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EK orgo lecture 3
carbonyls and amides
18
Organic Chemistry
Undergraduate 3
08/21/2009

Additional Organic Chemistry Flashcards

 


 

Cards

Term
aldehydes and ketones undergo nucleophilic_____ while carboxyllic acid undergoes _______
Definition
addition
substitution
Term
formaldehyde
Definition
[image]
Term
acetone
Definition
[image]
Term
aldehydes and ketones larger than 4 carbons are ______
Definition
soluble in water
Term
keto-enol tautomerization involves the shifting of?
Definition
protons from alpha carbo to carbonyl oxygen, an equillibrium reaction.
Term
electron withdrawing groups attached to the alpha carbon or carbonyl tend to _____
Definition
stabilize the conjugate base and increase acidity
Term
why are aldehydes more reactive than ketones?
Definition
electron withdrawing effects of the ketone make it less reactive, and the inductive effects of the oxygen.
Term
purpose of the wittig reaction?
Definition
ketone---> alkene using a phosphorous ylide
Term
carboxyllic acids with more than _____ are insoluble in water
Definition
10 carbons
Term
decarboxylation
Definition
loss of co2 from carboxyllic acid
Term
acyl chloride
Definition
very reactive because of stable halogen, strong acid,.
Term
ammonia and amines can ____ which increases their boiling points and increases their solubilities
Definition
Hydrogen bond
Term
wolff kishner reduction does what to what
Definition
reduces ketones and aldydes
Term
hoffman elimination
Definition

a process where an amine is reacted to create a tertiary amine and an alkene

 

it is an E2 rxn that converts an amine into an alkene. it forms least substiuted double bond.

 


Term
diazotization of an amine only works with?
Definition
aromatic amines
Term
hoffman degradation
Definition
[image]
Term
phosphoric acid + heat =
Definition
[image]
Term
hoffman rearrangement
Definition

aka hoffman degradation

the organic reaction of a primary amide to a primary amine with one fewer carbon atom

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