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1. The reaction web includes most of the reactions of enolates we have studied. The products...
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...
1. The aldol condensation reaction belongs to a group of reactions characterized by formation of an...
1. The aldol condensation reaction belongs to a group of reactions characterized by formation of an enolate. For each of the following aldehydes or ketones, draw the enolate ion that forms when treated with a strong base such as sodium hydroxide. If an enolate cannot form, put NR (no reaction). 2. The first step in the aldol addition of acetaldehyde is an acid base reaction (proton transfer). pka = 16 pka = 15 OH a. The pk, for each acid...
Many of the condensations we have studied are reversible. The reverse reactions are often given the...
Many of the condensations we
have studied are reversible. The reverse reactions are often given
the prefix retro-, the Latin word meaning “backward.” Propose
mechanisms to account for the following reactions.
Part B H+ CH3 OH CH (retro-aldol and further condensation) Use H/H2O as your acid/conjugate base. Draw all missing reactants and/or products in the appropriate boxes by placing atoms on the canvas and connecting them with bonds. Add charges where needed. Electron flow arrows should start on the electron(s)...
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...
**(left structure)****(right structure)** The two structures for the assignment are above and the task is: 1....
**(left structure)****(right
structure)**
The two structures for the assignment are above and
the task is:
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
upon the target. For the structure given above (structure on left),
the starting material is either malonic ester or acetoacetic ester
and any halide. For the structure given above (structure on right),
the starting material is any...
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...
1. The aldol condensation reaction belongs to a group of reactions characterized by formation of an enolate. For each of the following aldehydes or ketones, draw the enolate ion that forms when treated with a strong base such as sodium hydroxide. If an enolate cannot form, put NR (no reaction). 2. The first step in the aldol addition of acetaldehyde is an acid base reaction (proton transfer). pka = 16 pka = 15 OH a. The pk, for each acid...
Many of the condensations we
have studied are reversible. The reverse reactions are often given
the prefix retro-, the Latin word meaning “backward.” Propose
mechanisms to account for the following reactions.
Part B H+ CH3 OH CH (retro-aldol and further condensation) Use H/H2O as your acid/conjugate base. Draw all missing reactants and/or products in the appropriate boxes by placing atoms on the canvas and connecting them with bonds. Add charges where needed. Electron flow arrows should start on the electron(s)...
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...
**(left structure)****(right
structure)**
The two structures for the assignment are above and
the task is:
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
upon the target. For the structure given above (structure on left),
the starting material is either malonic ester or acetoacetic ester
and any halide. For the structure given above (structure on right),
the starting material is any...
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