Table 8:
Summary of mass spectroscopic data of the 1-(4-fluorophenyl)-4-(2-aryl-1-diazenyl)-piperazine series
(13)
.
Series #
X
Formula
Calc. Mass (amu)
Found Mass (amu)
13a
p
-CO
2
CH
3
C
18
H
19
N
4
O
2
F
342.1492
342.1487
13b
p
-Br
C
16
H
16
N
4
FBr
362.0542
362.0525
13c
p
-CH
3
C
17
H
19
N
4
F
298.1594
298.1603