3. a) Draw the structure of (2S,3S)-2,3-difluorobutane in an extended zig-zag line drawing using wedged and...
3. a) Draw the structure of (2S,3S)-2,3-difluorobutane in an extended zig-zag line drawing using wedged and dashed bonds where appropriate.
b) Is (2S,3S)-2,3-difluorobutane optically active? Explain
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3. a) Draw the structure of (2S,3S)-2,3-difluorobutane in an
extended zig-zag line drawing using wedged and...
2. what is the ratio of enantiomers in a mixture with an enantiomeric excess of 50%?...
2. what is the
ratio of enantiomers in a mixture with an enantiomeric excess of
50%?
1. If (R)-2-bromobutane has a specific rotation of -23°, what is the value of [a], for dextrarotatory 2- bromobutane at the same temperature? +23 2. What is the ratio of enantiomers in a mixture with an enantiomeric excess of 50%? 3. a) Draw the structure of (2S,3S)-2,3-difluorobutane in an extended zig-zag line drawing using wedged and dashed bonds where appropriate.
6). Draw the zig-zag structure of C-2 epimer and C-3 epimer of D-glucose. Draw one possible chair conformer of C-2 epimer. 6). Draw the zig-zag structure of C-2 epimer and C-3 epimer of D-glucos...
6). Draw the zig-zag structure of C-2 epimer and C-3 epimer of D-glucose. Draw one possible chair conformer of C-2 epimer.
6). Draw the zig-zag structure of C-2 epimer and C-3 epimer of D-glucose. Draw one possible chair conformer of C-2 epimer.
Draw the correct structure for (2S,3R)-2,3-diiodopentane. Show stereochemistry clearly. To ensure proper grading, explicity draw all...
Draw the correct structure for (2S,3R)-2,3-diiodopentane. Show stereochemistry clearly. To ensure proper grading, explicity draw all four groups, including wedge/dash bonds, around a chirality center. Indicate whether the compound could exist in an optically active form.
Draw the structure of 2R 3R)-2,3-dichloropentane. Use bold or hashed wedges to indicate the configuration at...
Draw the structure of 2R 3R)-2,3-dichloropentane. Use bold or hashed wedges to indicate the configuration at asymmetric C atoms. Draw the molecule on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars. The single bond is active by default. Show the appropriate stereochemistry by choosing the dashed or wedged buttons and then clicking a bond on the canvas. 2 . H: 1200 mAh 31.+07 Marvin JS ChemAxon LADDODOOD
The tosylate of (2S, 3S)-3-phenylbutan-2-ol undergoes an E2 elimination on treatment with sodium ethoxide. Draw the...
The tosylate of (2S, 3S)-3-phenylbutan-2-ol undergoes an E2 elimination on treatment with sodium ethoxide. Draw the structure of the alkene that is produced. Use the wedge/hash bond tools to indicate stereochemistry. You do not have to explicitly draw H atoms. If a group is achiral, do not use wedged or hashed bonds on it.
Alcohols: Substitution of (1R,3S)-3-methylcyclohexanol using HBr. Part A Predict the product(s) formed when the structure shown...
Alcohols: Substitution of (1R,3S)-3-methylcyclohexanol using
HBr.
Part A Predict the product(s) formed when the structure shown below undergoes a reaction with concentrated HBr. If there is more than one product, draw all the products possible. Interactive 3D display mode ОН CHz Draw the molecule(s) on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars. The single bond is active by default. To change the bond type, select the Insert menu and change the Bond...
Draw the structure of (2R,3S)-2,3-dichloropentane. Take particular care to indicate...
Draw the structure of (2R,3S)-2,3-dichloropentane. Take particular care to indicate three-dimensional stereochemical detail properly. (Using wedge and dash bonds)
Propose a mechanism for the reaction of (2R,3R)-2,3-epoxy-3-methylpentane with 2.1 aqueous acid. Draw the structure of...
Propose a mechanism for the reaction of (2R,3R)-2,3-epoxy-3-methylpentane with 2.1 aqueous acid. Draw the structure of the ring opening product and assign stereochemistry. Is the product optically active? Explain. Hао" Hll "CH-CHз H3C CH3 (6)
5. Draw a line drawing of 1,1-dibromoethane, and draw it with 3-D geometry, keeping the carbons...
5. Draw a line drawing of 1,1-dibromoethane, and draw it with 3-D geometry, keeping the carbons and one bromine atom in the plane of the paper. 6. Draw a line drawing of 1,2-dibromoethane, and draw it with 3-D geometry, keeping the carbon and bromine atoms in the plane of the paper. 7. Draw a line drawing of cis-2,3-dibromo-2-butene. 8. Draw a line drawing of trans-2,3-dibromo-2-butene. 1. Draw propane using a line drawing as shown on page 1 of this introduction...
1. a. (4 points) Draw the dash-wedge structure of (2R,3S)-2,3-dichloropentane. b. (4 points) Draw the Fischer...
1. a. (4 points) Draw the dash-wedge structure of (2R,3S)-2,3-dichloropentane. b. (4 points) Draw the Fischer projection of enantiomer of the compound drawn in part a. Name the enantiomers. c. (6 points) Draw the Newman projections (looking down the C2-C3 bonds) of the diastereomers of the compound drawn in part b. Name the diastereomers.
2. what is the
ratio of enantiomers in a mixture with an enantiomeric excess of
50%?
1. If (R)-2-bromobutane has a specific rotation of -23°, what is the value of [a], for dextrarotatory 2- bromobutane at the same temperature? +23 2. What is the ratio of enantiomers in a mixture with an enantiomeric excess of 50%? 3. a) Draw the structure of (2S,3S)-2,3-difluorobutane in an extended zig-zag line drawing using wedged and dashed bonds where appropriate.
6). Draw the zig-zag structure of C-2 epimer and C-3 epimer of D-glucose. Draw one possible chair conformer of C-2 epimer.
6). Draw the zig-zag structure of C-2 epimer and C-3 epimer of D-glucose. Draw one possible chair conformer of C-2 epimer.
Draw the correct structure for (2S,3R)-2,3-diiodopentane. Show stereochemistry clearly. To ensure proper grading, explicity draw all four groups, including wedge/dash bonds, around a chirality center. Indicate whether the compound could exist in an optically active form.
Draw the structure of 2R 3R)-2,3-dichloropentane. Use bold or hashed wedges to indicate the configuration at asymmetric C atoms. Draw the molecule on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars. The single bond is active by default. Show the appropriate stereochemistry by choosing the dashed or wedged buttons and then clicking a bond on the canvas. 2 . H: 1200 mAh 31.+07 Marvin JS ChemAxon LADDODOOD
The tosylate of (2S, 3S)-3-phenylbutan-2-ol undergoes an E2 elimination on treatment with sodium ethoxide. Draw the structure of the alkene that is produced. Use the wedge/hash bond tools to indicate stereochemistry. You do not have to explicitly draw H atoms. If a group is achiral, do not use wedged or hashed bonds on it.
Alcohols: Substitution of (1R,3S)-3-methylcyclohexanol using
HBr.
Part A Predict the product(s) formed when the structure shown below undergoes a reaction with concentrated HBr. If there is more than one product, draw all the products possible. Interactive 3D display mode ОН CHz Draw the molecule(s) on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars. The single bond is active by default. To change the bond type, select the Insert menu and change the Bond...
Propose a mechanism for the reaction of (2R,3R)-2,3-epoxy-3-methylpentane with 2.1 aqueous acid. Draw the structure of the ring opening product and assign stereochemistry. Is the product optically active? Explain. Hао" Hll "CH-CHз H3C CH3 (6)
5. Draw a line drawing of 1,1-dibromoethane, and draw it with 3-D geometry, keeping the carbons and one bromine atom in the plane of the paper. 6. Draw a line drawing of 1,2-dibromoethane, and draw it with 3-D geometry, keeping the carbon and bromine atoms in the plane of the paper. 7. Draw a line drawing of cis-2,3-dibromo-2-butene. 8. Draw a line drawing of trans-2,3-dibromo-2-butene. 1. Draw propane using a line drawing as shown on page 1 of this introduction...
1. a. (4 points) Draw the dash-wedge structure of (2R,3S)-2,3-dichloropentane. b. (4 points) Draw the Fischer projection of enantiomer of the compound drawn in part a. Name the enantiomers. c. (6 points) Draw the Newman projections (looking down the C2-C3 bonds) of the diastereomers of the compound drawn in part b. Name the diastereomers.
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