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- Give the systematic IUPAC for each compound:Identify the substituents on each of the carbons for Newman projection with the appropriateabbreviations and then draw the most stable and the least stable Newman projections of each of thecompounds belowIdentify each substituent in the following compound as axial or equatorial, and tell whether the conformation shown is the more stable or less stable chair form (green = Cl):
- What is the correct priority numbering of substituents on the following compound? (hydrogen is number 4 and not visible in the Newman projections given) a) 2 b) XoXo to c) OH OH 1 H OH 3 OH 3 2 3 ô 3 OH 2Given the following structure and numbering: H. HC 2. 3 ICO,H H3C CH3 1 A (a) Label the stereocenters of A as R or S and draw a Fischer Projection of the enantiomer of A with C1 оn top and C4 оn bottom. (b) Draw a Newman Projection of a diastereomer of A looking down the C2-C3 bond with C2 in front.CH3 CH3 H3C CH3 H3C CH3 CH3 How many possible stereoisomers exist for this compound? O 1 O 2 0 4 06 О32 00 08 O 16
- Chloramphenicol is a broad-spectrum antibiotic that is particularly useful against typhoid fever. What is the configuration of each asymmetric carbon in chloramphenicol? HỌ H c-c-CH,OH NHCCHCI, NO2 chloramphenicolGiven the structures of the following two tetramethylcyclohexanes: CH3 CH3 CH3 "CH3 CH3 CH3 A В (a) Draw the most stable chair conformation for both A and B. Which structure is lower in energy (most stable)? (b) Ring flip the above structures and draw the least stable chair conformation for both A and B. Which structure is highest in energy (least stable)?Given the following structure and numbering: H CO,H 3 H3C 1 A (a) Label the stereocenters of A as R or S and draw a Fischer Projection of the enantiomer of A with C1 on top and C4 on bottom. (b) Draw a Newman Projection of a diastereomer of 4 looking down the C2-C3 bond with C2 in front.
- Menthol is a common additive to dental products, topical analgesics, decongestants and many other everyday items. Below is the structure of menthol. Which is the most stable chair conformer of menthol? A a B b C C D d CH3 HO Menthol CH3 -CH3 но но но CH3 CH3 OH A. BIdentify the type of configurational isomerism that exist for each double bond. E or ZWhat is true about the relationship between the following compounds? CH3 CH3 CH; CH; CH3 CH3 A В O All three are stereoisomers of each other. OA and B are the same compound while C is a stereoisomer. All three are the same compound. A and B are the same while C is a conformer, all of the same compound . O A and C are the same while B is a stereoisomer.