Concept explainers
(a)
Interpretation: The stereogenic centers in the ball and stick model of lisinopril are to be identified.
Concept introduction: A carbon atom which is bonded to four different groups is termed as chiral center or stereogenic center. The groups around the stereogenic center are prioritized on the basis of
(b)
Interpretation: The stereogenic centers are to be labeled as R or S.
Concept introduction: A carbon atom which is bonded to four different groups is termed as chiral center or stereogenic center. The groups around the stereogenic center are prioritized on the basis of atomic number of their atoms in order to find the configuration of compound.
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- A is a toxin produced by the poisonous seaweed Chlorodesmis fastigiata. (a) Label each alkene that exhibits stereoisomerism as E or Z. (b) Draw a stereoisomer of A that has all Z double bonds.arrow_forwardLabel each stereogenic center in the attached compounds as R or S.arrow_forward(a) Label the carbon–carbon double bond in A as E or Z. (b) Draw the products (including stereoisomers) formed when A is treated with H2O in the presence of H2SO4.arrow_forward
- Locate the stereogenic centers in the ball-and-stick model of ezetimibe (trade name Zetia), a cholesterol-lowering drug. (Picture attached)arrow_forwardA is a toxin produced by the poisonous seaweed Chlorodesmis fastigiata. (a) Label each alkene that exhibits stereoisomerism as E or Z.arrow_forwardLocate the stereogenic centers in each drug. Albuterol is a bronchodilator—that is, it widens airways—so it is used to treat asthma. Chloramphenicol isan antibiotic used extensively in developing countries because of its lowcost.arrow_forward
- Label each stereogenic center in the following compounds as R or S.arrow_forwarddraw the followingarrow_forwardProblem 5.27 (a) Label the four stereogenic centers in sorbitol as R or S. (b) How are sorbitol and A related? (c) How are sorbitol and B related? HO H HO H но н но н Н Он Н ОН HO HO но но но н он Н ОН B H OH HO H HO H HO H sorbitol Aarrow_forward
- 5.52 Draw the structure of (S,S)-ethambutol, a drug used to treat tuberculosis that is 10 times more potent than any of its other stereoisomers. но HO, ethambutolarrow_forwardCelery ketone, like carvone, has two distinct aromas. In contrast to the S enantiomer's licorice scent, the R enantiomer has an earthy, celery-like aroma. Each enantiomer should be depicted and its odor assigned.arrow_forwardQuinapril (trade name Accupril) is a drug used to treat hypertension andcongestive heart failure. (See in attached file) Question: At which sites can quinapril hydrogen bond to acetone [(CH3)2CO]?arrow_forward
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