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The course is aimed at understanding of synthetic procedures enabling to control stereoselectivity of chemical reactions. It covers the basics of organic stereochemistry, analytical methods used for the study of chiral compounds and the most frequent stereoselective organic reactions.
Last update: TAJ342 (30.09.2013)
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Students will be able to: Have a comprehensive opinion on the problem of stereoselective organic synthesis Perform stereochemical analysis of organic compounds and design synthetic procedure for the preparation of given stereoisomers Verify enantiomeric purity using analytical methods Last update: TAJ342 (30.09.2013)
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R: Eliel E. L., Wilen S. H., Doyle M. P. " Basic Organic Stereochemistry", John Wiley, 2001 (0-471-37499-7)
R: Procter G. "Stereoselectivity in Organic Synthesis", Oxford University Press, 1998 (0-19-855957-7)
R: Ward R. S. "Selectivity in Organic Synthesis" , John Wiley, 1999 (0-471-98779-4)
A: Atkinson R. S. "Stereoselective Synthesis", John Wiley, 1995 (0-471-95419-5) Last update: TAJ342 (30.09.2013)
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1. Types of stereoisomerism, basic stereochemical concepts, symmetry-chirality relationships, stereogenic elements, criteria for the recognition of a chiral structure 2. Stereogenic center, central chirality simplex, non-carbon centers of chirality, enantiomers, diastereoisomers, epimers, anomers, pseudo chiral center, relative vs. absolute configuration and its stereochemical nomenclature 3. Stereogenic axis, axial chirality, pseudochirality axis, chiral polyphenyls and other types of atropoisomerism. Planar chirality, organometallic compounds. Helicity, propelers 4. Racemic modification and its properties, resolution of racemic modifications via formation of diastereomers, chiral inclusive compounds, chromatography on chiral sorbents 5. Experimental methods for the determination of a configuration, X-ray methods. Relative configuration assignment using chemical methods, chiroptical methods and NMR methods 6. Conformation of a molecule, conformational isomers, conformational nomenclature, conformation of acyclic compounds containing polar groups and double bonds. Conformations of cyclopropane, cyclobutane, cyclopentane, pseudorotation 7. Conformations of cyclohexane, mono- and disubstituted cyclohexanes, dekalins and steroidal skeleton, cyclohexene, cyclohexadiene, cyclohexanone, conformations of middle-sized rings, trans-annular effects and reactions 8. Conformation and reactivity. Curtin-Hammet rule, reactivity of axial and equatorial substituents of cyclohexane. Homotopic, enantiotopic, and diastereotopic ligands and sides, their nomenclature, prochirality 9. Synthesis of enantiomerically pure compounds using the "chiral pool" and chirality transfer at sigmatropic rearrangements. Chiral auxiliary group, chiral agents, chiral catalysts as tools of enantioselective synthesis 10. Addition on C=O group in neighborhood of a stereogenic center. Diastereoselectivity and enantioselectivity ïn enolate reactions, aldol reactions, and reactions of alkenyl boranes with aldehydes 11. Diastereoselectivity and enantioselectivity of electrophilic additions on C=C bond of a conjugated addition 12. Diastereoselectivity and enantioselectivity of epoxidation, Sharpless epoxidation, dihydroxylation, and amino hydroxylation 13. Diastereoselectivity and enantioselectivity of cycloaddition reactions 14. Double chiral induction. Chiral amplification at enantioselective catalysis. Enzymes as catalysts in enantioselective synthesis Last update: TAJ342 (30.09.2013)
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Lecture notes Last update: TAJ342 (30.09.2013)
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Organic chemistry I Strutcture and reactivity Last update: TAJ342 (30.09.2013)
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Teaching methods | ||||
Activity | Credits | Hours | ||
Obhajoba individuálního projektu | 0.5 | 14 | ||
Účast na přednáškách | 1 | 28 | ||
Příprava na přednášky, semináře, laboratoře, exkurzi nebo praxi | 0.5 | 14 | ||
Práce na individuálním projektu | 0.5 | 14 | ||
Příprava na zkoušku a její absolvování | 1 | 28 | ||
Účast na seminářích | 0.5 | 14 | ||
4 / 4 | 112 / 112 |
Coursework assessment | |
Form | Significance |
Regular attendance | 20 |
Defense of an individual project | 10 |
Examination test | 25 |
Continuous assessment of study performance and course -credit tests | 20 |
Oral examination | 25 |