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0113k NaDH.102 4. Please outline the reaction sequence for each of these multi-step syntheses. Note. You...
2. Design multi-step syntheses for TWO of the following targets. Show the reagents needed for each...
2. Design multi-step syntheses for TWO of the following targets. Show the reagents needed for each step and the product of each step. Special conditions: You must use cyclopentadiene as your starting material for all syntheses. You may use organic reagents containing 4 or fewer carbons, and any inorganic reagents. For any Diels-Alder reaction that you use (necessary for all targets!), the dienophile must be an a,ß-unsaturated carbonyl compound. Target 1: HO D Target 2: Doe Target 3: ro Target...
Question 5. (16 marks) Complete the reactions to show the multi-step syntheses of each product. Reaction conditions go...
Question 5. (16 marks) Complete the reactions to show the multi-step syntheses of each product. Reaction conditions go in boxes above arrows (1 reaction/box). Complete the template molecules provided in each box to show each step of the synthesis. Hint This question involves addition, elimination, substitution and alcohol chemistry а) Br (R)-2-bromo-3-methylbutanc но. CN (1-cyano-3-methylbutan-1-ol b) 2-methylbut-2-ene 2-methylbut-1-ene но. Page 10 of 11
3) Complete the reactions to show the multi-step syntheses of each product from (R)-2 bromo-3-methylbutane. Reaction...
3) Complete the reactions to show the multi-step syntheses of each product from (R)-2 bromo-3-methylbutane. Reaction conditions go in boxes above arrows (1 reaction/box) Complete the template molecules provided to show each step of the synthesis. [20] Hint- This question involves addition, elimination, substitution and alcohol chemistry Br (R)-2-bromo-3-methylbutane 3-methylbutan-1-ol (R)-2-bromo-3-methylbutane (R)-3-bromo-2 methylbutan-2-ol (R)-2-bromo-3-methylbutane (1-chloro-2-methylbutane (R)-2-bromo-3-methylbutane CN ()-1-cyano-3-methylbutan-1-ol
The use of Grignard reagents in multi-step synthesis is widely employed. For each of the reaction...
The use of Grignard reagents in
multi-step synthesis is widely employed. For each of the reaction
sequences below, draw the major organic product that would be
present after each reaction of the sequence. No mechanisms, no
explanations, just draw the products (in total, 14 reaction
products A to N are required). You may have to consult your lecture
material and/or the textbook to solve some of these problems
The use of Grignard reagents in multi-step synthesis is widely employed. For...
4. Provide a detailed mechanism for each part of the Hell-Volhard-Zelinsky Reaction below. Note that this...
4. Provide a detailed mechanism for each part of the Hell-Volhard-Zelinsky Reaction below. Note that this reaction is covered in our textbook (among many sections) and that the reaction conditions are modified slightly. Be sure to account for this and be as detailed in every step as possible. Do not create reagents that are not made logically in the pathway (no HBr essentially so it's a "neutral" pathway). Include all curved arrows, reaction arrows, reaction intermed iates, formal charges, and...
4. Provide a detailed mechanism for each part of the Hell-Volhard-Zelinsky Reaction below. Note that this...
4. Provide a detailed mechanism for each part of the Hell-Volhard-Zelinsky Reaction below. Note that this reaction is covered in our textbook (among many sections) and that the reaction conditions are modified slightly. Be sure to account for this and be as detailed in every step as possible. Do not create reagents that are not made logically in the pathway (no HBr essentially so it's a "neutral" pathway). Include all curved arrows, reaction arrows, reaction intermediates, formal charges, and any...
Provide a detailed mechanism for each part of the Hell-Volhard-Zelinsky Reaction below. Note that this reaction...
Provide a detailed mechanism for each part of the Hell-Volhard-Zelinsky Reaction below. Note that this reaction is covered in our textbook (among many sections) and that the reaction conditions are modified slightly. Be sure to account for this and be as detailed in every step as possible. Do not create reagents that are not made logically in the pathway (no HBr essentially so it's a "neutral" pathway). Include all curved arrows, reaction arrows, reaction intermediates, formal charges, and any other...
can you please explain each step and why its occurring!! can you explain why each step...
can you please explain each step and why its occurring!!
can you explain why each step is occuring as well. please! 3. Show how the following conversions could be carried out in three or fewer steps. Provide structures for each intermediate, which would be isolated and indicate reagents and conditions for each step. Pay close attention to stereochemistry. CH3 ...CH • ? for • 208 OCH2CH3
Consider the reaction below. Note that the stereochemistry of the product is now shown: 12 points....
Consider the reaction below. Note that the stereochemistry of the product is now shown: 12 points. 5. Br2 CH2Cl2 Br Br a. Draw the most stable chair conformation of the starting material (i.e. the alkene). Use the chair template provided on your answer sheet. You do not need to draw ring hydrogens. (2 points) b. Draw a detailed stepwise mechanism for the reaction. Draw all intermediates and use curved arrows to show 'electron movement'. If multiple stereoisomers of the same...
4) (2 pts each) Outline a synthesis (i.e., simply show the reagents/reactants for the necessary reactions)...
4) (2 pts each) Outline a synthesis (i.e., simply show the reagents/reactants for the necessary reactions) for each compound below from the designated starting material. Use reagents you've learned about in Orgo I and II. The number of arrows does not necessarily correspond to the number of steps required. As a general rule, any carbon units in the products that were not in the starting materials should come from molecules containing 7 or fewer carbons. Things that don't end up...
2. Design multi-step syntheses for TWO of the following targets. Show the reagents needed for each step and the product of each step. Special conditions: You must use cyclopentadiene as your starting material for all syntheses. You may use organic reagents containing 4 or fewer carbons, and any inorganic reagents. For any Diels-Alder reaction that you use (necessary for all targets!), the dienophile must be an a,ß-unsaturated carbonyl compound. Target 1: HO D Target 2: Doe Target 3: ro Target...
Question 5. (16 marks) Complete the reactions to show the multi-step syntheses of each product. Reaction conditions go in boxes above arrows (1 reaction/box). Complete the template molecules provided in each box to show each step of the synthesis. Hint This question involves addition, elimination, substitution and alcohol chemistry а) Br (R)-2-bromo-3-methylbutanc но. CN (1-cyano-3-methylbutan-1-ol b) 2-methylbut-2-ene 2-methylbut-1-ene но. Page 10 of 11
3) Complete the reactions to show the multi-step syntheses of each product from (R)-2 bromo-3-methylbutane. Reaction conditions go in boxes above arrows (1 reaction/box) Complete the template molecules provided to show each step of the synthesis. [20] Hint- This question involves addition, elimination, substitution and alcohol chemistry Br (R)-2-bromo-3-methylbutane 3-methylbutan-1-ol (R)-2-bromo-3-methylbutane (R)-3-bromo-2 methylbutan-2-ol (R)-2-bromo-3-methylbutane (1-chloro-2-methylbutane (R)-2-bromo-3-methylbutane CN ()-1-cyano-3-methylbutan-1-ol
The use of Grignard reagents in
multi-step synthesis is widely employed. For each of the reaction
sequences below, draw the major organic product that would be
present after each reaction of the sequence. No mechanisms, no
explanations, just draw the products (in total, 14 reaction
products A to N are required). You may have to consult your lecture
material and/or the textbook to solve some of these problems
The use of Grignard reagents in multi-step synthesis is widely employed. For...
4. Provide a detailed mechanism for each part of the Hell-Volhard-Zelinsky Reaction below. Note that this reaction is covered in our textbook (among many sections) and that the reaction conditions are modified slightly. Be sure to account for this and be as detailed in every step as possible. Do not create reagents that are not made logically in the pathway (no HBr essentially so it's a "neutral" pathway). Include all curved arrows, reaction arrows, reaction intermed iates, formal charges, and...
4. Provide a detailed mechanism for each part of the Hell-Volhard-Zelinsky Reaction below. Note that this reaction is covered in our textbook (among many sections) and that the reaction conditions are modified slightly. Be sure to account for this and be as detailed in every step as possible. Do not create reagents that are not made logically in the pathway (no HBr essentially so it's a "neutral" pathway). Include all curved arrows, reaction arrows, reaction intermediates, formal charges, and any...
Provide a detailed mechanism for each part of the Hell-Volhard-Zelinsky Reaction below. Note that this reaction is covered in our textbook (among many sections) and that the reaction conditions are modified slightly. Be sure to account for this and be as detailed in every step as possible. Do not create reagents that are not made logically in the pathway (no HBr essentially so it's a "neutral" pathway). Include all curved arrows, reaction arrows, reaction intermediates, formal charges, and any other...
can you please explain each step and why its occurring!!
can you explain why each step is occuring as well. please! 3. Show how the following conversions could be carried out in three or fewer steps. Provide structures for each intermediate, which would be isolated and indicate reagents and conditions for each step. Pay close attention to stereochemistry. CH3 ...CH • ? for • 208 OCH2CH3
Consider the reaction below. Note that the stereochemistry of the product is now shown: 12 points. 5. Br2 CH2Cl2 Br Br a. Draw the most stable chair conformation of the starting material (i.e. the alkene). Use the chair template provided on your answer sheet. You do not need to draw ring hydrogens. (2 points) b. Draw a detailed stepwise mechanism for the reaction. Draw all intermediates and use curved arrows to show 'electron movement'. If multiple stereoisomers of the same...
4) (2 pts each) Outline a synthesis (i.e., simply show the reagents/reactants for the necessary reactions) for each compound below from the designated starting material. Use reagents you've learned about in Orgo I and II. The number of arrows does not necessarily correspond to the number of steps required. As a general rule, any carbon units in the products that were not in the starting materials should come from molecules containing 7 or fewer carbons. Things that don't end up...
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