each of the following, choose the reaction that would proceed more rapidly and give an explanation for your choice: (a) iodomethane or bromomethane with aqueous KOH (b) iodomethane or iodoethane with aqueous KOH (c) methanol or bromomethane with Nal dissolved in acetone (d) 2-bromopropane or 1-bromopropane with Nal dissolved in acetone (e) 2-bromo-2-methylbutane or 2-bromo-3-methylbutane with ethanol (f) aqueous KBr or aqueous HBr with butanol (g) 2-chloro-3,3-dimethylbutane or 2-chloro-3-methylbutane with potassium tert- butoxide (h) 1:1 or 1:4 by...
need help with part c and d
L euly butane 2-chloro-2-methylbutane 2-chloro-3-methylbutane 2-chlorobutane c) Draw a curved-arrow mechanism for the following reaction: - H2O Hạº, d) Label the following reactions as S1, S2, E1, E2, addition, or acid/base (2 pts, cach). i. Bromoethane becomes ethanol upon treatment with hydroxide ion. ii. 1-Methyl-1-cyclohexanol reacts with acid in water to form l-methylcyclohexene. iii. Propyne becomes propane in the presence of hydrogen and metal catalyst. iv. I-iodopropane reacts with potassium tert-butoxide. SN e)...
Please help with A-H
Apply retrosynthetic analysis to guide the preparation of each of the following compounds from the indicated starting material, then write out the synthesis showing the necessary reagents. (a) 1-Propanol from 2-propanol (b) 1,2-Dibromopropane from 2-bromopropane (c) 1-Bromo-2-propanol from 2-propanol (d) 1-Bromo-2-methyl-2-propanol from tert-butyl bromide (e) 1,2-Epoxypropane from 2-propanol (1) tert-Butyl alcohol from isobutyl alcohol (g) tert-Butyl iodide from isobutyl iodide (a) 1-Propanol from 2-propanol (b) 1,2-Dibromopropane from 2-bromopropane (C) 1-Bromo-2-propanol from 2-propanol (d) 1-Bromo-2-methyl-2-propanol from tert-butyl...
GC of sodium methoxide reaction products: A = 32745 A=15044 A = 9339 A=area GC of potassium tert-butoxide reaction products: A = 10318 14- 22359 B4 = 3478 Minutes (Span Lab Report Form: E2 Reaction of 2-Bromoheptane Before Lab complete the first two columns of the Results table below. drawing the alkene products in order of increasing boiling point (lowest boiling point at top of table). Provide structures and names in the first column Results Perform calculations for the relative...
6. The procedure for this lab when actually done specifies refluxing the alkyl halide with the alkoxide base in dry alcohol as the solvent. a. What substance should be missing from a dry reagent? b. Write a reaction equation, using structures, for the reaction that would occur between the substance you mentioned in part a and tert-butoxide and label the acid, base, conjugate acid, and conjugate base in the reaction. c. How would the presence of the conjugate base formed...
Chapter 8, Problem 50P 4 Bookmarks Show all steps: OFF O Problem Apply retrosynthetic analysis to guide the preparation of each of the following compounds from the indicated starting material, then write out the synthesis showing the necessary reagents. (a) 1-Propanol from 2-propanol (b) 1,2-Dibromopropane from 2-bromopropane (c) 1-Bromo-2-propanol from 2-propanol (d) 1-Bromo-2-methyl-2-propanol from tert-butyl bromide (e) 1,2-Epoxypropane from 2-propanol (1) tert-Butyl alcohol from isobutyl alcohol (9) fert-Butyl iodide from isobutyl iodide (h) trans-2-Chlorocyclohexanol from cyclohexyl chloride
The purpose of this experiment is to synthesize a polymer using a Gilch polymerization of 2,5- bis(bromomethyl) - 1 -methoxy-4-(2-ethylhexyloxy) benzene, to investigate the polymer's photophysical properties, and to understand the mechanism of the polymerization reaction. Introduction Poly(p-phenylene vinylenes), or PPVS, are highly luminescent polymers that are used for a variety of commercial applications. Their general structure is shown in Figure . PPVS can be synthesized via a number of routes, including a Gilch polymerization reaction, which will be used...
Make sure answer are correct thank you!
Practice Questions 1. What reagents could CH CH CH.C-CCH 3. Which reaction would proceed the fastest? (A) CH,CH,OCHOH-- be used to accomplish the synthesis of this compound? CH3CH2OH + OCH3 CH CH OH SCH CH,CH2OH + N(CH3)h (B) CH3CH2Br + Na"で.CCH3 When 2-bromo-2-methylbutane is treated with a base, a mixture of 2-methyl-2-butene and 2-methyl-1-butene is produced. 2. CH,CH,OH+ OSC H4CH CHy 4. Which is a possible D Br CH3 H product of the...
Lucy propere (d) isopentane and 2-methylbutane 3. Which one of the following hexanes has the lowest boiling point? (a) 3-methylpentane (b) 2-methylpentane (c) hexane (d) 2,2-dimethylbutane 4. A CH3 In the lowest energy conformation of the compound to the right, how many alkyl substituents are axial? (a) 0 (c) 2 (b) 1 (d) 3 (CH),CHWV CH.CH 5. Identify the correct IUPAC name for the structure shown below. (a) 1-tert-butyl-2-chloro-5-bromocyclooctane (b) 5-bromo-1-tert-butyl-2-chlorocyclooctane (c) 1-bromo-4-chloro-5-tert-butylcyclooctane (d) 1-bromo-4-tert-butyl-5-chlorocyclooctane (e) 1-tert-butyl-4-bromo-7-chlorocyclooctane 6. Which of...
Introduction
A common method for synthesizing alkenes is by dehydrating
(removing the elements of water) an alcohol. The dehydration is
accomplished by heating the alcohol with either phosphoric or
sulfuric acid. In this experiment, the dehydration reaction is
illustrated by the conversion of 2-methylcyclohexanol to a mixture
of alkenes (remember the Saytzeff rule).
Information
Each step of this E1 elimination reaction is reversible and
thus, the reaction may be driven to completion by removing one or
more of the products,...
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