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4) (4) Th ere are 4 different ways to synthesize the following compound using Wittig chemistry....
Problem 1. Synthesize the following alkene through the Wittig reaction of a carbonyl compound and a...
Problem 1. Synthesize the following alkene through the Wittig reaction of a carbonyl compound and a Wittig reagent. 2,3-diphenyl-2-butene 2. Predict the products of the following reactions. Casco CHCH.CHCH, CHCH.CH но ats ОО 2.0 CH,CHACHCH,CHCHOCH.CH, CH 3. A useful and general method for the synthesis of alcohols is the addition of Grignard reagents to carbonyl compounds. Show what Grignard reagent and what carbonyl compound you would start with to prepare the alcohol below. List all possibilities. 2-methyl--butanol 2-METHYL-2- BOTANIC
7. Suggest how you would synthesize the compound X shown below. Make sure that compound X...
7. Suggest how you would synthesize the compound X shown below. Make sure that compound X is the ONLY product possible! Question 7 and 8 Hint (Remember for the exam!): To answer this question, you simply need to provide the structures of the organic substrate and a reagent (in this specific case, an alkyl halide and a base or a nucleophilie and electrophile) that can be used to obtain the product X shown by using a correctly designed reaction (an...
Give all steps beginning with the organic halide to show how one would prepare benzophenore 4....
Give all steps beginning with the organic halide to show how one would prepare benzophenore 4. (CsH,C(O)CH) by a Grignard synthesis. s. Using the Williamson Ethe Synthesis, show how you would prepare benzyl phenyl ether Using the Wittig synthesis for alkenes by reacting a carbonyl compound and an alkyl phosphonium chloride, propose a synthesis for 2-methyl-1-phenyl-1-propene. 6. Using the attached spectroscopic data, deduce the structure of Compound X which contains C, H and N. 7. Draw the structure of Compound...
A chemist wanted to synthesize the following compound using the acetoacetic acid ester synthesis. Two alkyl...
A chemist wanted to synthesize the following compound using the acetoacetic acid ester synthesis. Two alkyl bromides will be needed for the reaction. Draw the structure of the two required alkyl bromides. Don't draw anything else, just the two alkyl bromides. Насло مکم CH2 alkyl bromide 1 alkyl bromide 2
Synthesis using Carbonyla-Substitution Chemistry Preamble This experiment involves the synthesis of target molecules using a-substitution chemistry....
Synthesis using Carbonyla-Substitution Chemistry Preamble This experiment involves the synthesis of target molecules using a-substitution chemistry. You are assigned two target molecules, one of which is best synthesized by an alkylation approach, while the other is best synthesized by an addition or condensation approach. My two target molecules are number 2 and number 12 in the last page. You must do the following: 1. Perform a retrosynthetic analysis on the two target molecules assigned to you. In each case the...
Page 1 Synthesis using Carbonyl O-Substitution Chemistry Preamble This experiment involves the synthesis of target molecules...
Page 1 Synthesis using Carbonyl O-Substitution Chemistry Preamble This experiment involves the synthesis of target molecules using a-substitution chemistry. You are assigned two target molecules, one of which is best synthesized by an alkylation approach, while the other is best synthesized by an addition or condensation approach. You must do the following: 1. Perform a retrosynthetic analysis on the two target molecules assigned to you. In each case the organic starting material (what you have to work backwards toward) depends...
The following pre-lab tasks must be performed individually, typed and printed out and brought to ...
typo: chemdoodle just means computer drawn
chemdoodle = computer drawn
The following pre-lab tasks must be performed individually, typed and printed out and brought to the lab for the first experimental session. Do not use your lab notebooks for this purpose. 1. Using ChemDoodle software draw a reaction mechanism (appropriate arrows, transition states, lone pairs) of imine formation upon reaction of aniline with benzaldehyde. 2. Imines are important synthetic intermediates. Provide synthetic scheme -not mechanism (ChemDoodle drawn) showing synthetic transformation...
alon 4) Design a synthetic route that would form the following ketone using Acetoacetic Ester or...
alon 4) Design a synthetic route that would form the following ketone using Acetoacetic Ester or Malonic Ester Synthesis. You can utilize any aldehyde, ketone, ester alkyl halide, acid, base, and any additional inorganic reagent or solvent needed. Remember to be specific with your choice of reagents and cond itions. Draw out each synthetic step with the reagent(s) needed for performing that step. (20 Pts) Sorry this ir all Over the plau... ( tricd to draN Prth но
I need answers of question 3-4. 2.) Benzoin was oxidized to benzil using copper chemistry however...
I need answers of question 3-4.
2.) Benzoin was oxidized to benzil using copper chemistry however there are many different ways to oxidize alcohols to ketones. Many of these reaction conditions are well known, and are even named after the inventors. Name the following reactions with their proper names. DMS, NCS Et,N o 2AcOH R acetone 0 TR CI 2. NR 3.) Pyridinium Chlorochromate is a mild oxidizing reagent. Name one advantage to using PCC as a reagent, and one...
SOLVED PROBLEM 7-3 When the following compound is heated in methanol, several different products are formed....
SOLVED PROBLEM 7-3 When the following compound is heated in methanol, several different products are formed. Propose mechanisms to account for the four products shown. CH-Br CH heat CH,OH -OCH; + -OCH PARTIAL SOLUTION With no strong base and a good ionizing solvent, we would expect a first-order reaction. But this is a primary alkyl halide, so ionization is difficult unless it rearranges. It might rearrange as it forms, but we'll imagine the cation forming then rearranging. H. Br: CH...
Problem 1. Synthesize the following alkene through the Wittig reaction of a carbonyl compound and a Wittig reagent. 2,3-diphenyl-2-butene 2. Predict the products of the following reactions. Casco CHCH.CHCH, CHCH.CH но ats ОО 2.0 CH,CHACHCH,CHCHOCH.CH, CH 3. A useful and general method for the synthesis of alcohols is the addition of Grignard reagents to carbonyl compounds. Show what Grignard reagent and what carbonyl compound you would start with to prepare the alcohol below. List all possibilities. 2-methyl--butanol 2-METHYL-2- BOTANIC
7. Suggest how you would synthesize the compound X shown below. Make sure that compound X is the ONLY product possible! Question 7 and 8 Hint (Remember for the exam!): To answer this question, you simply need to provide the structures of the organic substrate and a reagent (in this specific case, an alkyl halide and a base or a nucleophilie and electrophile) that can be used to obtain the product X shown by using a correctly designed reaction (an...
Give all steps beginning with the organic halide to show how one would prepare benzophenore 4. (CsH,C(O)CH) by a Grignard synthesis. s. Using the Williamson Ethe Synthesis, show how you would prepare benzyl phenyl ether Using the Wittig synthesis for alkenes by reacting a carbonyl compound and an alkyl phosphonium chloride, propose a synthesis for 2-methyl-1-phenyl-1-propene. 6. Using the attached spectroscopic data, deduce the structure of Compound X which contains C, H and N. 7. Draw the structure of Compound...
A chemist wanted to synthesize the following compound using the acetoacetic acid ester synthesis. Two alkyl bromides will be needed for the reaction. Draw the structure of the two required alkyl bromides. Don't draw anything else, just the two alkyl bromides. Насло مکم CH2 alkyl bromide 1 alkyl bromide 2
Synthesis using Carbonyla-Substitution Chemistry Preamble This experiment involves the synthesis of target molecules using a-substitution chemistry. You are assigned two target molecules, one of which is best synthesized by an alkylation approach, while the other is best synthesized by an addition or condensation approach. My two target molecules are number 2 and number 12 in the last page. You must do the following: 1. Perform a retrosynthetic analysis on the two target molecules assigned to you. In each case the...
Page 1 Synthesis using Carbonyl O-Substitution Chemistry Preamble This experiment involves the synthesis of target molecules using a-substitution chemistry. You are assigned two target molecules, one of which is best synthesized by an alkylation approach, while the other is best synthesized by an addition or condensation approach. You must do the following: 1. Perform a retrosynthetic analysis on the two target molecules assigned to you. In each case the organic starting material (what you have to work backwards toward) depends...
typo: chemdoodle just means computer drawn
chemdoodle = computer drawn
The following pre-lab tasks must be performed individually, typed and printed out and brought to the lab for the first experimental session. Do not use your lab notebooks for this purpose. 1. Using ChemDoodle software draw a reaction mechanism (appropriate arrows, transition states, lone pairs) of imine formation upon reaction of aniline with benzaldehyde. 2. Imines are important synthetic intermediates. Provide synthetic scheme -not mechanism (ChemDoodle drawn) showing synthetic transformation...
alon 4) Design a synthetic route that would form the following ketone using Acetoacetic Ester or Malonic Ester Synthesis. You can utilize any aldehyde, ketone, ester alkyl halide, acid, base, and any additional inorganic reagent or solvent needed. Remember to be specific with your choice of reagents and cond itions. Draw out each synthetic step with the reagent(s) needed for performing that step. (20 Pts) Sorry this ir all Over the plau... ( tricd to draN Prth но
I need answers of question 3-4.
2.) Benzoin was oxidized to benzil using copper chemistry however there are many different ways to oxidize alcohols to ketones. Many of these reaction conditions are well known, and are even named after the inventors. Name the following reactions with their proper names. DMS, NCS Et,N o 2AcOH R acetone 0 TR CI 2. NR 3.) Pyridinium Chlorochromate is a mild oxidizing reagent. Name one advantage to using PCC as a reagent, and one...
SOLVED PROBLEM 7-3 When the following compound is heated in methanol, several different products are formed. Propose mechanisms to account for the four products shown. CH-Br CH heat CH,OH -OCH; + -OCH PARTIAL SOLUTION With no strong base and a good ionizing solvent, we would expect a first-order reaction. But this is a primary alkyl halide, so ionization is difficult unless it rearranges. It might rearrange as it forms, but we'll imagine the cation forming then rearranging. H. Br: CH...
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