Shared Flashcard Set

Details

Chapter 5,6,7
Chapters 5,6,7 O CHEM
21
Organic Chemistry
Undergraduate 1
09/18/2010

Additional Organic Chemistry Flashcards

 


 

Cards

Term
Chirality Center
Definition

Property of "Handedness"

The property of an object that causes it to be non-superimposable on its mirror image. 

Term
Di-Stereoisomer
Definition
Stereoisomers that are not mirror images of each other that have at least one chiral center.
Term
Enantiomers
Definition
Mirror Images 
Term
Plane of Symmetry
Definition

(same as center of symmetry)

The top half of the molecule  is the mirror image of the bottom half.

Term
Stereogenic Center
Definition
Is an atom in a molecule that is bonded to four different atoms or groups an will have R & S configuration.
Term
Recemic Mixtures
Definition
50:50 mixture of two enantiomers also called  equimolar mixture of enantiomers. They do not rotate plane polarized light.
Term
Meso Compound
Definition
Contains a sterogenic center but is a chiral because it has a plane of symmetry
Term
Cahn, Inglod, - Prelog Rules
Definition
Assign priorities of the substituent groups on a carbon.
Term
Dextero-rotary
Definition
Optically active molecule which rotates plane polarized light in clockwise direction (+).
Term
Levorotatory
Definition
Optically active molecule which rotates plane polarized light in counterclockwise direction. 
Term
A Chiral Center
Definition
Can be superimposed on its mirror image, does not rotate plane of polarized light.
Term
Optically Active
Definition
Pure Single Enantiomer and ability to rotate plane polarized light. 
Term
Fischer Projection
Definition
Is convenient two dimensional drawing that represents a 3-D molecule.
Term
Resolution
Definition
Is the separation of mixture of enantiomers.
Term
Absolute Configuration
Definition
Is the actual orientation of the 4 atoms or groups bonded to the stereocenter in the space.
Term
Stereoisomers
Definition
Molecules with some atom connectivity but different orientation of those atoms in space.
Term
Constitutional Isomers
Definition
Same molecular formula but different connectivity.
Term
Optical Isomers
Definition
The single enantiomers and have ability to rotate plane polarized light.
Term
Specific Rotation
Definition
[image]
Term
Cahn, Inglod, Prelog Priority Rules
Definition
Arrange -> decreasing order
Term
The metal catalyst for hydrogenation of alkene is:
Definition
pd, pt, Ni, but not Na
Supporting users have an ad free experience!