The isomeric relationship between the given compound has to be determined. Concept introduction: Chiral centre: A chiral centre is defined as the tetrahedral carbon atom in an organic molecule that is connected to four non-identical groups/substituents. It is sometimes known as a stereo genic centre. Enantiomers: These are stereoisomers that are not superimposable mirror images of each other and the configurations at all stereo genic centers are exactly opposite. Diastereomers: These are stereoisomers that are not enantiomers of one another. They have different physical properties so that they are viewed as different chemical substances. Constitutional isomer s are different compounds with the same molecular formula. R and S nomenclature: it is used to assign the molecule using CIP (Cahn-Ingold-Prelog) rules. The CIP rules are as follows: Select the chiral carbon and assign the numbers according to the decreasing atomic mass of atoms attached to it. If the numbering follows clockwise direction then the molecule is termed as R and if it follows anti-clockwise direction then molecule is termed as S .

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Chapter 5, Problem 75IP

Interpretation Introduction

Interpretation:

The isomeric relationship between the given compound has to be determined.

Concept introduction:

Chiral centre: A chiral centre is defined as the tetrahedral carbon atom in an organic molecule that is connected to four non-identical groups/substituents. It is sometimes known as a stereo genic centre.

Enantiomers: These are stereoisomers that are not superimposable mirror images of each other and the configurations at all stereo genic centers are exactly opposite.

Diastereomers: These are stereoisomers that are not enantiomers of one another. They have different physical properties so that they are viewed as different chemical substances.

Constitutional isomers are different compounds with the same molecular formula.

R and S nomenclature: it is used to assign the molecule using CIP (Cahn-Ingold-Prelog) rules.

The CIP rules are as follows:

Select the chiral carbon and assign the numbers according to the decreasing atomic mass of atoms attached to it.

If the numbering follows clockwise direction then the molecule is termed as R and if it follows anti-clockwise direction then molecule is termed as S.

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