Concept explainers
(a)
Interpretation: The stereogenic center in the given compound is to be located and its enantiomers are to be drawn.
Concept introduction: Enantiomers of a compound are the stereoisomers which are non-super imposable mirror images. A carbon atom bonded to four different groups is known as a chiral carbon. A compound which has a chiral carbon can be resolved into enantiomers. Chiral carbon centers are also called as asymmetric or stereogenic centers.
(b)
Interpretation: The stereogenic center in the given compound is to be located and its enantiomers are to be drawn.
Concept introduction: Enantiomers of a compound are the stereoisomers which are non-super imposable mirror images. A carbon atom bonded to four different groups is known as a chiral carbon. A compound which has a chiral carbon can be resolved into enantiomers. Chiral carbon centers are also called as asymmetric or stereogenic centers.
(c)
Interpretation: The stereogenic center in the given compound is to be located and its enantiomers are to be drawn.
Concept introduction: Enantiomers of a compound are the stereoisomers which are non-super imposable mirror images. A carbon atom bonded to four different groups is known as a chiral carbon. A compound which has a chiral carbon can be resolved into enantiomers. Chiral carbon centers are also called as asymmetric or stereogenic centers.
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ORGANIC CHEMISTRY
- 5.47 Draw both enantiomers for each biologically active compound. а. NH2 amphetamine (a powerful central nervous stimulant) b. ketoprofen (analgesic and anti-inflammatory agent)arrow_forwardCaptopril is a drug used to treat high blood pressure and congestive heart failure. a.Designate each stereogenic center as R or S. b.Draw the enantiomer of captopril. c.What product is formed when captopril is treated with one equivalent of NaH? d.What product is formed when captopril is treated with two equivalents of NaH?arrow_forward5.47 Draw both enantiomers for each biologically active compound. а. NH, amphetamine (a powerful central nervous stimulant) b. но ketoprofen (analgesic and anti-inflammatory agent)arrow_forward
- Problem 5.2 Classify each pair of compounds as constitutional isomers or stereoisomers. a. and and он 020st geabe AA go Aon e 2o3 С. and d. and b.arrow_forwardProblem 5.22 Draw all the possible stereoisomers for each compound, and label pairs of enantiomers hen and diastereomers. Ust a. OH fevidas OH b. CIto snelg e vil OHarrow_forwardProblem 5.16 Label each stereogenic center as R or S. Br b. ge, HO н он ca C. t d. OHe o lobonot b d or HOP "OH f. HO Harrow_forward
- Problem 5.20 Label the two stereogenic centers in dB re stereoisomers. ne. each compound and draw all possible CI a. rro OH Br CI ne b. B. Problem 5.21 Compounds E and F are two isomers of 2,3-dibromopentane drawn in staggered conformations. Which compounds (A-D) in Figure 5.8 are identical to E and F? im et wihr boe A mot Br omin oldne Br F Brarrow_forwardPage 203 Problem 5.29 Draw all possible stereoisomers for each compound. Label pairs of enantiomers and diastereomers. a. b. но c.arrow_forwarda.Locate the stereogenic centers in the ball-and-stick model of ezetimibe (trade name Zetia), a cholesterol-lowering drug. b. Label each stereogenic center as R or S.arrow_forward
- Problem 5.24 Draw a meso compound for each of the following molecules. a. Br CI Br b. HO OH c. H₂N NH₂arrow_forwardWhich heterocycles are aromatic? a. d. b.arrow_forwardLocate the stereogenic centers in each compound and draw the enantiomer. Exemestane (trade name Aromasin) is used to treat breast cancer, and zanamivir is used to treat and prevent influenza. a. I H Ill exemestane Oarrow_forward
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