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14 Cards in this Set
- Front
- Back
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cycloalkane
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ring of carbons
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CISisomer
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molecule attached on the same side of a ring. Ex: a,a; e,e
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TRANSisomer
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molecules attached at different sides of the ring. Ex: e,a; a,e
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positional isomers
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same formula, different atom attachment
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stereoisomers
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cis and trans isomers can have the same atom attachments but at different orientations in space
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enantiomers
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stereoisomers that are MIRROR IMAGES of each other
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chiral carbon
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a carbon with four different atoms attached to it
--may have to branch out to the next molecule, and so forth |
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Fisher Projections
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have the same chiral carbon, but have a non super imposable image
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R/S
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priority: atomic weight
start at the atom of lowest weight (put on top or bottom) then look at atome of highest priority, then second highest, so forth |
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R
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clockwise rotation when counting from highest atomis weight to lowest
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S
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counter clockwise rotation when counting from the highest atomic weight to the lowest
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diastereomers
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-not mirror images
-not super imposable -different physical properties |
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plane of symmetry =
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super imposable image
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formula that shows how many stereoisomers can be made depending upon the number on chiral carbons
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n
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