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Question 2: Determine in the following examples if the base is strong enough to deprotonate the...
2) Order the following alkenes from most stable to least stable Нас Нас с-сн, н,с Hас +C- Нас н CHs -CH3 H Hе mos...
2) Order the following alkenes from most stable to least stable Нас Нас с-сн, н,с Hас +C- Нас н CHs -CH3 H Hе most stable least stable (a) I (b) I (c) I ll (d) 7) Order the following C-H bonds from strongest to weakest. strongest weakest (a) (b) (c) II (d) 8) Which of the following is represents the lowest energy transition state for the addition of BH, to 2-methyl-1-propene? quCH «сHs нСи Нас (b) (a) Нив--н H H...
help with all of these ! Question 8: Which is the better retrosynthesis for the given target molecule? Explain and...
help with all of these !
Question 8: Which is the better retrosynthesis for the given target molecule? Explain and provide a one-step synthesis of the target molecule. Br Br Hас Hас Hас .CH3 b) NaQH CHy Question 7: Draw the plausible mechanism for each of the folllowing transformations: a) CHy Не нс CHs CH СH, CH3 conc. H,SO -CH3 heat CH он Question 5 Predict the major and minor products for the following reactions: a) NaSH Н,с b) Br...
2. Which carbon would the Br of HBr add to if the following unsymmetrical alkenes were...
2. Which carbon would the Br of HBr add to if the following unsymmetrical alkenes were allowed to react with 48% HBr ( 48 % HBr is the highest concentration of HBr in water- the water is just a solvent)? b. C. н e. Нас a. н CH-Cн Hас. Н сH CH3 CH3 the C-C in the ring do not react with H
H D) Suggest a method to efficiently synthesize each of the following molecules from an alkene using the reactions....
H D) Suggest a method to efficiently synthesize each of the following molecules from an alkene using the reactions. we have learned so far. Give the starting alkene and all reagents necessary. In order for the synthesis to be efficient, the desired product should be the major product formed Br Н,с, На Нс 1 CH3 сH, он На сH CH3 2 Нас" Reicion P ,Br 3 осн, CHy Br Н,с. Нас
Please help me with these questions,. Draw the major product of the following reaction Question 8...
Please help me with these questions,.
Draw the major product of the following reaction Question 8 н+ Нас Нас CH3 CH3 но CHзон CHз Create OscerSketch Answer 8 Incorrect: Answer has an incorrect structure. Complete the following synthesis by selecting from the list of 10 reagents below. Each reagent (or set of reagents) is labeled as a letter. In the answer box, simply place the order of reagents used as uppercase letters. For example, if your synthesis involves using reagent...
QUESTION 1 2 points Save Answer Which statement applies to halide S N 1, but NOT...
QUESTION 1 2 points Save Answer Which statement applies to halide S N 1, but NOT SN 2 substitution reactions? Reaction is favored because a weaker base is produced. The nucleophile substitutes the leaving group in the substrate. A carbocation intermediate is involved in the reaction Halogens act as leaving group. QUESTION 2 2 points Save Answer What is the expect product for the following reaction HCEN CHз Нс Br Cн Нас Br CH3 Нас CH3 Нас CN CH3 Hас...
06 Question (2 points) e See page 587 Predict the major organic product formed upon treatment of the following diene wi...
06 Question (2 points) e See page 587 Predict the major organic product formed upon treatment of the following diene with hydroiodic acid under cold conditions. Be sure your answer accounts for regiochemistry and stereochemistry, where appropriate. ҫн, Нас CHн, НI CH3 Н,с -78 °C Н,с Cн, CH3 7th attempt See Periodic Table See Hint If the reaction will provide more than one stereoisomer product, draw all possible products using appropriate wedges and dashes.
1. (4 pts) Rank each of the following carbocations in order of stability (1 most stable...
1. (4 pts) Rank each of the following carbocations in order of stability (1 most stable and 4 least stable). н н сH н Н,с Н,с" H сH; CH3 Hас- H 2. (6 pts total; 2 pts each) Complete the following transformations by indicating the reactant structure or the major organic product(s). Place your answer(s) in the space provided. Be certain to indicate stereochemistry where applicable. Cl2 Он cat. H2SO H-о Br Br conc. HBra) сн сна 3. (10 pts...
Question 9.27, 9.30 Choose one reagent from the Table to carry out the following conversions. Use...
Question 9.27, 9.30 Choose one reagent from the Table to carry out the following conversions. Use letters from the table to specify reagents. Reagents КMnO,/ Н,о* O3 d 1. Br2 g a 2. KOH in ethanol H2/ Lindlar catalyst hr H20/ H2SO4/ HgSO4 е 1. NaNH2 in NH3 2. CH3Br Li in NH3 1 equiv Br2 f 1. BH3 in THF C 2. H202 in NaOH a) CHACH,сH,сH,CECH CHн-CH-CH-CH2CH-CH CHз b) сHa-CHa-CEс-сн, CH3CH2 The following synthesis requires more than one...
QUESTION 28 Based on Zaitsev's rule, which of the following is the major product of the...
QUESTION 28 Based on Zaitsev's rule, which of the following is the major product of the reaction below? CH, CHỊCHCCH-CH3 нс Br CH30 Na CH3OH HẠC CHỊ А) c=c (CH3),CHH B CH, ) (CH3),CHICCH.CH; н,с сну C=C сH,CH, CH, D) (CH-CHссH,CH C) нус осн, QUESTION 29 Which of the following can undergr acion
2) Order the following alkenes from most stable to least stable Нас Нас с-сн, н,с Hас +C- Нас н CHs -CH3 H Hе most stable least stable (a) I (b) I (c) I ll (d) 7) Order the following C-H bonds from strongest to weakest. strongest weakest (a) (b) (c) II (d) 8) Which of the following is represents the lowest energy transition state for the addition of BH, to 2-methyl-1-propene? quCH «сHs нСи Нас (b) (a) Нив--н H H...
help with all of these !
Question 8: Which is the better retrosynthesis for the given target molecule? Explain and provide a one-step synthesis of the target molecule. Br Br Hас Hас Hас .CH3 b) NaQH CHy Question 7: Draw the plausible mechanism for each of the folllowing transformations: a) CHy Не нс CHs CH СH, CH3 conc. H,SO -CH3 heat CH он Question 5 Predict the major and minor products for the following reactions: a) NaSH Н,с b) Br...
2. Which carbon would the Br of HBr add to if the following unsymmetrical alkenes were allowed to react with 48% HBr ( 48 % HBr is the highest concentration of HBr in water- the water is just a solvent)? b. C. н e. Нас a. н CH-Cн Hас. Н сH CH3 CH3 the C-C in the ring do not react with H
H D) Suggest a method to efficiently synthesize each of the following molecules from an alkene using the reactions. we have learned so far. Give the starting alkene and all reagents necessary. In order for the synthesis to be efficient, the desired product should be the major product formed Br Н,с, На Нс 1 CH3 сH, он На сH CH3 2 Нас" Reicion P ,Br 3 осн, CHy Br Н,с. Нас
Please help me with these questions,.
Draw the major product of the following reaction Question 8 н+ Нас Нас CH3 CH3 но CHзон CHз Create OscerSketch Answer 8 Incorrect: Answer has an incorrect structure. Complete the following synthesis by selecting from the list of 10 reagents below. Each reagent (or set of reagents) is labeled as a letter. In the answer box, simply place the order of reagents used as uppercase letters. For example, if your synthesis involves using reagent...
QUESTION 1 2 points Save Answer Which statement applies to halide S N 1, but NOT SN 2 substitution reactions? Reaction is favored because a weaker base is produced. The nucleophile substitutes the leaving group in the substrate. A carbocation intermediate is involved in the reaction Halogens act as leaving group. QUESTION 2 2 points Save Answer What is the expect product for the following reaction HCEN CHз Нс Br Cн Нас Br CH3 Нас CH3 Нас CN CH3 Hас...
06 Question (2 points) e See page 587 Predict the major organic product formed upon treatment of the following diene with hydroiodic acid under cold conditions. Be sure your answer accounts for regiochemistry and stereochemistry, where appropriate. ҫн, Нас CHн, НI CH3 Н,с -78 °C Н,с Cн, CH3 7th attempt See Periodic Table See Hint If the reaction will provide more than one stereoisomer product, draw all possible products using appropriate wedges and dashes.
1. (4 pts) Rank each of the following carbocations in order of stability (1 most stable and 4 least stable). н н сH н Н,с Н,с" H сH; CH3 Hас- H 2. (6 pts total; 2 pts each) Complete the following transformations by indicating the reactant structure or the major organic product(s). Place your answer(s) in the space provided. Be certain to indicate stereochemistry where applicable. Cl2 Он cat. H2SO H-о Br Br conc. HBra) сн сна 3. (10 pts...
Question 9.27, 9.30 Choose one reagent from the Table to carry out the following conversions. Use letters from the table to specify reagents. Reagents КMnO,/ Н,о* O3 d 1. Br2 g a 2. KOH in ethanol H2/ Lindlar catalyst hr H20/ H2SO4/ HgSO4 е 1. NaNH2 in NH3 2. CH3Br Li in NH3 1 equiv Br2 f 1. BH3 in THF C 2. H202 in NaOH a) CHACH,сH,сH,CECH CHн-CH-CH-CH2CH-CH CHз b) сHa-CHa-CEс-сн, CH3CH2 The following synthesis requires more than one...
QUESTION 28 Based on Zaitsev's rule, which of the following is the major product of the reaction below? CH, CHỊCHCCH-CH3 нс Br CH30 Na CH3OH HẠC CHỊ А) c=c (CH3),CHH B CH, ) (CH3),CHICCH.CH; н,с сну C=C сH,CH, CH, D) (CH-CHссH,CH C) нус осн, QUESTION 29 Which of the following can undergr acion
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