What type of reaction is happening ( a directed alkylation or
acylation to a ketone or ester)
what is the product
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What type of reaction is happening ( a directed alkylation or
acylation to a ketone or...
5. Ester enolates (as well as enolates from ketones) are often best generated using sterically hindered...
5. Ester enolates (as well as enolates from ketones) are often best generated using sterically hindered bases such as t-butoxide, since a bulky base will be less likely to act as a nucleophile and attack the carbonyl carbon. Give the enolates generated by the following bulky bases, then show the product of enolate alkylation. (Hint – the second step is an SN2 reaction.). The first one is done as an example. Be sure to count your carbons! Br + LIEN...
#4 is asking for a potential path to synthesize from the listed starting material to the...
#4 is asking for a potential
path to synthesize from the listed starting material to the final
product. Including all reagents used and intermediary steps. The
chapter this was assigned with is enolate anions & amines.
1. Draw all possible products for the base catalyzed reaction of ethanal and propanal. Indicate the new bond formed. (Full: all possible products and correct ID of new bond, partial: 75% of possible products) 2. Draw and label the kinetic and thermodynamic products for...
What is the major product of the following reaction? 1) BD3, THE 2) NaOH, H2O2 он...
What is the major product of the following reaction? 1) BD3, THE 2) NaOH, H2O2 он НО. D A B D ОН он OD ОА B EIO 20 What is the major product of the following reaction? Etон only B Eto OET A D C D A What is/are the major product(s) of the following reaction? Br Н,0 д он ОН он А в only с D Ос A What is the major product of the following reaction? HBr ROOR...
1) Choose the correct structures for X and Y. 2) The following aldol reaction can produce...
1) Choose the correct structures for X and
Y.
2) The following aldol reaction can produce 4 products. Select
the structure that is not a possible product of the following
reaction.
3) Choose the major compounds present after the following ketone
is treated with dilute aqueous base.
4) Draw the alkyl bromide(s) that is(are) needed to prepare the
following ketone using the acetoacetic ester synthesis.
O Br LDA TMS-CI CH3-Li Br Х Y -78 °C NEt3 1 2 3 A....
for the first picture i need to find out what the 2nd reaction is (name of reaction). I have it as alpha alkylation but i’m not sure if thats correct. I am unsure because while LDA is adding the alky...
for the first picture i need to find out what the 2nd reaction
is (name of reaction). I have it as alpha alkylation but i’m not
sure if thats correct. I am unsure because while LDA is adding the
alkyl halide it is also adding an ester group along with it so I
did not know if that was possible with the alpha allylation.
In the second picture i need to know what the name of the
reaction the H+...
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...
**(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...
What type(s) of intermolecular forces are expected between SO2Cl2 molecules? ball & stick V - labels...
What type(s) of intermolecular forces are expected between SO2Cl2 molecules? ball & stick V - labels Indicate with a Y (yes) or an N (no) which apply. dipole forces induced dipole forces hydrogen bonding What type(s) of intermolecular forces are expected between PC13 molecules? Choose all that apply dispersion hydrogen bonding dipole-dipole ion-ion What type(s) of intermolecular forces are expected between H20 molecules? ball & stick v + labels Indicate with a Y (yes) or an N (no) which apply....
5. Ester enolates (as well as enolates from ketones) are often best generated using sterically hindered bases such as t-butoxide, since a bulky base will be less likely to act as a nucleophile and attack the carbonyl carbon. Give the enolates generated by the following bulky bases, then show the product of enolate alkylation. (Hint – the second step is an SN2 reaction.). The first one is done as an example. Be sure to count your carbons! Br + LIEN...
#4 is asking for a potential
path to synthesize from the listed starting material to the final
product. Including all reagents used and intermediary steps. The
chapter this was assigned with is enolate anions & amines.
1. Draw all possible products for the base catalyzed reaction of ethanal and propanal. Indicate the new bond formed. (Full: all possible products and correct ID of new bond, partial: 75% of possible products) 2. Draw and label the kinetic and thermodynamic products for...
What is the major product of the following reaction? 1) BD3, THE 2) NaOH, H2O2 он НО. D A B D ОН он OD ОА B EIO 20 What is the major product of the following reaction? Etон only B Eto OET A D C D A What is/are the major product(s) of the following reaction? Br Н,0 д он ОН он А в only с D Ос A What is the major product of the following reaction? HBr ROOR...
1) Choose the correct structures for X and
Y.
2) The following aldol reaction can produce 4 products. Select
the structure that is not a possible product of the following
reaction.
3) Choose the major compounds present after the following ketone
is treated with dilute aqueous base.
4) Draw the alkyl bromide(s) that is(are) needed to prepare the
following ketone using the acetoacetic ester synthesis.
O Br LDA TMS-CI CH3-Li Br Х Y -78 °C NEt3 1 2 3 A....
for the first picture i need to find out what the 2nd reaction
is (name of reaction). I have it as alpha alkylation but i’m not
sure if thats correct. I am unsure because while LDA is adding the
alkyl halide it is also adding an ester group along with it so I
did not know if that was possible with the alpha allylation.
In the second picture i need to know what the name of the
reaction the H+...
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...
**(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...
What type(s) of intermolecular forces are expected between SO2Cl2 molecules? ball & stick V - labels Indicate with a Y (yes) or an N (no) which apply. dipole forces induced dipole forces hydrogen bonding What type(s) of intermolecular forces are expected between PC13 molecules? Choose all that apply dispersion hydrogen bonding dipole-dipole ion-ion What type(s) of intermolecular forces are expected between H20 molecules? ball & stick v + labels Indicate with a Y (yes) or an N (no) which apply....
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