The product of the following transformation has to be drawn, and show the single steroisomer product of this transformation. Also the most stable possibel chair species should be identifed. Concept Introduction: Stereoisomers are isomers which have different spatial arrangement in spite of same bond connectivity. Stereoisomers are due to the presence of sterocenters. Stereo center may be an atom axis (bond) or plane from which interchanging of two groups leads to stereoisomers. Asymmetric center is a sterocenters which arises to hydrocarbons if the carbon is bonded to four different groups. Anomers are represented as α and β forms, if the conformation of the farthest right-hand carbon or anomeric carbon in the Haworth ring is such that the OH group points down (is on the opposite side of the ring from the –CH 2 OH group), the structure is called the α -form. If the –OH group points up, it’s called a β -form.

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Chapter 18, Problem 18.70P

Interpretation Introduction

Interpretation:

The product of the following transformation has to be drawn, and show the single steroisomer product of this transformation. Also the most stable possibel chair species should be identifed.

Concept Introduction:

Stereoisomers are isomers which have different spatial arrangement in spite of same bond connectivity. Stereoisomers are due to the presence of sterocenters. Stereo center may be an atom axis (bond) or plane from which interchanging of two groups leads to stereoisomers.

Asymmetric center is a sterocenters which arises to hydrocarbons if the carbon is bonded to four different groups.

Anomers are represented as α and β forms, if the conformation of the farthest right-hand carbon or anomeric carbon in the Haworth ring is such that the OH group points down (is on the opposite side of the ring from the –CH₂OH group), the structure is called the α-form. If the –OH group points up, it’s called a β-form.

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