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Concept explainers
Interpretation:
The number of asymmetric centers present in the given structure of Mevacor has to be determined.
Concept introduction:
Stereoisomers are isomers which have different spatial arrangement in spite of same bond connectivity. Stereoisomers are due to the presence of stereocenter. Stereocenter may be an atom axis (bond) or plane from which interchanging of two groups leads to stereoisomers.
Asymmetric center is a stereocenter which arises to hydrocarbons if the carbon is bonded to four different groups.
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Chapter 4 Solutions
Organic Chemistry; Modified MasteringChemistry with Pearson eText -- ValuePack Access Card; Study Guide and Student Solutions Manual for Organic Chemistry, Books a la Carte Edition (7th Edition)
- Fluocinolone how many chiral centers? compound numbering Fluocinolone.?arrow_forwardDiltiazem is prescribed to treat hypertension, and simvastatin is a cholesterol-lowering drug. Locate the chirality centers in each.arrow_forwardButaclamol is a potent antipsychotic that has been used clinically in the treatment of schizophrenia. How many asymmetric centers does it have?arrow_forward
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- Ephedrine, a stimulant and illegal drug is an optically active compound with two chiral centers. OH NHCH3 CH3 Ephedrine a. In the structure of ephedrine on the answer sheet, mark each chiral center with an asterisk. b. How many stereoisomer/s does ephedrine have? Show necessary solutions on the answer sheet. c. Compound EPS is a stereoisomer of ephedrine. Determine the absolute configuration (R or S) at carbons A and B of compound EPS.arrow_forwardBile salts are derivative of cholestrol. However, the solubilities of these compounds in water are drastically different; cholestrol is highly hydrophobic, and the bile salts are soluble in digestive juices. Explain the differences.arrow_forwardFollowing are four stereo representations for lactic acid. Which are diastereomers? Hill H3C A COOH a. A and B OH HOW HOOC B CH 3 H b. B and C ww COOH нощу H C CH3 c. B and D M H HO D CH 3 COOH d. A and C ww e. None of thesearrow_forward
- What is the relationship between the parent structure on the left and the structure on the right? HO O O O COOH H H-OH B A: Enantiomers B: Diastereomers C: Completely unrelated molecules D: Identical molecules CH₂OH HO HO COOH H H CH₂OHarrow_forwardWhat is the relationship between the following pair of structures? CH3 H3C a. They are enantiomers b. They are diastereomers c. The are constitutional isomers d. They are identical aarrow_forwardLabel the chirality center (if one exists) in each compound. A compound may contain zero or one chirality center.arrow_forward
- Macroscale and Microscale Organic ExperimentsChemistryISBN:9781305577190Author:Kenneth L. Williamson, Katherine M. MastersPublisher:Brooks ColeOrganic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning
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