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- Lithocholic acid is an A–B cis steroid found in human bile. Draw lithocholic acid showing chair conformations, as in Figure 27-11, and tell whether the hydroxyl group at C3 is axial or equatorial.Indicate the relationship between each pair. Choose from: configurational stereoisomers,conformers, constitutional isomers, or different formulas (Each term is used at least twice.)What is the stereochemical configuration of the enantiomer of (2S, 4R)-2, 4-octanediol? (A diol is a compound with two —OH groups.)
- Draw compounds that fit the following descriptions: (a) A chiral alcohol with four carbons (b) A chiral carboxylic acid with the formula C5H10O2 (c) A compound with two chirality centers (d) A chiral aldehyde with the formula C3H5BrOAre the following pairs identical, enantiomers, diastereomers, or constitutional isomers?Determine the absolute configuration of the following compounds anddraw the structure (Fischer projection) of the other enantiomer.
- H3C Cl \ / C=C / \ H2N I (R)-enantiomer (Z) isomer (S)-enantiomer (E) isomer meso compoundIdentify which of the Fischer projections matches the structure in the box. A) I B) II C) III D) IVFor each pair, indicate whether they are constitutional isomers, enantiomers, diastereoisomers, or identical molecules. A BDEF
- A(n) ________ is an achiral compound that contains chiral centers but is superimposable on its mirror image. A) constitutional isomers B) conformational isomers C) enantiomers D) diastereomers E) meso compoundsWhich of the following pairs of structures represent the same enantiomer, and whichrepresent different enantiomers?In its pyranose form, naturally occurring D-glucose has five stereocenters. How many possible stereoisomers exist for this structure? a) 5 b) 10 c) 25 d) 32
