5.) Calculate percentage of
the enolate form (deprotonated form of a substituted acetophenone)
in an equilibrium between equimolar amounts of a substituted
acetophenone (pKa=18.2) and potassium alkoxide (pKa of HOR=16.2) in
corresponding alcohol HOR. Round your answer to nearest tens, e.g.
1.1, don't add percent sign to numeral answer.
Homework Answers
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5.) Calculate percentage of the enolate form (deprotonated form of a substituted acetophenone) in...
Question 1 Match each reagent with its role in aldol condensation reaction. Not yet answered D-anisaldehyde...
Question 1 Match each reagent with its role in aldol condensation reaction. Not yet answered D-anisaldehyde Choose... Points out of 10.00 dium hydroxide Choose... P Flag question acetophenone Choose... ethanol Choose... Question 2 Not yet answered To purify the aldol condensation product you will have to recrystallize it from methanol. Give the steps in recrystallization procedure the appropriate order numbering. Points out of 10.00 The compound is kept under vacuum for 10 min Choose... + P Flag question The solution...
Question 1 Not yet answered Points out of 3.00 Consider two compounds shown below. For each compo...
Answer all questions please. Not due until April 3rd.
--------------------------------------------------------------------------------
Question 1 Not yet answered Points out of 3.00 Consider two compounds shown below. For each compound identify which group is the most acidic, the least acidic, or has mid acidity value (pKa value) он он 1 HO 0H3 Flag question NH3 OH 2 group 1 Choose... group 2 Choose group 3 Chse... group I group IIChoose group III Choose... Choose. Question 2 Not yet answered Points out of 3.00...
Determine the theoretical and percent yield for this lab Wednerdouy 13 CH 4521-8: Crossed Aldol Condensation:...
Determine the theoretical and percent yield for this lab
Wednerdouy 13 CH 4521-8: Crossed Aldol Condensation: Synthesls of trans-p-anisalacetophenone Ketones that contain an a-hydrogen (a hydrogen on the C right next door to the carbonyl group) can be tabilized via keto-enol tautomerization, or through the loss of the a-hydrogen to form an enolate anion. enolate anion Enolate ions actas nudbophiles and are considerable more reactive than tois. The enolate on i the subject of today's experiment. The formation of an...
10. Please Check 1 by 1 and read carefully. I would need a perfect score for...
10.
Please Check 1 by 1 and read carefully. I would need a perfect
score for this . Thanks
Select the keyword or phrase that will best complete each sentence A Claisen reaction is a nucleophilic substitution in which an enolate is the nucleophile Key terms: Robinson annulation Aldol condensation: An aldol reaction in which the initially formed p hydroxyl carbonyl compound loses water by dehydration. Claisen reaction Aldol condensation Dieckmann reaction: An intramolecular Claisen reaction of a diester to...
Here is all the information and content! One of the questions which shows a double stranded...
Here is all the information and content! One of the questions
which shows a double stranded sequence and asks for the mRNA
sequence has not correct answer. It should be dropped.
Anyone who majored in Bio can answer these 2nd-year biology
multiple questions (only Q14 has more than one answer). Thanks a
lot!!!!!
Question This type of RNA does not participate in the splicing reaction, but is important for efficient functioning of the spliceosome. Not yet answered Marked out of...
Experimental Outline In its simplest form, the aldol condensation is a self-addition involving tw...
Organic Chemistry 2
Experimental Outline In its simplest form, the aldol condensation is a self-addition involving two molecules of the same aldehyde or ketone, in the presence of a base, and results in the formation of a new carbon-carbon bond joining the carbonyl carbon of one molecule to the a-position of the second. In many cases - if the reaction conditions aren't sufficiently mild - the initially formed aldol product reacts further in an elimination reaction to give what is...
Draw a structural formula for the product of the aldol reaction of the compound shown above,...
Draw a structural formula for the product of the aldol reaction of the compound shown above, as well as the a.B-unsaturated aldehyde or ketone formed from dehydration of the aldol product. You do not have to consider stereochemistry. You do not have to explicitly draw H atoms. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right comer. Separate structures using the sign from the drop-down menu. . o 1. Og 2. (CH3)2...
СО cat. H + NH2CH3 + H2CO2C CO2CH3 CO CHE Cocaine has been prepared by a...
СО cat. H + NH2CH3 + H2CO2C CO2CH3 CO CHE Cocaine has been prepared by a sequence beginning with a Mannich reaction between dimethyl acetonedicarboxylate, methylamine, and butanedial. The mechanism involves the following steps: 1. Following initial protonation of the carbonyl oxygen, nucleophilic attack by the amine forms carbinolamine 1; 2. Proton transfer and elimination of water forms iminium ion 2; he enol form of the dicarboxylate ester attacks the iminium ion to form adduct 3; 4. Adduct 3 tautomerizes...
Make sure the reaction table described above is completed in your notebook.
Prelab questions:1. Make sure the reaction table described above is completed in your notebook.2. Two benzaldehyde molecules combine with one acetone molecule in this aldol reaction. If someone uses 5.0 mL of benzaldehyde and 2.5 mL of acetone to try to improve the yield of product, is this the correct ratio of molecules so that there is no excess? Why or why not?The Aldol Reaction: Synthesis of DibenzalacetonePurpose: Introduce the student to the hands-on chemistry of carbonyl condensations.Warning: Dispose of...
Complete questions 10-27 PART II: REACTIONS: Here is another different" question. Pretend you have been asked...
Complete questions 10-27
PART II: REACTIONS: Here is another different" question. Pretend you have been asked by me to put together a bunch of one-step reactions WITH starting materials (your choice), reagents and answers to help me with writing a final exam. For example: let's say I ask you to give an example of a free radical chlorination with a non-cyclic compound. Below would be your answer. As I am pretty sure you can figure out, there are millions of...
Question 1 Match each reagent with its role in aldol condensation reaction. Not yet answered D-anisaldehyde Choose... Points out of 10.00 dium hydroxide Choose... P Flag question acetophenone Choose... ethanol Choose... Question 2 Not yet answered To purify the aldol condensation product you will have to recrystallize it from methanol. Give the steps in recrystallization procedure the appropriate order numbering. Points out of 10.00 The compound is kept under vacuum for 10 min Choose... + P Flag question The solution...
Answer all questions please. Not due until April 3rd.
--------------------------------------------------------------------------------
Question 1 Not yet answered Points out of 3.00 Consider two compounds shown below. For each compound identify which group is the most acidic, the least acidic, or has mid acidity value (pKa value) он он 1 HO 0H3 Flag question NH3 OH 2 group 1 Choose... group 2 Choose group 3 Chse... group I group IIChoose group III Choose... Choose. Question 2 Not yet answered Points out of 3.00...
Determine the theoretical and percent yield for this lab
Wednerdouy 13 CH 4521-8: Crossed Aldol Condensation: Synthesls of trans-p-anisalacetophenone Ketones that contain an a-hydrogen (a hydrogen on the C right next door to the carbonyl group) can be tabilized via keto-enol tautomerization, or through the loss of the a-hydrogen to form an enolate anion. enolate anion Enolate ions actas nudbophiles and are considerable more reactive than tois. The enolate on i the subject of today's experiment. The formation of an...
10.
Please Check 1 by 1 and read carefully. I would need a perfect
score for this . Thanks
Select the keyword or phrase that will best complete each sentence A Claisen reaction is a nucleophilic substitution in which an enolate is the nucleophile Key terms: Robinson annulation Aldol condensation: An aldol reaction in which the initially formed p hydroxyl carbonyl compound loses water by dehydration. Claisen reaction Aldol condensation Dieckmann reaction: An intramolecular Claisen reaction of a diester to...
Here is all the information and content! One of the questions
which shows a double stranded sequence and asks for the mRNA
sequence has not correct answer. It should be dropped.
Anyone who majored in Bio can answer these 2nd-year biology
multiple questions (only Q14 has more than one answer). Thanks a
lot!!!!!
Question This type of RNA does not participate in the splicing reaction, but is important for efficient functioning of the spliceosome. Not yet answered Marked out of...
Organic Chemistry 2
Experimental Outline In its simplest form, the aldol condensation is a self-addition involving two molecules of the same aldehyde or ketone, in the presence of a base, and results in the formation of a new carbon-carbon bond joining the carbonyl carbon of one molecule to the a-position of the second. In many cases - if the reaction conditions aren't sufficiently mild - the initially formed aldol product reacts further in an elimination reaction to give what is...
Draw a structural formula for the product of the aldol reaction of the compound shown above, as well as the a.B-unsaturated aldehyde or ketone formed from dehydration of the aldol product. You do not have to consider stereochemistry. You do not have to explicitly draw H atoms. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right comer. Separate structures using the sign from the drop-down menu. . o 1. Og 2. (CH3)2...
СО cat. H + NH2CH3 + H2CO2C CO2CH3 CO CHE Cocaine has been prepared by a sequence beginning with a Mannich reaction between dimethyl acetonedicarboxylate, methylamine, and butanedial. The mechanism involves the following steps: 1. Following initial protonation of the carbonyl oxygen, nucleophilic attack by the amine forms carbinolamine 1; 2. Proton transfer and elimination of water forms iminium ion 2; he enol form of the dicarboxylate ester attacks the iminium ion to form adduct 3; 4. Adduct 3 tautomerizes...
Complete questions 10-27
PART II: REACTIONS: Here is another different" question. Pretend you have been asked by me to put together a bunch of one-step reactions WITH starting materials (your choice), reagents and answers to help me with writing a final exam. For example: let's say I ask you to give an example of a free radical chlorination with a non-cyclic compound. Below would be your answer. As I am pretty sure you can figure out, there are millions of...
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