4.2 Isomerism Part 2 Flashcards
What are diastereomers?
stereoisomers that are not enantiomers; non-superimposable, non-mirror images
What is resolution?
the process of separating a racemic mixture since enantiomers have identical chemical and physical properties
What are epimers?
subclass of diastereomers that differ in their absolute configuration at a single chiral center
What is an anomer?
epimers that form as a result of a ring closure
What is a meso compound?
when a molecule containing chiral centers has an internal plane of symmetry
What are geometric isomers?
diastereomers that differ in orientation of subsituents around a ring or a double bond
What is a cis molecule?
molecule in which two higher priority groups are on the same side
What is a trans molecule?
molecule in which two higher priority groups are on opposite sides
What is a Z molecule?
two high priority groups are on the same side of a double bond
What is an E molecule?
two high priority groups are on opposite sides of a double bond