Homework Answers
For SN2 - strong nucleophile and polar aprotic solvent is required which is present in 1st reaction.
For E2 - strong base and heat is required which is present in second and fourth reaction.
For SN1 - weak nucleophile is required which is present in third reaction.
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UNUN LILL 1. Describe the following chemical reactions as SNI. SN2. El & E. Draw a...
8. Complete the following reactions. Mention the type of mechanism (SNI, SN2, El or E2) that...
8. Complete the following reactions. Mention the type of mechanism (SNI, SN2, El or E2) that each reaction follows. Mention major and minor peoducts.(4) E.2 (CHСОН Br al 100°C E2 NaOCH, Heat CHy b) E I CH,ONa CH ОН, 100°C CHy E I conc. H,SO4 OH d) heat 5
please explain why and how they are E2/SN2/SN1/E1 3. Draw a structural formula for the major organic product(s) of e...
please explain why and how they are E2/SN2/SN1/E1
3. Draw a structural formula for the major organic product(s) of each reaction and specify the mechanism by which each product is formed (SNI, S2, El, or E2). • NaOH H20 CH,CH ON CH,CH OH CH ON CH,OH CH OH Na DMSO
Key Topics: Nucleophilic Substitution Reactions (SNI or SN2. Reactions using PBr3. SOCI, or TCI. In the...
Key Topics: Nucleophilic Substitution Reactions (SNI or SN2. Reactions using PBr3. SOCI, or TCI. In the empty boxes, draw the structure of the MAJOR organic product expected following each reaction shown. If the reaction involves an SN2 reaction (or involves an SN2 step in the overall mechanism) clearly show the correct stereochemistry that will be observed in the product. Two of the reactions will involve a carbocation rearrangement. (4pts for each correct Major product drawn) H*, MeOH HO NaOH NaCN...
describe each as Sn1, Sn2, E1 and E2 then draw a curved arrow mechanism for each reaction. NaSH DMSO SH KOH HO DMSO...
describe each as Sn1, Sn2, E1 and E2 then draw a
curved arrow mechanism for each reaction.
NaSH DMSO SH KOH HO DMSO Br NANH NH3 OTs NH TsO TsO CHs CH3 Nal CH3 acetone CH O O
2 Ws 1. For each of the following SN2 reactions, (i) draw the chemical reaction (reactants...
2 Ws 1. For each of the following SN2 reactions, (i) draw the chemical reaction (reactants and products) (ii) show the proper mechanism (iii) draw the transition states a. (S)-2-chlorobutane and NaSH b. (R)-3-iodohexane and NaOH c. (R)-2-bromohexane and NaCN d. 1-bromocycloheptane and NaOH e. Ethyl iodide and sodium actate (CH:CO2Na) Br NaOH Na o NaOH Br NaCN DMF ONA 1,2-dibromoethane Nao
:. Predict the major product of the following reactions and identify if it is SN2, SNI/EI...
:. Predict the major product of the following reactions and identify if it is SN2, SNI/EI or E2. A. CNaOMe MeOH Major Products) B. NaCI DMSO Major Product(s) Mechanism C. MeOH Major Product(s) Mechanism D. Br NaShH Major Producs) Mechanism E. EtOH Major Product(s Mechanism
3. Determine the mechanism of nucleophilic substitution (SNI or SN2) for each reaction and draw the products. Be aw...
3. Determine the mechanism of nucleophilic substitution (SNI or SN2) for each reaction and draw the products. Be aware of stereochemistry. 8 + CN - dletone m et och cun, DE Br + OCH₂ CH₂ DME 4. Draw all constitutional isomers formed during each elimination reaction after determining whether it is E1 or E2. habel it as El or E2. госна. a y "ocha, B b. Tă CH₃OH Br -OH
How can you tell what is a weak/strong nucleophile and a weak/strong base to determine what mechanism you use (SN1, SN2,...
How can you tell what is a weak/strong nucleophile and
a weak/strong base to determine what mechanism you use (SN1, SN2,
E1, E2)?
3. Draw a structural formula for the major organic product(s) of each reaction and specify the mechanism by which each product is formed (SNI, SN2, El, or E2). NaOH HO CH2CH ON CH3CH OH CHON CH,OH CH,OH DMSO
Draw the products of the following reaction and identify the following as SN1, SN2. For letters...
Draw the products of
the following reaction and identify the following as SN1, SN2. For
letters G and H.
NaOH DMSO g. OB Br NaCN h. 2.. Draw the products of the following reaction and label the follow SN2, E1 or E2 reaction. { HEAT FAVORS ELIMINATION}(18 poi 0BN is a bulty hindved proton C 30 carbau so v CH3 CI DBN a. El el Br NaOEt, heat - NaBv Na08t isa protic solvcut ad involee Ad cliuinitiar Readrans b....
Practice Problems on S, S2 E1 &E2 1. Describe the ollowing chemical reactions as Sl, S2,...
Practice Problems on S, S2 E1 &E2 1. Describe the ollowing chemical reactions as Sl, S2, El & E Draw a curved arow mechanim for each resction CHCHO N ethanol NaSH DMSO SH Кон но DMSO NaNH2 NH3 отв NH3 HN TsO TsO CH CHg Nal CHs acetone
8. Complete the following reactions. Mention the type of mechanism (SNI, SN2, El or E2) that each reaction follows. Mention major and minor peoducts.(4) E.2 (CHСОН Br al 100°C E2 NaOCH, Heat CHy b) E I CH,ONa CH ОН, 100°C CHy E I conc. H,SO4 OH d) heat 5
please explain why and how they are E2/SN2/SN1/E1
3. Draw a structural formula for the major organic product(s) of each reaction and specify the mechanism by which each product is formed (SNI, S2, El, or E2). • NaOH H20 CH,CH ON CH,CH OH CH ON CH,OH CH OH Na DMSO
Key Topics: Nucleophilic Substitution Reactions (SNI or SN2. Reactions using PBr3. SOCI, or TCI. In the empty boxes, draw the structure of the MAJOR organic product expected following each reaction shown. If the reaction involves an SN2 reaction (or involves an SN2 step in the overall mechanism) clearly show the correct stereochemistry that will be observed in the product. Two of the reactions will involve a carbocation rearrangement. (4pts for each correct Major product drawn) H*, MeOH HO NaOH NaCN...
describe each as Sn1, Sn2, E1 and E2 then draw a
curved arrow mechanism for each reaction.
NaSH DMSO SH KOH HO DMSO Br NANH NH3 OTs NH TsO TsO CHs CH3 Nal CH3 acetone CH O O
2 Ws 1. For each of the following SN2 reactions, (i) draw the chemical reaction (reactants and products) (ii) show the proper mechanism (iii) draw the transition states a. (S)-2-chlorobutane and NaSH b. (R)-3-iodohexane and NaOH c. (R)-2-bromohexane and NaCN d. 1-bromocycloheptane and NaOH e. Ethyl iodide and sodium actate (CH:CO2Na) Br NaOH Na o NaOH Br NaCN DMF ONA 1,2-dibromoethane Nao
:. Predict the major product of the following reactions and identify if it is SN2, SNI/EI or E2. A. CNaOMe MeOH Major Products) B. NaCI DMSO Major Product(s) Mechanism C. MeOH Major Product(s) Mechanism D. Br NaShH Major Producs) Mechanism E. EtOH Major Product(s Mechanism
3. Determine the mechanism of nucleophilic substitution (SNI or SN2) for each reaction and draw the products. Be aware of stereochemistry. 8 + CN - dletone m et och cun, DE Br + OCH₂ CH₂ DME 4. Draw all constitutional isomers formed during each elimination reaction after determining whether it is E1 or E2. habel it as El or E2. госна. a y "ocha, B b. Tă CH₃OH Br -OH
How can you tell what is a weak/strong nucleophile and
a weak/strong base to determine what mechanism you use (SN1, SN2,
E1, E2)?
3. Draw a structural formula for the major organic product(s) of each reaction and specify the mechanism by which each product is formed (SNI, SN2, El, or E2). NaOH HO CH2CH ON CH3CH OH CHON CH,OH CH,OH DMSO
Draw the products of
the following reaction and identify the following as SN1, SN2. For
letters G and H.
NaOH DMSO g. OB Br NaCN h. 2.. Draw the products of the following reaction and label the follow SN2, E1 or E2 reaction. { HEAT FAVORS ELIMINATION}(18 poi 0BN is a bulty hindved proton C 30 carbau so v CH3 CI DBN a. El el Br NaOEt, heat - NaBv Na08t isa protic solvcut ad involee Ad cliuinitiar Readrans b....
Practice Problems on S, S2 E1 &E2 1. Describe the ollowing chemical reactions as Sl, S2, El & E Draw a curved arow mechanim for each resction CHCHO N ethanol NaSH DMSO SH Кон но DMSO NaNH2 NH3 отв NH3 HN TsO TsO CH CHg Nal CHs acetone
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