_P.-Powell-auth.-Principles-of-Organometallic-Chemistry-Springer-Netherlands-1988

Table 5.8. General reactions of transition metal complexes
Type of reaction
General equation
1 (a) Dissociation of Lewis base
(b) Association of Lewis base
[reverse of 1(a)]
1(a) & 1(b) Substitution by
dissociative mechanism(D)
1 (c) Synchronous substitution
(I •. lctl
l(b) & l(a) Substttutton by
associative mechanism(A)
2(a) Dissociation of Lewis acid
(b) Association of Lewis acid
(includes protonation)
[reverse of 2(a)]
3(a) Nucleophilic substitution
by complex
4(a) Addition to coordinatively
unsaturated complex
(b) Elimination from coordinatively
saturated complex
[reverse of 4(a)]
5 Free radical pathways:
(a) Radical addition to coordinatively
unsaturated complex
L"_ 1M:L->L"_ 1M + :1
L"_ 1 M + :L-.L"_ 1 M:L
L" _ 1 M: L--> L" _ 1 M + : L }
L"_ 1M + :1' ->L"_ 1M:1'
L': + M1"--> 1': M1" _ 1 + : 1
1"_ 1 M + :1'--> 1"_ 1 M:1'}
1"_ 1 ML' ->1"_ 2 M1' + :1
A:M1"->A + :ML"
A + ML"--+ A: M1"
1"M: + X:Y--> [1"M:X]+ [Y:r
or [1"M:r + X:Y ->1"M:X + [Y:r
_,_x
1" _ 1 M: + X: Y --> L" _ 1 M ..:_
·y
L" 1 M~X ->L"_ 1M:+X-;-Y
·Y
(Q· +X- Y --+Q- Y +X")
x· 7- :M1" _ 1 __. [X:M1"_ 1 ] _,_ x
X:M1"_ 1 +X-;-Y->1"_ 1 M..:_ +X"
·y
(b) Initiated by complex as
radical
L"M· +X-;- Y ->1"M:X + y·
1"M· + y· ->1"M:Y
Change in no. of
electrons in
valence shell
-2
+2
o
o
o
o
o
o
+2
-2
+1
+1
+2
+1
+1
Change in
coordination
number
-1
+1
o
o
o
-1
+1
+1
+1
+2
-2
+1
+1
+2
+1
+1