Flashcards in Organic Chemistry Chapter 6: Aldehydes and Ketones 1 Deck (12)
Prefix and suffix for aldehydes
- al and oxo-
Prefix and suffix for ketones
- one and oxo-/keto-
How is the reactivity of a carbonyl defined?
polarity of the double bond
What happens in a nucleophillic attack on carbonyl?
electrons in pi bond are moved to oxygen
Nucleophillic attack and no good leaving group?
remains open and it protonated to form an alcohol
Nucleophillic attack and good leaving group?
carbonyl will reform & kick off the leaving group
What happens in hydration?
water adds to carbonyl, forming a geminal diol
Alcohol + aldehyde
hemiacetal -- again = ketal
Alcohol + ketone
hemiketal -- again = ketal
Nitrogen/nitrogen derivatives + carbonyls
imines, oximes, hyrdrazones and semicarbazones
What can oxidize aldehydes to carboxylic acids?
KMnO4, CrO3, Ag2O or H2O2