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5. (4 pts. each) Determine the most likely reaction(s) (Sx1,5x2, El or E2) that will occur...
E2 Reaction 2. Draw all constitutional isomers formed in each E2 reaction and predict the major...
E2 Reaction 2. Draw all constitutional isomers formed in each E2 reaction and predict the major product using the Zaitsev rule. Be OH El Reaction 3. What alkene is the major product formed from each alkyl halide in an El reaction? 4. Label the mechanism as SN2, SN1, E2 or El. You do not have to draw the product(s). CHO CH3-C-CH2-CH CH
1. A) Show each possible product for the reaction below and predict the major product. Be...
1. A) Show each possible product for the reaction below and predict the major product. Be sure. to include all geometric isomers. (1 pt) b Na B) Draw the rotamer that leads to the major product for the reaction above as a Newman projection. (1 pt) 2. Circle the substrates which can undergo elimination through the E2 mechanism. (Hint: substrates may not be drawn in the proper conformation for an E2 reaction). (0.5 pts) to x Kto 3. Circle the...
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...
(4 pts each, unless otherwise noted, 47 pts total) 9-17. Syntheses: draw / provide the likely...
(4 pts each, unless otherwise noted, 47 pts total) 9-17. Syntheses: draw / provide the likely organic product(s) generated in each of the reactions (or reaction sequences) below. As appropriate, pay attention to regiospecificity (new bond formation and location in the product formed) and stereochemistry (direction in space of new bond(s) formed). Indicate ALL likely products; where one product does not predominate, label / indicate the MAJOR product(s). Where a product mix results, indicate the MINOR or TRACE product(s). (12...
4. (31 pts) Provide the reaction product(s), and indicate the type of reactions (S1, S2, E1...
4. (31 pts) Provide the reaction product(s), and indicate the type of reactions (S1, S2, E1 and E2) and optical activity (Yes or No) in the round rectangles, respectively. If reaction does not take place, indicate "No Reaction" in the box. Draw 1 minor product Reaction type Reaction type Draw 2 major products Is the product optically active? Reaction type Draw 1 product CH2OH Is the product optically active? NaCN acetone Br Reaction type Draw 1 product LDA secondary alkyl-bromide...
4. (31 pts) Provide the reaction product(s), and indicate the type of reactions (S1, S2, E1...
4. (31 pts) Provide the reaction product(s), and indicate the type of reactions (S1, S2, E1 and E2) and optical activity (Yes or No) in the round rectangles, respectively. If reaction does not take place, indicate "No Reaction" in the box. Draw 1 minor product Reaction type Reaction type Draw 2 major products Is the product optically active? Reaction type Draw 1 product CH2OH Is the product optically active? NaCN acetone Br Reaction type Draw 1 product LDA secondary alkyl-bromide...
4. (31 pts) Provide the reaction product(s), and indicate the type of reactions (S1, S2, E1...
4. (31 pts) Provide the reaction product(s), and indicate the type of reactions (S1, S2, E1 and E2) and optical activity (Yes or No) in the round rectangles, respectively. If reaction does not take place, indicate "No Reaction" in the box. Draw 1 minor product Reaction type Reaction type Draw 2 major products Is the product optically active? Reaction type Draw 1 product CH2OH Is the product optically active? NaCN acetone Br Reaction type Draw 1 product LDA secondary alkyl-bromide...
8. [18 pts) Provide the expected organic product(s) from each of the reactions below. Ignore the...
8. [18 pts) Provide the expected organic product(s) from each of the reactions below. Ignore the stereochemistry. No mechanism required! (3 points for each organic product, switching the major and minor will be penalized) a. Major: NaOCH; E2 Br b. Major Minor OH E2 Br 3 products in total CH,OH ΕΙ 6. 19 pts] For each of the following reactions, give the organic product(s), and include the stereochemistry when applicable. No mechanism required! (3 points for each organic product) a....
For each of the following reactions, determine which ELIMINATION mechanism (E1 or E2) will occur. Alkyl...
For each of the following reactions, determine which ELIMINATION mechanism (E1 or E2) will occur. Alkyl Halide Substitution: Methyl 1° 2° 3° Base Strength: Strong Weak Mechanism Type: E1 E2 Draw the mechanism that leads to ALL products for the reaction. Finally, underline the major product of the elimination reaction: H3C OH H2C H2C1 Br CHE
4. Predict the products of the following reactions & indicate whether they are most likely to...
4. Predict the products of the following reactions & indicate whether they are most likely to go through an SN2, SN1, E1, or E2 mechanism. NaCN DMSO NaOH CH3OH heat Only one product is formed in the following E2 elimination reaction. Draw an arrow-pushing mechanism for the reaction and provide the correct product structure. Include a 3-D drawing (chair conformation) displaying proper stereochemistry of the transition state to explain formation of only the major product. CH3 •Br NaOCH3 ~"'CHS
E2 Reaction 2. Draw all constitutional isomers formed in each E2 reaction and predict the major product using the Zaitsev rule. Be OH El Reaction 3. What alkene is the major product formed from each alkyl halide in an El reaction? 4. Label the mechanism as SN2, SN1, E2 or El. You do not have to draw the product(s). CHO CH3-C-CH2-CH CH
1. A) Show each possible product for the reaction below and predict the major product. Be sure. to include all geometric isomers. (1 pt) b Na B) Draw the rotamer that leads to the major product for the reaction above as a Newman projection. (1 pt) 2. Circle the substrates which can undergo elimination through the E2 mechanism. (Hint: substrates may not be drawn in the proper conformation for an E2 reaction). (0.5 pts) to x Kto 3. Circle the...
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...
(4 pts each, unless otherwise noted, 47 pts total) 9-17. Syntheses: draw / provide the likely organic product(s) generated in each of the reactions (or reaction sequences) below. As appropriate, pay attention to regiospecificity (new bond formation and location in the product formed) and stereochemistry (direction in space of new bond(s) formed). Indicate ALL likely products; where one product does not predominate, label / indicate the MAJOR product(s). Where a product mix results, indicate the MINOR or TRACE product(s). (12...
4. (31 pts) Provide the reaction product(s), and indicate the type of reactions (S1, S2, E1 and E2) and optical activity (Yes or No) in the round rectangles, respectively. If reaction does not take place, indicate "No Reaction" in the box. Draw 1 minor product Reaction type Reaction type Draw 2 major products Is the product optically active? Reaction type Draw 1 product CH2OH Is the product optically active? NaCN acetone Br Reaction type Draw 1 product LDA secondary alkyl-bromide...
4. (31 pts) Provide the reaction product(s), and indicate the type of reactions (S1, S2, E1 and E2) and optical activity (Yes or No) in the round rectangles, respectively. If reaction does not take place, indicate "No Reaction" in the box. Draw 1 minor product Reaction type Reaction type Draw 2 major products Is the product optically active? Reaction type Draw 1 product CH2OH Is the product optically active? NaCN acetone Br Reaction type Draw 1 product LDA secondary alkyl-bromide...
4. (31 pts) Provide the reaction product(s), and indicate the type of reactions (S1, S2, E1 and E2) and optical activity (Yes or No) in the round rectangles, respectively. If reaction does not take place, indicate "No Reaction" in the box. Draw 1 minor product Reaction type Reaction type Draw 2 major products Is the product optically active? Reaction type Draw 1 product CH2OH Is the product optically active? NaCN acetone Br Reaction type Draw 1 product LDA secondary alkyl-bromide...
8. [18 pts) Provide the expected organic product(s) from each of the reactions below. Ignore the stereochemistry. No mechanism required! (3 points for each organic product, switching the major and minor will be penalized) a. Major: NaOCH; E2 Br b. Major Minor OH E2 Br 3 products in total CH,OH ΕΙ 6. 19 pts] For each of the following reactions, give the organic product(s), and include the stereochemistry when applicable. No mechanism required! (3 points for each organic product) a....
For each of the following reactions, determine which ELIMINATION mechanism (E1 or E2) will occur. Alkyl Halide Substitution: Methyl 1° 2° 3° Base Strength: Strong Weak Mechanism Type: E1 E2 Draw the mechanism that leads to ALL products for the reaction. Finally, underline the major product of the elimination reaction: H3C OH H2C H2C1 Br CHE
4. Predict the products of the following reactions & indicate whether they are most likely to go through an SN2, SN1, E1, or E2 mechanism. NaCN DMSO NaOH CH3OH heat Only one product is formed in the following E2 elimination reaction. Draw an arrow-pushing mechanism for the reaction and provide the correct product structure. Include a 3-D drawing (chair conformation) displaying proper stereochemistry of the transition state to explain formation of only the major product. CH3 •Br NaOCH3 ~"'CHS
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