I need help with my HW ... thank you !!
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I need help with my HW ... thank you !!
Write the name for the structure?...
This is for the Grignard Reaction laboratory. Please help me answer this question, much appreciated. 1....
This is for the Grignard Reaction laboratory. Please help me answer this question, much appreciated. 1. If a student performing Laboratory with Grignard reaction accidently used acetone as the reaction solvent instead of diethyl ether, what would the major organic product(s) be? Draw the structure of the product(s) (no mechanism necessary). b. What was the purpose of adding magnesium sulfate in this experiment? c. Grignard reagents react with both aldehyde and ketone functional groups. How do you predict the reaction...
Grignard reagent THE GRIGNARD REAGENT-PREPARATION AND REACTION In this experiment, you will prepa...
i need help with the prelab questions please
Grignard reagent THE GRIGNARD REAGENT-PREPARATION AND REACTION In this experiment, you will prepare a Grignard reagent, phenyl magnesium bromide, from bromobenzene and magnesium metal. The Grignard reagent will then react with methyl benzoate to form triphenylmethanol. Introduction Grignard reagents, such as organomagnesium halides, were discovered in 1910 by French chemist Victor Grignard. The Grignard reaction is one of the most general methods for carbon- carbon bond formation in all of organic chemistry....
need help analyzing nmr (calculations and structure) (TOH) as catalyst. Check your organic textbook for the...
need help analyzing nmr (calculations and structure) (TOH) as catalyst. Check your organic textbook for the mechanism-acid-catalyzed addition of alcohol to aldehydes or ketones to form acetals or ketals. The ketone carbonyl, significantly more reactive than the ester Carbonyl, will react more rapidly with the ethylene glycol Formation of the ketal involves an equilibrium in which water is one of the products. The equilibrium can be shifted to favor the product by removing the water as it is formed (Le...
1. 2. JUST DRAW ARROWS... (CH3)2Culi + CH3Cu Ph CI Ph CH3 The ketone intermediate formed...
1.
2.
JUST DRAW ARROWS...
(CH3)2Culi + CH3Cu Ph CI Ph CH3 The ketone intermediate formed in the reaction of an acid chloride with a Grignard reagent cannot be isolated because it reacts too rapidly with the second equivalent of Grignard reagent. To produce a ketone from an acid chloride, one can treat the acid chloride with a lithium dialkylcopper reagent. The reaction occurs by nucleophilic acyl substitution on the acid chloride by the dialkylcopper anion to yield an acyl...
Can you check my answers please? To answer the questions below use the following information: Cyanohydrins...
Can
you check my answers please?
To answer the questions below use the following information: Cyanohydrins are important intermediates in the synthesis of c-hydroxycarboxylic acids from ketones and aldehydes. The nitrile functional group can be hydrolyzed by aqueous acid to yield a carboxylic acid. Nitriles can also be hydrolyzed to carboxylic acids using aqueous base. Unfortunately, when a cyanohydrin is treated with aqueous base the original carbonyl compound is isolated OH CHCOOH HO CN OBU H HCEN H NAOH H20...
I need some help with these please? Thank you so much in Advance! Review View E2...
I need some help with these please? Thank you so much in
Advance!
Review View E2 + 1 AaBbccde Albcendee AaBbCD AaBbCeDde 2) Draw line bond structures for the reagents you would need to make the following compounds by a Grignard Synthesis involving the indicated reagents. Ketone + Grignard Reagent Ester + Grignard Reagent Aldehyde + Grignard Reagent Epoxide + Grignard Reagent
What is the correct name for the following compound? d) 5-oxo-3-octenoic acid What is the defining...
What is the correct name for the following compound? d) 5-oxo-3-octenoic acid What is the defining functional group of a carboxylic acid? a) an-H attached to a carbonyl group b) an-H attached to a carbon-carbon triple bond c) an-OH attached to a carbonyl group d) an -OH group attached to a O-C double bond e) an-OH group attached to an aromatic ring To convert a carboxylic acid to an aldehyde a) convert the acid to an acid chloride, then use...
i need help! thank you! 3. (4 pts) Draw the structure of the natural product that defines the name of the shikimate...
i need help!
thank you!
3. (4 pts) Draw the structure of the natural product that defines the name of the shikimate pathway. Please also draw the structures of chorismic acid, prephenic acid, and L-phenylalanine. 4. (4 pts) What are the biosynthetic pathways for the production of the following compounds? Biosynthetic pathways Natural products Flavonoliganans Acridine alkaloids Cannabinoids Doxorubicin Resveratrol Lignins он согн но он
3. (4 pts) Draw the structure of the natural product that defines the name of...
can you please show the work.. thank you in Black New Tab MyUn Sign in Learn...
can you please show the work.. thank you
in Black New Tab MyUn Sign in Learn @ cheggc GetH Mic x Sign .pdf 1) Choose one molecule from the set and create an 8-step synthesis scheme using the chosen molecule as your starting material. You need to write the complete set of reagents and draw the product expected from each step. Reagents typically used together are considered one step, e.g. 1) LAH 2) H20 should be considered as one step....
Please help! For the reaction in step 2, how do i find the theoretical yield of...
Please help! For the reaction
in step 2, how do i find the theoretical yield of the product for
this reaction? 0.07 moles of the reactant (ethyl acetoacetate
ethylene ketal) was used. What is that keto alcohol product
(circled) called? what is the molar mass of that circled product??
thank you!!
(TsOH) as catalyst. . Check your organic textbook for the mechanism- acid-catalvzed addition of alcohol to aldehydes or ketones to form acetals or ketals. The ketone carbonyl, significantly more...
i need help with the prelab questions please
Grignard reagent THE GRIGNARD REAGENT-PREPARATION AND REACTION In this experiment, you will prepare a Grignard reagent, phenyl magnesium bromide, from bromobenzene and magnesium metal. The Grignard reagent will then react with methyl benzoate to form triphenylmethanol. Introduction Grignard reagents, such as organomagnesium halides, were discovered in 1910 by French chemist Victor Grignard. The Grignard reaction is one of the most general methods for carbon- carbon bond formation in all of organic chemistry....
need help analyzing nmr (calculations and structure) (TOH) as catalyst. Check your organic textbook for the mechanism-acid-catalyzed addition of alcohol to aldehydes or ketones to form acetals or ketals. The ketone carbonyl, significantly more reactive than the ester Carbonyl, will react more rapidly with the ethylene glycol Formation of the ketal involves an equilibrium in which water is one of the products. The equilibrium can be shifted to favor the product by removing the water as it is formed (Le...
1.
2.
JUST DRAW ARROWS...
(CH3)2Culi + CH3Cu Ph CI Ph CH3 The ketone intermediate formed in the reaction of an acid chloride with a Grignard reagent cannot be isolated because it reacts too rapidly with the second equivalent of Grignard reagent. To produce a ketone from an acid chloride, one can treat the acid chloride with a lithium dialkylcopper reagent. The reaction occurs by nucleophilic acyl substitution on the acid chloride by the dialkylcopper anion to yield an acyl...
Can
you check my answers please?
To answer the questions below use the following information: Cyanohydrins are important intermediates in the synthesis of c-hydroxycarboxylic acids from ketones and aldehydes. The nitrile functional group can be hydrolyzed by aqueous acid to yield a carboxylic acid. Nitriles can also be hydrolyzed to carboxylic acids using aqueous base. Unfortunately, when a cyanohydrin is treated with aqueous base the original carbonyl compound is isolated OH CHCOOH HO CN OBU H HCEN H NAOH H20...
I need some help with these please? Thank you so much in
Advance!
Review View E2 + 1 AaBbccde Albcendee AaBbCD AaBbCeDde 2) Draw line bond structures for the reagents you would need to make the following compounds by a Grignard Synthesis involving the indicated reagents. Ketone + Grignard Reagent Ester + Grignard Reagent Aldehyde + Grignard Reagent Epoxide + Grignard Reagent
What is the correct name for the following compound? d) 5-oxo-3-octenoic acid What is the defining functional group of a carboxylic acid? a) an-H attached to a carbonyl group b) an-H attached to a carbon-carbon triple bond c) an-OH attached to a carbonyl group d) an -OH group attached to a O-C double bond e) an-OH group attached to an aromatic ring To convert a carboxylic acid to an aldehyde a) convert the acid to an acid chloride, then use...
i need help!
thank you!
3. (4 pts) Draw the structure of the natural product that defines the name of the shikimate pathway. Please also draw the structures of chorismic acid, prephenic acid, and L-phenylalanine. 4. (4 pts) What are the biosynthetic pathways for the production of the following compounds? Biosynthetic pathways Natural products Flavonoliganans Acridine alkaloids Cannabinoids Doxorubicin Resveratrol Lignins он согн но он
3. (4 pts) Draw the structure of the natural product that defines the name of...
can you please show the work.. thank you
in Black New Tab MyUn Sign in Learn @ cheggc GetH Mic x Sign .pdf 1) Choose one molecule from the set and create an 8-step synthesis scheme using the chosen molecule as your starting material. You need to write the complete set of reagents and draw the product expected from each step. Reagents typically used together are considered one step, e.g. 1) LAH 2) H20 should be considered as one step....
Please help! For the reaction
in step 2, how do i find the theoretical yield of the product for
this reaction? 0.07 moles of the reactant (ethyl acetoacetate
ethylene ketal) was used. What is that keto alcohol product
(circled) called? what is the molar mass of that circled product??
thank you!!
(TsOH) as catalyst. . Check your organic textbook for the mechanism- acid-catalvzed addition of alcohol to aldehydes or ketones to form acetals or ketals. The ketone carbonyl, significantly more...
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