Chapter 25: Aromatic Heterocycles Flashcards
1
Q
A
Pyridine
-lone pair NOT part of pi system
2
Q
A
Pyrrole
-lone pair IS part of pi system
3
Q
A
Thiophene
-One lone pair in pi system, one not
4
Q
A
Furan
-one lone pair in pi system, one not
5
Q
N-oxidation of pyridine
A
6
Q
Reduction of n-oxides:
A
7
Q
Reduction of n-oxides:
A
8
Q
Chichibabin Reaction
A
9
Q
N.A.S. of pyridine
A
10
Q
Organolithium reaction
A
11
Q
The pyridimines are ___ e- aromatic systems
A
6 electron
12
Q
The purines are ___ e- aromatic systems
A
10 electron
13
Q
The pyridimines are ___
A
- Thymine
- Cytosine
- Uracil
14
Q
The purines are ___
A
- Adenine
- Guanine
15
Q
DNA Hydrolysis
A
16
Q
RNA hydrolysis
A
17
Q
Converting Cytosine to Uracil
A
