Chemistry Reference
In-Depth Information
La(OPr
i
)
3
! La[f(OC
2
H
4
)
2
N(C
2
H
4
OH)gf(OC
2
H
4
)N(C
2
H
4
OH)
2
g] C 3Pr
i
OH
R
0
D H;
716
x
D 2
Ti(OPr
i
)
4
!
Pr
i
O
Ti[
OCHR
0
CH
2
3
N]
x
C 3Pr
i
OH
R
0
D H,
717
,
718
Me;
715
x
D 1
Ti(OPr
i
)
4
! Ti[
OC
2
H
4
2
N
C
2
H
4
OH
]
2
C 4Pr
i
OH
R
0
D H;
713
x
D 2
M(OPr
i
)
4
.Pr
i
OH
!
Pr
i
O
M[
OC
2
H
4
3
N]
2
C 4Pr
i
OH
M D Zr,
713
Sn;
621
,
708
R
0
D H;
x
D 1
M(OPr
i
)
4
.Pr
i
OH
x
N(CH
2
CHR
0
OH)
3
! M[(OC
2
H
4
)
2
N(C
2
H
4
OH)]
2
C 5Pr
i
OH
M D Zr,
713
Sn;
621
,
708
R
0
D H;
x
D 2
M(OEt)
5
!
EtO
2
M[
OCH
2
CHR
0
3
N] C 3EtOH
M D Nb; R
0
D H,
625
Me;
715
x
D 1
M D Ta; R
0
D H,
626
Me;
715
x
D 1
Al(OR)
3
! Al[(OC
2
H
4
)
3
N] C 3ROH
R D Pr
i
,Bu
t
;
694
,
719
,
720
x
D 1
R
00
Si(OEt)
3
! R
00
Si[
OC
2
H
4
3
N] C 3EtOH
R
00
D OEt, Ph;
72
x
D 1
Ge(OR)
4
!
RO
Ge[
OC
2
H
4
3
N] C 3ROH
R D Et, Pr
i
;
711
x
D 1
Ge(OR)
4
! Ge[
OC
2
H
4
2
N
C
2
H
4
OH
]
2
C 4ROH
R D Et, Pr
i
;
711
x
D 2
OV(OPr
n
)
3
! OV[
OCH
2
CHR
0
3
N] C 3Pr
n
OH
R
0
D Me, Bu
t
,Ph,
c
-hexyl;
715
x
D 1
RSn (OEt)
3
! RSn[
OC
2
H
4
3
N] C 3EtOH
R D Me; Et, Bu
n
,Ph;
722
x
D 1
R
00
Ge
OR
3
! R
00
Ge[
OC
2
H
4
3
N] C 3ROH
x
D 1; R D Et or Pr
i
;R
0
D H; R
00
D Me; Bu
n
, Ph, etc.
712
Scheme 2.6
of which are biologically active
714
and/or useful in a variety of synthetic (Chapter 3,
Section 2.6) and catalytic systems.
715
4.5
Reactions of
b
-Diketones and
b
-Ketoesters
The enolic form, R
0
C
O
CH
D
C
OH
R
00
of a
ˇ
-diketone (R
0
and R
00
represent an
alkyl or aryl group or their fluoroanalogue) or
ˇ
-ketoester (R
0
D alkyl or aryl, and
