Synthesis, co-ordination chemistry and crystallographic studies of some bis(aminophosphines)
Abstract
1,2-Bis(diphenylphosphinoamino)benzene 1 and
3,4-bis(diphenylphosphinoamino)toluene 2 have been prepared;
1 is oxidised by sulfur or selenium to
C
6
H
4
(NHPPh
2
S)
2
-1,2
3 and
C
6
H
4
(NHPPh
2
Se)
2
-1,2
4 and by sulfur and selenium to
C
6
H
4
(NHPPh
2
S)(NHPPh
2
Se)-1,2
5. The napthalene compounds
C
10
H
6
(NHPPh
2
S)
2
-1,8
6,
C
10
H
6
(NHPPh
2
Se)
2
-1,8
7,
C
10
H
6
(NHPPh
2
S)(NHPPh
2
Se)-1,8
8 and the ethane compound
C
2
H
4
(NHPPh
2
S)
2
-1,2
9 have also been prepared. The co-ordination of 2 to
Mo
0
, Pd
II
, Pt
II
and Au
I
,
i.e. in cis-[Mo(CO)
4
L],
cis-[MCl
2
L] (M = Pd or Pt) and
[(AuCl)
2
L]
[L = MeC
6
H
3
(NHPPh
2
)
2
-3,4] is also described. The crystals structures of
representative examples have been determined.
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