Chemistry Reference
In-Depth Information
R
N
N
RuCl
3
Cl
3
Ru
N
N
N
N
N
N
N
43a
: R = EtO
43b
:R =Cl
RuCl
3
.
3H
2
O
refluxing
ethanol, 3h
41c
N
-ethylmorpholine
refluxing methanol, 1h
t
-Bu
t
-Bu
42
, 92%
4+
R
R
N
N
N
N
N
N
Ru
Ru
N
N
N
N
N
NH
4
PF
6
N
t
-Bu
t
-Bu
4PF
6
44a
: R = EtO, 73%;
44b
: R = Cl, 68%
Scheme 8
Synthesis of helical dinuclear ruthenium(II) bis(terpyridine) complexes [
44
]
Fig. 12
Structures of 4,5-
disubstituted phenanthrenes
45
and
46
[
46
]
Me
Me
N
Me
N
N
N
H
H
45
46
2.3
4,5-Dihalophenanthrenes
The synthetic procedures for the four 4,5-dihalophenanthrenes
47a-d
(Fig.
13
) have
been reported. For
47a
,
47b
, and perhaps
47c
, the procedures are similar to that
outlined in Scheme
1
[
47
-
49
]. Iodination of 4,5-dilithiophenanthrene produces
