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- Categorize the compounds below as chiral or achiral. Is this Correct?4. (a) Draw all possible isomers of C4H3CI2. (b) Indicate which pairs of compounds are enantiomers of one another. (c) Indicate which pairs of compounds are diastereomers of one another. (d) Indicate which compounds would have optical rotations of 0°. (e) Assign R and S configurations to all chirality centers of the compounds in part (a).17. How many chiral carbon atoms does 1,3-dichloropentane have? a) Zero b) One c) Two d) Three be dextrorotatory. b) An optically active substance that rotates light counterclockwise is said to be levorotatory. c) An optically active substance that rotates light clockwise is said to be levorotatory. d) None of the above statements are correct. 18. How many chiral carbon atoms does chlorocyclohexane have? a) Zero b) One c) Two d) More than two 23. When four different atoms or 19. Stereoisomers that contain chiral carbon atoms and are superimposable on the own mirror image are called: a) diastereomers b) meso compounds c) racemic mixtures d) none of the above are correct functional groups are attached to a carbon atom, the carbon atom is called a(n): a) symmetric carbon atom b) asymmetric carbon atom c) quaternary carbon atom d) optically active carbon atom 24. How many chiral carbons are in the compound below? CH3 CH3 20. Stereoisomers that are not mirror images of each other are…
- Consider the following structure and its labeled carbon atoms, which ones are chiral centers, mark all that apply N a4. 4 2 7 CI Identify how many stereogenic centers there are for the molecule. 3 O ОН H2.) For the following 12 compounds, please write the number of chiral centers (0 if there are none) and label each molecule as either chiral or achiral. H3C H3C HO H3C H3C H3C H3C H3C H3C CH3 CH3 OH OH H3C OH OH OH он H3C H,C H3C, H3C H3C OH H3C H3C OH HO H3C но OH OH H3C OH CH3
- (a) Identify type of molecules either chiral, achiral, or meso for each compound shown below and (b) Indicate the number of chiral centers in each molecule.3.3 Draw line structures of (a) an enantiomer and (b) a diastereomer of Compound L. OH NH2 Compound LDetermine the configuration for every chiral center in the following compound:
- Assign the configuration of the chiral center in the following compound. OS COR Hint Save for LaterCoibacin B (shown below) is a natural product that exhibits potent anti-inflammatory activity and potential activity in the treatment of leishmaniasis, a disease caused by certain parasites (Org. Lett. 2012, 14, 3878-3881): (a) Assign the configuration (R or S) of each chirality center (labeled A to C) in coibacin B. (b) Identify the number of possible stereoisomers for this compound, assuming that the geometry of the alkenes are fixed. Choices are given below and write the CAPITAL LETTER of your choice. A. 2 В. 4 С. 8 D. 16 ANSWERS: (a) A. В. C. (b)Q3. (A) Identify the following compounds as chiral or achiral.