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Chapter 9 INTRODUCTION TO STEREOCHEMISTRY

Chapter 9 INTRODUCTION TO STEREOCHEMISTRY. Isomers are compounds with the same molecular formula but not identical structures. Constitutional isomers are isomers which have the same molecular formula but differ in the way their atoms are connected. Constitutional Isomers.

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Stereochemistry

Stereochemistry. Isomer Organization. Isomers. Stereoisomers. Constitutional isomers. Enantiomers. Diastereomers. Conformational Isomers. Meso compounds. Epimers. Geometric Cis/trans. =>. o. o. Stereoisomers. Same bonding sequence. Different arrangement in space.

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Chapter 23: Carbohydrates hydrates of carbon: general formula C n (H 2 O) n

Chapter 23: Carbohydrates hydrates of carbon: general formula C n (H 2 O) n Plants: photosynthesis 6 CO 2 + 6 H 2 O C 6 H 12 O 6 + 6 O 2 Polymers: large molecules made up of repeating smaller units (monomer) Biopolymers: Monomer units:

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9. Stereochemistry

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Chapter 5 Stereochemistry: Chiral Molecules

Chapter 5 Stereochemistry: Chiral Molecules. Isomerism: Constitutional Isomers and Stereoisomers Stereoisomers are isomers with the same molecular formula and same connectivity of atoms but different arrangement of atoms in space.

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CHE 240 Unit IV Stereochemistry, Substitution and Elimination Reactions CHAPTER FIVE

CHE 240 Unit IV Stereochemistry, Substitution and Elimination Reactions CHAPTER FIVE. Terrence P. Sherlock Burlington County College 2004. Chiral Carbons. Tetrahedral carbons with 4 different attached groups are chiral.

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STEREOCHEMISTRY

STEREOCHEMISTRY. By Puan Azduwin Khasri 8 th November 2012. ISOMERS. ISOMERS. Isomers -Compound with the same molecular formula but different structures Constitutional Isomer -differ in the way their atoms are connected.

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( R ) and ( S ) Configuration

( R ) and ( S ) Configuration. Both enantiomers of alanine receive the same name in the IUPAC system: 2-aminopropanoic acid. Only one enantiomer is biologically active. In alanine only the left enantiomer can be metabolized by the enzyme. Need a way to distinguish between them.

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