Organic Chemistry, ORGANIC 8th Edition CHEMISTRY L.G.Wade,Jr. Chapter 5 Lecture Stereochemistry G.WA D E,J R Rizalia Klausmeyer Baylor University Waco,TX 2013 Pearson Education,Inc ALWAYS LEARNING PEARSON
© 2013 Pearson Education, Inc. © 2013 Pearson Education, Inc. Chapter 5 Lecture Stereochemistry Rizalia Klausmeyer Baylor University Waco, TX Organic Chemistry, 8 th Edition L. G. Wade, Jr
Chirality right hand left hand ·“Handedness”:Right-hand glove does not fit the left hand. An object is chiral if its mirror image is different from the original object. 2013 Pearson Education,Inc. Chapter5 2
© 2013 Pearson Education, Inc. Chirality • “Handedness”: Right-hand glove does not fit the left hand. • An object is chiral if its mirror image is different from the original object. Chapter 5 2
Achiral Mirror images that can be superposed are achiral(not chiral) 2013 Pearson Education,Inc. Chapter 5 3
© 2013 Pearson Education, Inc. Achiral • Mirror images that can be superposed are achiral (not chiral). Chapter 5 3
Stereoisomers Enantiomers:Compounds that are nonsuperimposable mirror images.Any molecule that is chiral must have an enantiomer. CH: CH3CH2 Br Br CH2CH3 2013 Pearson Education,Inc. Chapter 5 4
© 2013 Pearson Education, Inc. Stereoisomers Enantiomers: Compounds that are nonsuperimposable mirror images. Any molecule that is chiral must have an enantiomer. Chapter 5 4
Chiral Carbon Atom Also called asymmetric carbon atom. For carbon to be chiral,it must be bonded to 4 different groups. Its mirror image will be a different compound (enantiomer). 2013 Pearson Education,Inc. Chapter 5 5
© 2013 Pearson Education, Inc. Chiral Carbon Atom • Also called asymmetric carbon atom. • For carbon to be chiral, it must be bonded to 4 different groups. • Its mirror image will be a different compound (enantiomer). Chapter 5 5