Chemistry Reference
In-Depth Information
benzene
!fAl
OPr
i
2
gfSb[
OC
2
H
4
2
NH]
2
gCPr
i
OH "
F
CAl
OPr
i
3
3
.
104
benzene
!fAl
OPr
i
2
g
2
fM[
OC
2
H
4
2
NH]
3
g
(
G
0
), (
H
0
), (
I
0
)
G
,
H
,
I
C2Al
OPr
i
3
C2Pr
i
OH "
3
.
105
In contrast to insoluble products (
E
)to(
I
), the heterobimetallic products (
E
0
)to(
I
0
)
are soluble colourless monomeric products.
173
2.6 Synthesis of Heterometallic Triethanolaminate (tea) Alkoxide
Derivatives
The reactions of isopropoxides of alkaline earth metals (M D Ca, Sr, Ba) with
(HOC
2
H
4
3
N(H
3
tea) in 1:2 molar ratio yield colourless insoluble nonvolatile solids
(
J
) with the composition, M
H
2
tea
2
, which on treatment with 4 moles of Al
OPr
i
3
afford
173
soluble monomeric heterobimetallic triethanolaminate products (
K
) according
to Eqs (3.106) and (3.107):
benzene
! M
H
2
tea
2
#
(
J
)
M
OPr
i
2
C 2H
3
tea
C 2Pr
i
OH "
3
.
106
benzene
! [fAl
OPr
i
2
g
4
fM
tea
2
g]
(
K
)
J
C 4Al
OPr
i
3
C 4Pr
i
OH "
3
.
107
Triethanolaminates of Al, Sb(
III
)andSn(
IV
) have also been prepared
174
by the reactions
shown in Eqs (3.108) - (3.112):
benzene
! M
0
H
2
tea
Htea
#C3Pr
i
OH "
(
O
), (
P
) Colourless insoluble solid
M
0
OPr
i
3
C 2H
3
tea
3
.
108
where M
0
D Al, Sb.
benzene
! Sn
Htea
2
C 5Pr
i
OH "
(
Q
) Insoluble solid
Sn
OPr
i
4
.
Pr
i
OH C 2H
3
tea
3
.
109
benzene
! [fNb
OPr
i
4
g
3
fAl
tea
2
g] C 3Pr
i
OH "
Soluble, monomeric solid
O
C 3Nb
OPr
i
5
3
.
110
benzene
! [fAl
OPr
i
2
g
3
fSb
tea
2
g] C 3Pr
i
OH "
Soluble, monomeric solid
P
C 3Al
OPr
i
3
3
.
111
Q
C 2Al
OPr
i
3
! [fAl
OPr
i
2
g
2
fSn
tea
2
g] C 2Pr
i
OH "
Soluble, monomeric solid
3
.
112
A number of bimetallic titanium and zirconium (M
0
) derivatives with aluminium
and niobium have been synthesized
43
,
165
,
167
,
168
by the stepwise reactions shown in
Eqs (3.113) - (3.115):
M
0
OPr
i
4
C 2H
3
tea ! M
0
Htea
2
C 4Pr
i
OH "
(
T
), (
U
) Insoluble solids
3
.
113
