Conformational analysis of nbutane.

CONFORMATIONAL ANALYSIS (CONFORMATIONAL ISOMERISM) by Dr. Rahul Soman and Dr Rojisha VC's online class, the lecture covers 



Conformational analysis of ethane and butane  



Conformational analysis of ethane

    - staggered and eclipsed conformations

    - Torsional strain

    - torsional energy

    - POTENTIAL ENERGY CHANGE ON C-C BOND ROTATION

    - Conformational analysis of butane

Online English Lecture



Online Malayalam Lecture

GPAT Syllabus/ Organic chemistry / Stereochemistry

GPAT Syllabus/ Organic chemistry / Stereochemistry

11. Stereochemistry

Stereochemistry. Chirality & asymmetry [introduction of the same to S, P, & N]. Definition & classification [different types of isomerisms]. Enantiomers, diastereomers. Enantiomerism & diastereomerism. Meso compounds & their optical activity. Stereochemistry in acyclic compounds. Newman projection formulae & their significance. Conformational analysis of nbutane. Absolute & relative configuration. Assigning R & S configuration based on Cahn Ingold & Prelog system. Racemic mixture- its definition & resolution. Definitions of terms stereoselective, stereospecific, Enantiomeric excess & diastereomeric excess. Stereochemistry in cyclic systems. Conformations of cyclohexane. Cis-trans relationship in cyclohexane. Prediction of stability of different conformations of 1, 2- 1,3- & 1,4- disubstituted cyclohexanes. Effect of multiple substitutions on the stability of cyclohexane conformations. Chair conformations of cis-, & trans-decalins, perhydrophenanthrenes, & a tetracyclic steroidal nucleus. An introduction to atropisomerism.

 

Lecture 1: Stereochemistry : Definition & classification [different types of isomerisms].

Lecture 2: Stereochemistry: Stereochemistry in acyclic compounds.  Newman projection formulae & their significance.

Lecture 3: Stereochemistry: Chirality & asymmetry [introduction of the same to S, P, & N]. Enantiomers, diastereomers. Enantiomerism & diastereomerism. Meso compounds & their optical activity.

Lecture 4: Stereochemistry:  relative configuration & Stereochemistry in cyclic systems.

Lecture 5: Stereochemistry: Assigning R & S configuration based on Cahn Ingold & Prelog system.

Lecture 6: Stereochemistry: Conformational analysis of nbutane. Absolute

Lecture 7: Stereochemistry: Conformations of cyclohexane. Cis-trans relationship in cyclohexane. Prediction of stability of different conformations of 1, 2- 1,3- & 1,4- disubstituted cyclohexanes. Effect of multiple substitutions on the stability of cyclohexane conformations.