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3. Benzene reacts with optically pure (R)-2-chlorobutane and AlCl3. Is the product R? S? Racemic? Explain...
Would you expect the Friedel-Crafs reaction of a benzene with (S)-2-chlorobutane to yield an optically active...
Would you expect the Friedel-Crafs reaction of a benzene with (S)-2-chlorobutane to yield an optically active or racemic product. Explain your answer.
FULL SCREEN PRINTER VERSION 4 BACK NE Integrated Problem 18.76 Benzene was treated with (R)-2-chlorobutane in...
FULL SCREEN PRINTER VERSION 4 BACK NE Integrated Problem 18.76 Benzene was treated with (R)-2-chlorobutane in the presence of aluminum trichloride, and the resulting product mixture was found to be optically inactive. 18.41 18.42 em Get help answering Molecular Drawing questions. Draw the expected organic product(s) of the reaction assuming that conditions are chosen to favor monoalkylation. Using wedges and dashes, indicate the stereochemistry, 18.53 18.54 ? Edit SHOW HINT Choose the correct explanation, why the product mixture is optically...
7. Predict the major product for the reaction between benzene and 2-chlorobutane i presence of AlCl3. A) Chlor...
7. Predict the major product for the reaction between benzene and 2-chlorobutane i presence of AlCl3. A) Chlorobenzene B) sec-butylbenzene C) ethylbenzene D) isopropylbenzene E) 1-butylbenzene 8. Predict the major product for the following reaction. H2SO 9. Predict the structure of the major product for the following reaction. CHICH2CCI AlCl 10. Predict the structure of the major product for the following reaction. O o CH CH2CH COCCH2CH2CH AlCl
9. What product is formed when benzene reacts with AlCl3 and each of the following reagents?...
9. What product is formed when benzene reacts with AlCl3 and each of the following reagents? 10. Draw all the products of the following reaction: + OH
6. Optically pure (-)-2-butanol has the R configuration and [a] = -13.52º. Optically pure (-)-2-iodobutane has...
6. Optically pure (-)-2-butanol has the R configuration and [a] = -13.52º. Optically pure (-)-2-iodobutane has the R configuration and (a) = -15.9º. A sample of 2-butanol with specific rotation of +11.1° was found in reaction with hydrogen iodide in tetrahydrofuran solvent to yield 2-iodobutane of specific rotation-10.9º. a. Does the reaction proceed with predominantly retention or inversion of configuration? Explain how you determined your answer. b. Determine the optical purity (%OP) which is also the enantiomeric excess (%ee) of...
How would you synthesize the following compound starting with optically pure (R) or (S)-2-butanol? 8) How...
How would you synthesize the following compound starting with
optically pure (R) or (S)-2-butanol?
8) How would you synthesize the following compound starting with optically pure (R) or (S)-2-butanol? H CN НаС. CH3 A) (1) (R)-2-butanol + TSCI B) (1) (S)-2-butanolTsCI C) (1) (S)-2-butanol + H2SO4 (heat) D) (R)-2-butanol NaCN/DMSO (2) NACN/DMSO (2) NACN/DMSO (2) HBr (3) NaCN/DMSO
(s)-7-chbrobota 3. (2 points) Consider that (S)-2-Chlorobutane has a specific rotation of +13.1 and (R)-2-Chlorobutane has...
(s)-7-chbrobota 3. (2 points) Consider that (S)-2-Chlorobutane has a specific rotation of +13.1 and (R)-2-Chlorobutane has a specific rotation of -13.1 °. Which isomer is dominant and what is the optical purity of the mixture of (R) and (S)-2- Chlorobutane, whose specific rotation was found to be -2.5°. What is the percent composition of the mixture? ile there iture La
Starting with benzene what is the major product to the following reagents. 1. Br2/FeBr3, (CH3)2CCOCl/AlCl3 2....
Starting with benzene what is the major product to the following reagents. 1. Br2/FeBr3, (CH3)2CCOCl/AlCl3 2. (CH3)2CCOCl/AlCl3, Br2/FeBr3 3. Br2/FeBr3, H2SO4, (CH3)2CCOCl/AlCl3, H2O Which major product of the three will give the most one product if reacted with HNO3/H2SO4?
9. When the following optically pure (S)-epoxide is treated with base, the corresponding alkoxide forms that...
9. When the following optically pure (S)-epoxide is treated with base, the corresponding alkoxide forms that suffers an exclusive intramolecular SN2-type of ring- opening of the epoxide (100% conversion). Select from the following, the best description of the product(s) NOTE: it is recommended that you do this problem with the use of molecular models. Be careful of priority changes when assigning (R)-or (S)-映solute configurations. base (S)-oxiran-2-ylmethanol A. The product is an optically inactive meso-compound. B. The product produced is a...
3.2 An optically active carboxylic acid, (s) 2-phemypropanoic acid, is brominated treatment with 1) PBrs. Bra;...
3.2 An optically active carboxylic acid, (s) 2-phemypropanoic acid, is brominated treatment with 1) PBrs. Bra; 2) Hzo) under Hell-Wolhard-Zelinski conditions. Wili me product which s formed in the reaction be optically active or racemic? Explain yaur prediction in detain 3.3 The following synthetic route does not produce the desired product. Explain what is wrong with the reaction CO2Et CH3CHCO2Et 2) PhBr 3) Hyde heat
FULL SCREEN PRINTER VERSION 4 BACK NE Integrated Problem 18.76 Benzene was treated with (R)-2-chlorobutane in the presence of aluminum trichloride, and the resulting product mixture was found to be optically inactive. 18.41 18.42 em Get help answering Molecular Drawing questions. Draw the expected organic product(s) of the reaction assuming that conditions are chosen to favor monoalkylation. Using wedges and dashes, indicate the stereochemistry, 18.53 18.54 ? Edit SHOW HINT Choose the correct explanation, why the product mixture is optically...
7. Predict the major product for the reaction between benzene and 2-chlorobutane i presence of AlCl3. A) Chlorobenzene B) sec-butylbenzene C) ethylbenzene D) isopropylbenzene E) 1-butylbenzene 8. Predict the major product for the following reaction. H2SO 9. Predict the structure of the major product for the following reaction. CHICH2CCI AlCl 10. Predict the structure of the major product for the following reaction. O o CH CH2CH COCCH2CH2CH AlCl
9. What product is formed when benzene reacts with AlCl3 and each of the following reagents? 10. Draw all the products of the following reaction: + OH
6. Optically pure (-)-2-butanol has the R configuration and [a] = -13.52º. Optically pure (-)-2-iodobutane has the R configuration and (a) = -15.9º. A sample of 2-butanol with specific rotation of +11.1° was found in reaction with hydrogen iodide in tetrahydrofuran solvent to yield 2-iodobutane of specific rotation-10.9º. a. Does the reaction proceed with predominantly retention or inversion of configuration? Explain how you determined your answer. b. Determine the optical purity (%OP) which is also the enantiomeric excess (%ee) of...
How would you synthesize the following compound starting with
optically pure (R) or (S)-2-butanol?
8) How would you synthesize the following compound starting with optically pure (R) or (S)-2-butanol? H CN НаС. CH3 A) (1) (R)-2-butanol + TSCI B) (1) (S)-2-butanolTsCI C) (1) (S)-2-butanol + H2SO4 (heat) D) (R)-2-butanol NaCN/DMSO (2) NACN/DMSO (2) NACN/DMSO (2) HBr (3) NaCN/DMSO
(s)-7-chbrobota 3. (2 points) Consider that (S)-2-Chlorobutane has a specific rotation of +13.1 and (R)-2-Chlorobutane has a specific rotation of -13.1 °. Which isomer is dominant and what is the optical purity of the mixture of (R) and (S)-2- Chlorobutane, whose specific rotation was found to be -2.5°. What is the percent composition of the mixture? ile there iture La
9. When the following optically pure (S)-epoxide is treated with base, the corresponding alkoxide forms that suffers an exclusive intramolecular SN2-type of ring- opening of the epoxide (100% conversion). Select from the following, the best description of the product(s) NOTE: it is recommended that you do this problem with the use of molecular models. Be careful of priority changes when assigning (R)-or (S)-映solute configurations. base (S)-oxiran-2-ylmethanol A. The product is an optically inactive meso-compound. B. The product produced is a...
3.2 An optically active carboxylic acid, (s) 2-phemypropanoic acid, is brominated treatment with 1) PBrs. Bra; 2) Hzo) under Hell-Wolhard-Zelinski conditions. Wili me product which s formed in the reaction be optically active or racemic? Explain yaur prediction in detain 3.3 The following synthetic route does not produce the desired product. Explain what is wrong with the reaction CO2Et CH3CHCO2Et 2) PhBr 3) Hyde heat
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