Stereochemistry

IIT Kharagpur, , Prof. Prof. A. Basak

Updated On 02 Feb, 19

Overview

Stereochemistry of molecules dictates isomerism, chemical and biochemical reactivity. Reactivity. These days, chiral drugs have become an integral part of pharmaceutical industry. A basic concept on 3D structures and conformations of molecules and asymmetric synthesis and other stereochemical principles and attributes are essential. This course will lay the foundation on to which further advanced topics can be built up.

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Lecture 1: Lecture 1 : Constitution and Configuration

4.1 ( 11 )

Lecture Details

Course Details

COURSE LAYOUT

Week 1: Constitution and Configuration; Chemistry in 3D space Chirality and its origin, symmetry criterion;
Week 2: Stereogenicity and topicity; Enantiomers, Diastereomers, Epimers, Anomers, Atropisomers
Week 3: Nomenclature: Absolute (R/S and D,L) and relative configurations (Threo/erythro , syn/anti and like/unlike)
Week 4: Prochirality, pro-R and pro-S designations; related problems
Week 5: Conformations of acyclic systems: X-CH₂-CH₂-X and of cyclic systems: cyclopropane, cyclobutane, cyclopentane
Week 6: Conformations of cyclohexane (including mono and disubstituted), cis and trans-decalins
Week 7: Stereoelectronic and steric principles in reactions: Substitution, elimination and addition; selectivity and specificity
Week 8: Stereoelectronic and steric principles in reactions: Substitution, elimination and addition; selectivity and specificity (contd);
Importance of stereochemistry in real life: some examples