The nucleophile for all these reactions is
OH. The first one can create two products, and the others can only
create one. How do you know whether a reaction can create multiple
products by looking at the haloalkane/ene?
Homework Answers
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The nucleophile for all these reactions is
OH. The first one can create two products, and...
How can you tell just by looking at the reactant whether there is one product or...
How can you tell just by looking at the
reactant whether there is one product or two products?
Br Br CH-CH2 CH3-CH-CH2-CH3 | Br CH3-¢-CH=CH2 CHE E2-Z E2 Ez
Which of the following is true for reactions A, B, and C? 8. CH3CH2CH,+ Br CH,CH2CH2...
Which of the following is true for reactions A, B, and C? 8. CH3CH2CH,+ Br CH,CH2CH2 + HBr CH CH2CH, + Br CH CH CH3 + HBr CH CH:CH; + Cl CH,CH-СH, + HCI A C a. Reaction A has the lowest activation energy b. Reaction B is the fastest reaction c. Reaction C has the lowest activation energy d. Reaction C is the slowest reaction 9. Which of the following statements is false? a. The rates of Sy1 reactions...
please indicate stereochemistry (20 marks) 1. Identify each of the following reactions as SN1, SN2, E1,...
please indicate stereochemistry
(20 marks) 1. Identify each of the following reactions as SN1, SN2, E1, or E2 and give the products formed in each case, and indicate the stereochemistry of the product if appropriate (mechanisms are not required). If no reaction would occur, indicate this with N.R. forno reaction" and give the reason for which you don't expect a product. a) E HEC-CH2-C...Br (CH3),C07 (CH3),COH CHE 70°C CH3 SN2 Morand SN2 H H₃C-CH2-c...Br. CN/DMSO in CH 25°C d) Br...
Complete the following reactions. Be sure to evaluate each reaction in terms of substrate, nucleophile, leaving...
Complete the following reactions. Be sure to evaluate each
reaction in terms of substrate, nucleophile, leaving group, and
solvent in order to best judge the nature of the reaction and the
products formed.
Complete the following reactions. Be sure to evaluate each reaction in terms of substrate, nucleophile, leaving group and solvent in order to best judge the nature of the reaction and the product(s) formed. (5 pts) CH2O СН,ОН H₃C & CH₂ H₂O. Ethanol CH3 CH,Br OH CHCN Which...
How are the following two compounds related? CH CH3 HO -H HO -Н Given the following...
How are the following two compounds related? CH CH3 HO -H HO -Н Given the following substitution reaction, what would the effect be of changing the solvent from CH3OH to (CH3)2S=0? H- OH H OH VS HO -H H -OH H -OH HO H + CH (CH2CH2-Br NaOH CH;(CH2), CH2-OH + NaBr CH OH CH2OH A. The reaction rate will increase. OB. There is no effect on the rate of the reaction, C. The reaction rate will decrease. Give the...
Complete the following with the correct products, label Zaitsev and Hofmann, and explain why the reaction...
Complete the following with the correct products, label Zaitsev and Hofmann, and explain why the reaction is either regioselective or stereoselective. (6 pts.) D -Br Nahi Complete each of the following reactions by adding the starting material, reaction conditions, or all possible product(s) - label major/minor - Sx2. Sx1, E2 or E1. (33 pts.) (CH3),COK DMF C(CH3) NaOH DMSO CH OH heat Ph H+Br NaOCH, H+CHE Ph DMF SK DMF o (only product)
How to properly solve these elimination and addition reactions Elimination and Addition reactions Purpose: Fi...
How to properly solve these elimination and addition
reactions
Elimination and Addition reactions Purpose: Figuring out the ways that molecules react is the province of the mechanistic chemist. By understanding the mechanisms of reactions, the chemist can manipulate the experimental variables to favor one product over another. This element of control is the province of the synthetic organic chemist. This Workshop continues to explore how we know how molecules react and how this knowledge leads to control of the products....
For the first six blanks, please choose only options from the dropdown menus provided below the...
For the first six blanks, please choose only options from the
dropdown menus provided below the pictures.
Dropdown Menus:
1. methyl, primary (unhindered), primary (hindered), secondary,
tertiary
2. poor, weakly basic, strongly basic (hindered), strongly basic
(unhindered)
3. protic, aprotic
4. SN2, SN1, E1, E2, SN2 AND E2, SN1 AND E1, No Reaction
5. randomized, inverted, predictable but not inverted,
unchanged
6. a planar carbocation intermediate, backside attack transition
state, anti-periplanar transition state, other
CH3OH ~ ??? Br - în...
4. (31 pts) Provide the reaction products and indicate the type of reactions ( I, UL,...
4. (31 pts) Provide the reaction products and indicate the type of reactions ( I, UL, TE EZ) and optical activity (Yes or No) in the round rectangles, respectively. If reaction does not take place, indicate "No Reaction" in the box Draw 2 major products Reaction type Snd Draw 1 minor product Reaction type EL VW Is the product optically active? ha Draw 1 product Reaction type EZ Сн,он NaCN acetone Is the product optically active? ho Br Draw 1...
_1. An alkyl halide which might be expected to undergo rearrangement under Snl or E1 conditions...
_1. An alkyl halide which might be expected to undergo rearrangement under Snl or E1 conditions is: HZC Br CH3 A. 1 B. | F—CH,BH C. CH3-C-CH-CH, CHz CH3 D. CH3 CH3-C-CH2CH2-Br CH3 E. A Br 2. Your task is to convert 2-chloropentane into 1-pentene. Which reagents would you choose? a) NaOH/H20 b) KOH/CH3OH c) CH3ONa/CH3OH d) CH3CH2ONa/CH3CH2OH e) (CH3)3COK/(CH3)3COH 3. Circle the reaction below which is faster in polar protic solvents. OH,H,O A. CH,CH,CH,Br- CH,CH,CH,OH + Br or SH.RSH...
How can you tell just by looking at the
reactant whether there is one product or two products?
Br Br CH-CH2 CH3-CH-CH2-CH3 | Br CH3-¢-CH=CH2 CHE E2-Z E2 Ez
Which of the following is true for reactions A, B, and C? 8. CH3CH2CH,+ Br CH,CH2CH2 + HBr CH CH2CH, + Br CH CH CH3 + HBr CH CH:CH; + Cl CH,CH-СH, + HCI A C a. Reaction A has the lowest activation energy b. Reaction B is the fastest reaction c. Reaction C has the lowest activation energy d. Reaction C is the slowest reaction 9. Which of the following statements is false? a. The rates of Sy1 reactions...
please indicate stereochemistry
(20 marks) 1. Identify each of the following reactions as SN1, SN2, E1, or E2 and give the products formed in each case, and indicate the stereochemistry of the product if appropriate (mechanisms are not required). If no reaction would occur, indicate this with N.R. forno reaction" and give the reason for which you don't expect a product. a) E HEC-CH2-C...Br (CH3),C07 (CH3),COH CHE 70°C CH3 SN2 Morand SN2 H H₃C-CH2-c...Br. CN/DMSO in CH 25°C d) Br...
Complete the following reactions. Be sure to evaluate each
reaction in terms of substrate, nucleophile, leaving group, and
solvent in order to best judge the nature of the reaction and the
products formed.
Complete the following reactions. Be sure to evaluate each reaction in terms of substrate, nucleophile, leaving group and solvent in order to best judge the nature of the reaction and the product(s) formed. (5 pts) CH2O СН,ОН H₃C & CH₂ H₂O. Ethanol CH3 CH,Br OH CHCN Which...
How are the following two compounds related? CH CH3 HO -H HO -Н Given the following substitution reaction, what would the effect be of changing the solvent from CH3OH to (CH3)2S=0? H- OH H OH VS HO -H H -OH H -OH HO H + CH (CH2CH2-Br NaOH CH;(CH2), CH2-OH + NaBr CH OH CH2OH A. The reaction rate will increase. OB. There is no effect on the rate of the reaction, C. The reaction rate will decrease. Give the...
Complete the following with the correct products, label Zaitsev and Hofmann, and explain why the reaction is either regioselective or stereoselective. (6 pts.) D -Br Nahi Complete each of the following reactions by adding the starting material, reaction conditions, or all possible product(s) - label major/minor - Sx2. Sx1, E2 or E1. (33 pts.) (CH3),COK DMF C(CH3) NaOH DMSO CH OH heat Ph H+Br NaOCH, H+CHE Ph DMF SK DMF o (only product)
How to properly solve these elimination and addition
reactions
Elimination and Addition reactions Purpose: Figuring out the ways that molecules react is the province of the mechanistic chemist. By understanding the mechanisms of reactions, the chemist can manipulate the experimental variables to favor one product over another. This element of control is the province of the synthetic organic chemist. This Workshop continues to explore how we know how molecules react and how this knowledge leads to control of the products....
For the first six blanks, please choose only options from the
dropdown menus provided below the pictures.
Dropdown Menus:
1. methyl, primary (unhindered), primary (hindered), secondary,
tertiary
2. poor, weakly basic, strongly basic (hindered), strongly basic
(unhindered)
3. protic, aprotic
4. SN2, SN1, E1, E2, SN2 AND E2, SN1 AND E1, No Reaction
5. randomized, inverted, predictable but not inverted,
unchanged
6. a planar carbocation intermediate, backside attack transition
state, anti-periplanar transition state, other
CH3OH ~ ??? Br - în...
4. (31 pts) Provide the reaction products and indicate the type of reactions ( I, UL, TE EZ) and optical activity (Yes or No) in the round rectangles, respectively. If reaction does not take place, indicate "No Reaction" in the box Draw 2 major products Reaction type Snd Draw 1 minor product Reaction type EL VW Is the product optically active? ha Draw 1 product Reaction type EZ Сн,он NaCN acetone Is the product optically active? ho Br Draw 1...
_1. An alkyl halide which might be expected to undergo rearrangement under Snl or E1 conditions is: HZC Br CH3 A. 1 B. | F—CH,BH C. CH3-C-CH-CH, CHz CH3 D. CH3 CH3-C-CH2CH2-Br CH3 E. A Br 2. Your task is to convert 2-chloropentane into 1-pentene. Which reagents would you choose? a) NaOH/H20 b) KOH/CH3OH c) CH3ONa/CH3OH d) CH3CH2ONa/CH3CH2OH e) (CH3)3COK/(CH3)3COH 3. Circle the reaction below which is faster in polar protic solvents. OH,H,O A. CH,CH,CH,Br- CH,CH,CH,OH + Br or SH.RSH...
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