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1. Which alkene is the least stable? A 2,4-dimethylpent-2-ene B 2,4-dimethylrent-1-ene C 2.3 dimethylent-2-ene D. 3,4-dimethylpent-2-ene...
2 Which is the major prodect from reaction of sodiam iodine with (R)-2-bromo-3-methy butane in dicholormethane (met...
2 Which is the major prodect from reaction of sodiam iodine with (R)-2-bromo-3-methy butane in dicholormethane (methylene chioridey A 24odo-2-methy ibutane B. 2-methylbut-2-ene C (S)2-iodo-3-methyl butante D. 2-methylbut-1-ene E No Reaction 3. Which is the major product from reaction of sodium hydroxide with (S)-2-iodo-3,3-dimethylbutane in water? A. 3,3-dimethylbut-1-ene B. 2,4-dimethylbut-2-ene C. 2,4-diemthylbut-1-ene D. 2-methylbut-2-ene E. 2-methylbut-1-ene trl d bste 4. How many potential products from halogenation of 2-phenylbut-2-ene? A. I В. 2 С.3 D. 4 E. 5 2 SN N...
6. 3,4-Dimethylpent-1-ene has the formula CH2 = CH-CH (CH3) -CH (CH3) 2 When pure (R) -3,4-dimet...
6. 3,4-Dimethylpent-1-ene has the formula CH2 = CH-CH (CH3) -CH (CH3) 2 When pure (R) -3,4-dimethylpent-1-ene is treated with hydrogen on a catalyst of platinum, the product is (S) -2,3-dimethylpentane. (a) Draw the equation for this reaction. It shows the stereochemistry of the reagent and the product. (b) Has the chirality center retained its configuration during this hydrogenation, or has it been invested? (c) The reagent is called (R), but the product is called (S). Does this name change imply...
Please answer all 1) Which alkene is likely to be formed in the largest quantity if...
Please answer all
1) Which alkene is likely to be formed in the largest quantity if the alcohol is dehydrated? H2SO4 OH a) E-4,4-dimethylpent-2-ene b) 2,3-dimethylpent-2-ene c) 2,3-dimethylpent-1-ene d) E-3,4-dimethylpent-2-ene 2) What is the product of this reaction? ??? Br a) 1-pentene d) tert-butyl pent-2-yl ether b) E-2-pentene c) tert-butyl pentyl ether 3) What is the major product of this reaction? 1) TSCI H 2) NaOEt піон ??? CH3 H H Lello ||||CH3 CH O a) b) c) 4) Which...
Problem 13. Write a bond-line formula for each of the following compounds. (a) (E)-1,4-dibromopent-2-ene (b) (R)-3-chloro-2-methylbut-l-ene...
Problem 13. Write a bond-line formula for each of the following compounds. (a) (E)-1,4-dibromopent-2-ene (b) (R)-3-chloro-2-methylbut-l-ene Problem 14. You have the task of preparing styrene (C.HSCH=CH;) by dehydrohalogenation of either 1- bromo-2-phenylethane or 1-bromo-1-phenylethane using KOH in ethanol at reflux temperature. Which halide would you choose as your starting material to give the better yield of the alkene Explain your answer. Problem 15. The reactions below are unlikely to occur as described. Predict the true major product and the reaction...
Choose the reaction that is least likely to undergo an E2 reaction pathway. Question 2 NaOCH3...
Choose the reaction that is least likely to undergo an E2 reaction pathway. Question 2 NaOCH3 CH,он Br O он В кос(сH,) нос(CH,) Br D NaC CH CH2CN кос(CH) C НОС(CH,)з D O C O E Enter Your Answer: OA (R)-1-bromo-2-methylbutane undergoes substitution when reacted with sodium iodide (NaI) in acetone. Choose the major product obtained from this reaction. Question 3 A (R)-1-iodo-2-methyl butane B (S)-1-iodo-2-methylbutane C racemic 1-iodo-2- methylbutane D (R)-1-bromo-2-iodobutane E (S)-1-bromo-2-iodobutane F (S)-1-sodium-2-methylbutane A B F F...
Suppose that R61,3), (1, 4), (2, 3), (2,4), (3,1), (3,4)), Determine which of these statements are...
Suppose that R61,3), (1, 4), (2, 3), (2,4), (3,1), (3,4)), Determine which of these statements are correct Check ALL correct answers below A. R6 is symmetric B. R1 is reflexive C. R4 is symmetric D. R3 is transitive E. R3 is reflexive F. R2 is reflexive G. R2 is not transitive H. R4 is antisymmetric I. R1 is not symmetric J. R5 is transitive K. R4 is transitive L. Rs is not reflexive M. R3 is symmetric
H10.32 - Level 1 Homework • Unanswered Which of the following reagents when added to 2-bromo-2-methylbutane...
H10.32 - Level 1 Homework • Unanswered Which of the following reagents when added to 2-bromo-2-methylbutane will produce 2-methylbut-1-ene as the major product? 1 A CH3CH2Ona/ CH3CH2OH 0 B ((CH3)2CH)2NLi/ether O C CH3SNa / CH3OH o D CH3CO2Na/ CH3CO2H Unanswered 2 attempts left Submit
1. Predict the major products formed in each of the following reactions, indicate if the reagent...
1. Predict the major products formed in each of the following reactions, indicate if the reagent reacts either regioselectively or stereospecifically, or both in relevant cases (5 x 2-10 points): a. Write products of the reaction using Fischer projection. (2)-3-methyl-pent-2-ene - HCI 2 b. Write product/s of the reaction using Fischer projection. y Brze? c. Write product/s of the reaction using Fischer projection BH3 H2O2. NaOH 1 mole of Hz. Pd/C e. MeOH is in a large excess. Write products...
Using Zaitsev's rule, choose the most stable alkene among the following. OA) (Z)-hex-2-ene B) hex-1-ene OC)...
Using Zaitsev's rule, choose the most stable alkene among the following. OA) (Z)-hex-2-ene B) hex-1-ene OC) (E)-hex-2-ene
Provide a skeletal line structure for the following compounds: a. 2-ethyl-3-methyl-1-propylbenzene b. Trans-4-methylpent-2-ene c. 2,4-dimethyl-3-ethylhexane
Provide a skeletal line structure for the following compounds: a. 2-ethyl-3-methyl-1-propylbenzene b. Trans-4-methylpent-2-ene c. 2,4-dimethyl-3-ethylhexane
2 Which is the major prodect from reaction of sodiam iodine with (R)-2-bromo-3-methy butane in dicholormethane (methylene chioridey A 24odo-2-methy ibutane B. 2-methylbut-2-ene C (S)2-iodo-3-methyl butante D. 2-methylbut-1-ene E No Reaction 3. Which is the major product from reaction of sodium hydroxide with (S)-2-iodo-3,3-dimethylbutane in water? A. 3,3-dimethylbut-1-ene B. 2,4-dimethylbut-2-ene C. 2,4-diemthylbut-1-ene D. 2-methylbut-2-ene E. 2-methylbut-1-ene trl d bste 4. How many potential products from halogenation of 2-phenylbut-2-ene? A. I В. 2 С.3 D. 4 E. 5 2 SN N...
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1) Which alkene is likely to be formed in the largest quantity if the alcohol is dehydrated? H2SO4 OH a) E-4,4-dimethylpent-2-ene b) 2,3-dimethylpent-2-ene c) 2,3-dimethylpent-1-ene d) E-3,4-dimethylpent-2-ene 2) What is the product of this reaction? ??? Br a) 1-pentene d) tert-butyl pent-2-yl ether b) E-2-pentene c) tert-butyl pentyl ether 3) What is the major product of this reaction? 1) TSCI H 2) NaOEt піон ??? CH3 H H Lello ||||CH3 CH O a) b) c) 4) Which...
Problem 13. Write a bond-line formula for each of the following compounds. (a) (E)-1,4-dibromopent-2-ene (b) (R)-3-chloro-2-methylbut-l-ene Problem 14. You have the task of preparing styrene (C.HSCH=CH;) by dehydrohalogenation of either 1- bromo-2-phenylethane or 1-bromo-1-phenylethane using KOH in ethanol at reflux temperature. Which halide would you choose as your starting material to give the better yield of the alkene Explain your answer. Problem 15. The reactions below are unlikely to occur as described. Predict the true major product and the reaction...
Choose the reaction that is least likely to undergo an E2 reaction pathway. Question 2 NaOCH3 CH,он Br O он В кос(сH,) нос(CH,) Br D NaC CH CH2CN кос(CH) C НОС(CH,)з D O C O E Enter Your Answer: OA (R)-1-bromo-2-methylbutane undergoes substitution when reacted with sodium iodide (NaI) in acetone. Choose the major product obtained from this reaction. Question 3 A (R)-1-iodo-2-methyl butane B (S)-1-iodo-2-methylbutane C racemic 1-iodo-2- methylbutane D (R)-1-bromo-2-iodobutane E (S)-1-bromo-2-iodobutane F (S)-1-sodium-2-methylbutane A B F F...
Suppose that R61,3), (1, 4), (2, 3), (2,4), (3,1), (3,4)), Determine which of these statements are correct Check ALL correct answers below A. R6 is symmetric B. R1 is reflexive C. R4 is symmetric D. R3 is transitive E. R3 is reflexive F. R2 is reflexive G. R2 is not transitive H. R4 is antisymmetric I. R1 is not symmetric J. R5 is transitive K. R4 is transitive L. Rs is not reflexive M. R3 is symmetric
H10.32 - Level 1 Homework • Unanswered Which of the following reagents when added to 2-bromo-2-methylbutane will produce 2-methylbut-1-ene as the major product? 1 A CH3CH2Ona/ CH3CH2OH 0 B ((CH3)2CH)2NLi/ether O C CH3SNa / CH3OH o D CH3CO2Na/ CH3CO2H Unanswered 2 attempts left Submit
1. Predict the major products formed in each of the following reactions, indicate if the reagent reacts either regioselectively or stereospecifically, or both in relevant cases (5 x 2-10 points): a. Write products of the reaction using Fischer projection. (2)-3-methyl-pent-2-ene - HCI 2 b. Write product/s of the reaction using Fischer projection. y Brze? c. Write product/s of the reaction using Fischer projection BH3 H2O2. NaOH 1 mole of Hz. Pd/C e. MeOH is in a large excess. Write products...
Using Zaitsev's rule, choose the most stable alkene among the following. OA) (Z)-hex-2-ene B) hex-1-ene OC) (E)-hex-2-ene
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