Draw the Fischer projection of the following compound Eclipsed? IL, NOW many hydroge 10. [05 pts.]...
9. [03 pts. In the chair conformation of cyclohexane, how many hydrogen atoms are eclipsed? 10.105 pts.) Draw the Fischer projection of the following compound. Cl3 CH2CH3 H OM HBr OH CH3 CH₂ CH3 11. [06 pts.] Assign the chiral center(s) as R or S for each of the following molecules.
OH Draw a Fischer projection for the following compound, placing the -CO2H up at the top. Rotation between Cry and C, might be needed но a. Assign R/S configuration to the chiral centers, b. Draw its enantiomer, and C. Draw a diastereomer. (2) OH HOC
10. Convert the following 3-dimensional molecule into a Fischer projection looking along the indicated line of sight. Assign an R or S designation for the absolute configuration to the chiral C. Is the molecule at the right the same or the enantiomer of the original molecule? NH2 NH2 HO CH3 OH HC H
For 2-chloro-3-hexanol: Draw the structure of all the possible stereoisomers with Fischer Projection and Perspective Formulas showing both eclipsed and staggered conformations). 2) Assign the configuration of all chiral centers with R or S. (3) Give the complete IUPAC name for each stereoisomers. (4) Indicate the relationship among the structures, indicating which are the threo or erythro enantiomer, and diastereoisomer pairs.
11. [06 pts.] Draw the Fischer projection of each of the following compounds.
4. Consider the following Fischer Projection: CH, OH I 9 CH OH A Does this represent a monosaccharide, a disaccharide, a trisaccharide or something else? B Are any chiral carbons present? If so, circle each one. C Does this represent an aldose or a ketose? Explain your response and draw a box around the relevant functional group. D Give the molecular formula for this compound. E Is this compound classified as an L-isomer or a D- isomer? your response. Explain...
3. (4 pts) Complete the Fischer projection drawn below by adding the four substituents to the chiral carbon of (s)-2-methyl-3-bromo-hexane. 4. (4 pts) Draw a wedge and dash structure representing (1R 2R,3S)-1,2- dichloro3-ethylcyclohexane. 5. (4pts) 2-bromobutane is shown below. Is this (R)-2-bromobutane or (S)-2 bromobutane? 6. (6 pts) For each chiral carbon in ascorbic acid (vitamin C), shown below, assign Ror S to each stereocenter. How many stereoisomers of ascorbic acid are possible? OH HO ОН 7. (9 pts) (Are...
Solve 12-14
12. Consider the molecule shown below. OH OH f. How many stereoisomers are possible? g. Draw each of these stereoisomers. h. Identify pairs of enantiomers and pairs of diastereomers. i. Build a model of the stereoisomer that has both OH groups pointing out. Also, build a model of the mirror image of this molecule. j. Do your two molecules represent enantiomers? Are they chiral? Fischer Projections 13. Build a model of 1-bromo-1-chloroethane. a. Draw a3D representation of this...
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4. (4 pts) Assign each chiral carbon as R or S in compound-A. Draw the mirror image of compound-A and assign configuration to each chiral carbon in the new molecule. (note: dotted line represents the mirror). Br Compound-A mirrorimage ofCompound-A mirror 5. (2 pts) Carbon-1 is R or S? Carbon-2 is R or S? H2N 2 CH3
Use the Fischer projection below to answer the following questions сн. Br- H H- Br CH,CH, (a) Write the IUPAC name for this molecule using the R/S notation (b) Draw the skeletal structure of the mirror Image, le the enantiomer, of the molecule whose Fischer projection is given above. (Show one wedge bond, one dashed bond, and two sticks attached to the chiral carbon. Show the hydrogen atom bonded to the chiral carbon atom as either a wedge or dash...