33 Flashcards
1
Q
Identify
A
QUATERNARY AMONIUM BASE
2
Q
A
1-hydroxi, 2-methyl- propane
3
Q
A
Methyl-amine
4
Q
A
Dimethyl-amine
5
Q
A
Trimethyl-amine
6
Q
A
PYRIDINE
7
Q
A
PYRIDAZINE
8
Q
A
PYRIMIDINE
9
Q
A
PYRAZINE
10
Q
The lone pair of the N is less prominent than in amines
WHY?
A
because the aromatic system steals an electron from the nitrogen. Very weak bases.
11
Q
A
PYRROLE
12
Q
A
IMIDAZOLE
13
Q
ANILINE
A
14
Q
Describe aryl-amines (lone pair, NH bonds)
A
The lone pair of the N is partially lost, because it tends to conjugate with the aromatic system.
The N-H bonds are more polarized due to the partially lost lone pair.
15
Q
amides develop from (1)__ and (2)___ or (3)___
A
1 - amines
2 - esters
3 - acid anhydrides