9. Draw the structure of the following compounds and label the stereocenters R/S. Draw their enantiomers (if they have one). 1-bromo-2-methylcyclohexane a) (1R, 2R) b) (1R, 2R, 3S) 2-bromo-3-ethyl-1-methylcyclohexane c) (1S, 2R) 1-bromo-2-methylcyclohexane d) (1R, 3S) 1,3-dichlorocyclohexane

9. Draw the structure of the following compounds and label the stereocenters R/S. Draw their enantiomers (if they have one). 1-bromo-2-methylcyclohexane a) (1R, 2R) b) (1R, 2R, 3S) 2-bromo-3-ethyl-1-methylcyclohexane c) (1S, 2R) 1-bromo-2-methylcyclohexane d) (1R, 3S) 1,3-dichlorocyclohexane

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter4: Polar Bonds, Polar Reactions

Section: Chapter Questions

Problem 30CTQ: According to the conventions above, what is the sign ( + or ) of the P.E. change (H) for Rxn 3?

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Concept explainers

Stereochemistry and Isomerism

Stereochemistry deals with the three-dimensional structure and properties of molecules. It explains the arrangement of atoms and their manipulation within a molecule in a 3D structure. Stereochemistry can be dealt with all types of molecules. Based on the stereochemistry of a molecule, the physical and chemical properties of the molecules vary.

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9. Draw the structure of the following compounds and label the stereocenters R/S. Draw their
enantiomers (if they have one).
1-bromo-2-methylcyclohexane
a) (1R, 2R)
b) (1R, 2R, 3S) 2-bromo-3-ethyl-1-methylcyclohexane
c) (1S, 2R) 1-bromo-2-methylcyclohexane
d) (1R, 3S) 1,3-dichlorocyclohexane

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