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tse oed arus to ndicate electron flow and indicate formal charges. W wihmehano in the presence...
Determine the products for the acid base reactions (include lone pairs and formal charges) indicate whether...
Determine the products for the acid base reactions
(include lone pairs and formal charges) indicate whether each is a
protonation or deprotonation. then rewrite the first 2 and include
mechanistic arrows to form the products
9. Determine the products for the acid-base reactions show below charges!). Indicate whether each reaction is a protonation or a the products of these acid base reactions have in common? NH HCI OH NaOH OH NaHCO3 OH NaOH 10. Rewrite the first 2 reactions above...
Q4a - The reaction of butan-2-ol with concentrated aqueous HBr goes with partial racemization, giving more...
Q4a - The reaction of butan-2-ol with concentrated aqueous HBr goes with partial racemization, giving more inversion than retention of configuration. Propose a mechanism that accounts for partial inversion. Draw all the arrows to indicate movement of electrons, write all lone pairs involved into electron transfer, all formal charges, and all the products for each step. If a racemic mixture is formed, you may indicate this using a wavy line www or mark the chiral center with an asterisk (*),...
5. Provide a detailed mechanism including curved arrows showing electron flow intermediate structures, formal charges, and...
5. Provide a detailed mechanism including curved arrows showing electron flow intermediate structures, formal charges, and reaction arrows. Be sure to show relevant bonds. Then, answer the associated question. (11 points) TIP: This is much more straightforward than it looks. It's two Michael Addition reactions Me Me 1. (2 equiv base), THF -7B C to 0 C 2. H,O, HCI a. Lithium hexamethyldisilazide (LIHMDS) operates as a base in this mechanism. Another name for this is lithium bis(trimethylsilyl)amide or abbreviated...
5. Provide a detailed mechanism including curved arrows showing electron flow, intermediate structures, formal charges, and...
5. Provide a detailed mechanism including curved arrows showing electron flow, intermediate structures, formal charges, and reaction arrows. Be sure to show all relevant bonds. Then, answer the associated question. (11 points) TIP: This is much more straightforward than it looks. It's just two Michael Addition reactions. SiMey Me,Si Me 1. (2 equiv base), THF -78 °C to 0 °C -Me Me Me Me 2. H2O, HCI OMe Mel COMe Me Me td .OMe H-0-1 a. Lithium hexamethyldisilazide (LiHMDS) operates...
extra credit orgo chem NaBH MOH 1.Write two starting materials (five or fewer C's) that react...
extra credit orgo chem
NaBH MOH 1.Write two starting materials (five or fewer C's) that react to form the target molecule starting from any carbonyl compound and any organometallic reagent. OH Part IV. Mechanistic Puzzlers (16 pts) 10. Reduction of cyclohexanone using lithium aluminum hydride gives a deuterated alcohol when D.O is used instead of H.O in the workup step. Account for this outcome with a mechanism, showing curved arrows, the key intermediate, and lone pairs and charges. (6 pts)...
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...
Chapters 1-11 1. Carbenes are diradicals and can have a transient existence during many reaction (particularly...
Chapters 1-11 1. Carbenes are diradicals and can have a transient existence during many reaction (particularly with alkenes). Isopropylene, :C(CH3)2, is a example of a carbone. The two electrons can share the same orbital or occupy two different orbitals. Provide the expecte hybridization when the two electrons are spin unpaired. For when they Draw the atomic orbitals of each and identify the valence orbitals on the carbene. H Hoe & H₂O 2. Account for the fact that the following carbocation...
List Notes You may attempt this question 4 more times for credit Score: Sorry, you are...
List Notes You may attempt this question 4 more times for credit Score: Sorry, you are incorrect Answer(s): (Your response(s) are shown below.) Question 8.33 em tion The acid-catalyzed addition of alcohols to alkenes occurs via a mechanism analogous to acid-catalyzed alkene hydration. The reaction occurs in 3 1) Addition of H to the alkene, together with any possible carbocation rearrangements: 2) Addition of the alcohol to the carbocation: 3) Deprotonation to yield the product ether ation sage tages Draw...
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...
How to solve alkene and alkyne reactions - Merdanym i Act antalyzod Hrdian ca Come Lazarmistry...
How to solve alkene and alkyne reactions
- Merdanym i Act antalyzod Hrdian ca Come Lazarmistry I V WORKSHOP #9 Alkenes, Alkynes, Reactions 1. Give a reasonable mechanism for the following reaction. Clearly show intermediates and show the movement of electron pairs with curved arrows. all сна H20. (H2SO4) H₃C CH₂ нас он H3CX сна 2. The addition of HBr to 2-methylpropene can, in principle, give either 1-bromo-2- methylpropane or 2-bromo-2-methylpropane. In reality, only the latter is formed. Show mechanisms...
Determine the products for the acid base reactions
(include lone pairs and formal charges) indicate whether each is a
protonation or deprotonation. then rewrite the first 2 and include
mechanistic arrows to form the products
9. Determine the products for the acid-base reactions show below charges!). Indicate whether each reaction is a protonation or a the products of these acid base reactions have in common? NH HCI OH NaOH OH NaHCO3 OH NaOH 10. Rewrite the first 2 reactions above...
Q4a - The reaction of butan-2-ol with concentrated aqueous HBr goes with partial racemization, giving more inversion than retention of configuration. Propose a mechanism that accounts for partial inversion. Draw all the arrows to indicate movement of electrons, write all lone pairs involved into electron transfer, all formal charges, and all the products for each step. If a racemic mixture is formed, you may indicate this using a wavy line www or mark the chiral center with an asterisk (*),...
5. Provide a detailed mechanism including curved arrows showing electron flow intermediate structures, formal charges, and reaction arrows. Be sure to show relevant bonds. Then, answer the associated question. (11 points) TIP: This is much more straightforward than it looks. It's two Michael Addition reactions Me Me 1. (2 equiv base), THF -7B C to 0 C 2. H,O, HCI a. Lithium hexamethyldisilazide (LIHMDS) operates as a base in this mechanism. Another name for this is lithium bis(trimethylsilyl)amide or abbreviated...
5. Provide a detailed mechanism including curved arrows showing electron flow, intermediate structures, formal charges, and reaction arrows. Be sure to show all relevant bonds. Then, answer the associated question. (11 points) TIP: This is much more straightforward than it looks. It's just two Michael Addition reactions. SiMey Me,Si Me 1. (2 equiv base), THF -78 °C to 0 °C -Me Me Me Me 2. H2O, HCI OMe Mel COMe Me Me td .OMe H-0-1 a. Lithium hexamethyldisilazide (LiHMDS) operates...
extra credit orgo chem
NaBH MOH 1.Write two starting materials (five or fewer C's) that react to form the target molecule starting from any carbonyl compound and any organometallic reagent. OH Part IV. Mechanistic Puzzlers (16 pts) 10. Reduction of cyclohexanone using lithium aluminum hydride gives a deuterated alcohol when D.O is used instead of H.O in the workup step. Account for this outcome with a mechanism, showing curved arrows, the key intermediate, and lone pairs and charges. (6 pts)...
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...
Chapters 1-11 1. Carbenes are diradicals and can have a transient existence during many reaction (particularly with alkenes). Isopropylene, :C(CH3)2, is a example of a carbone. The two electrons can share the same orbital or occupy two different orbitals. Provide the expecte hybridization when the two electrons are spin unpaired. For when they Draw the atomic orbitals of each and identify the valence orbitals on the carbene. H Hoe & H₂O 2. Account for the fact that the following carbocation...
List Notes You may attempt this question 4 more times for credit Score: Sorry, you are incorrect Answer(s): (Your response(s) are shown below.) Question 8.33 em tion The acid-catalyzed addition of alcohols to alkenes occurs via a mechanism analogous to acid-catalyzed alkene hydration. The reaction occurs in 3 1) Addition of H to the alkene, together with any possible carbocation rearrangements: 2) Addition of the alcohol to the carbocation: 3) Deprotonation to yield the product ether ation sage tages Draw...
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...
How to solve alkene and alkyne reactions
- Merdanym i Act antalyzod Hrdian ca Come Lazarmistry I V WORKSHOP #9 Alkenes, Alkynes, Reactions 1. Give a reasonable mechanism for the following reaction. Clearly show intermediates and show the movement of electron pairs with curved arrows. all сна H20. (H2SO4) H₃C CH₂ нас он H3CX сна 2. The addition of HBr to 2-methylpropene can, in principle, give either 1-bromo-2- methylpropane or 2-bromo-2-methylpropane. In reality, only the latter is formed. Show mechanisms...
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