JP2000026480A - Production of mu-oxotitanium complex - Google Patents

Abstract

PROBLEM TO BE SOLVED: To industrially advantageously produce a μ-oxotitanium complex useful as a Lewis acid catalyst, an ester-exchanging reaction catalyst or the like by reacting a specified titanium complex having a specific phenol derivative as a ligand with water. SOLUTION: The objective μ-oxotitanium complex of formula II is industrially advantageously produced by reacting a titanium complex of formula I [A is Si or C; Cp is a group having a cyclopentadiene type anion skeleton; X is a halogen or a (substituted) alkoxy; R1 to R4 are each H, a halogen, a 1-20C (substituted) alkyl, a 6-20C (substituted) aryl, a 1-20C (substituted) hydrocarbon- substituted silyl, a 1-20C (substituted) alkoxy, a 6-20 (substituted) aryloxy, or a disubstituted amino having 2-20C (substituted) hydrocarbons; R5 and R6 are each H, a 1-20C (substituted) alkyl, a 6-20C (substituted) aryl, a 1-20C (substituted) hydrocarbon-substituted silyl, a 1-20C alkoxy a 6-20C (substituted) aryloxy or the like], with water.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a method for producing a novel μ-oxo titanium complex which is promising as a Lewis acid catalyst or a transesterification catalyst.

[0002]

2. Description of the Related Art The .mu.-oxo titanium complex of the present invention is a novel compound discovered by the present inventors, and its production method is not known.

[0003]

An object of the present invention is to provide a method for producing a μ-oxo titanium complex represented by the following general formula (1).

[0004]

That is, the present invention provides a compound represented by the general formula (2): (Wherein, A represents a silicon atom or a carbon atom, and Cp
Represents a group having a cyclopentadiene-type anion skeleton, X represents a halogen atom or an optionally substituted alkoxy group, and R ¹ , R ² , R ³ , and R ⁴ each independently represent a hydrogen atom, a halogen atom, Atom, alkyl group having 1 to 20 carbon atoms which may have a substituent, aralkyl group having 7 to 20 carbon atoms which may have a substituent, carbon atom having a substituent An aryl group having 6 to 20 atoms, a hydrocarbon-substituted silyl group having 1 to 20 carbon atoms which may have a substituent, an alkoxy group having 1 to 20 carbon atoms which may have a substituent, An aralkyloxy group having 7 to 20 carbon atoms which may have a substituent, an aryloxy group having 6 to 20 carbon atoms which may have a substituent or carbon which may have a substituent 2-20 atoms
Wherein R ⁵ and R ⁶ each independently represent a hydrogen atom or an optionally substituted carbon atom having 1 to 2 carbon atoms.
An alkyl group having 0, an aralkyl group having 7 to 20 carbon atoms which may have a substituent, an aryl group having 6 to 20 carbon atoms which may have a substituent, A hydrocarbon-substituted silyl group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms which may have a substituent, 7 to 20 carbon atoms optionally having a substituent It represents an aralkyloxy group, an aryloxy group having 6 to 20 carbon atoms which may have a substituent or a disubstituted amino group having 2 to 20 carbon atoms which may have a substituent.
Further, R ¹ , R ² , R ³ , R ⁴ , R ⁵ and R ⁶ may be arbitrarily combined to form a ring. A) reacting a titanium complex represented by formula (1) with water; (Wherein, A, Cp, X, R ¹ , R ² , R ³ , R ⁴ , R ⁵ and R ⁶ represent the same meaning as described above).
It is intended to provide a method for producing an oxotitanium complex.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail. In the μ-oxo titanium complex (1) of the present invention,
Examples of the group having a cyclopentadiene-type anion skeleton represented by the substituent Cp include, for example, η5-cyclopentadienyl group, η5-methylcyclopentadienyl group,
η5-dimethylcyclopentadienyl group, η5-trimethylcyclopentadienyl group, η5-tetramethylcyclopentadienyl group, η5-ethylcyclopentadienyl group, η5-n-propylcyclopentadienyl group, η
5-isopropylcyclopentadienyl group, η5-n-
Butylcyclopentadienyl group, η5-sec-butylcyclopentadienyl group, η5-tert-butylcyclopentadienyl group, η5-n-pentylcyclopentadienyl group, η5-neopentylcyclopentadienyl group, η5 -n-hexylcyclopentadienyl group, η5
-N-octylcyclopentadienyl group, η5-phenylcyclopentadienyl group, η5-naphthylcyclopentadienyl group, η5-trimethylsilylcyclopentadienyl group, η5-triethylsilylcyclopentadienyl group, η5-tert (Substituted) cyclopentadienyl groups such as -butyldimethylsilylcyclopentadienyl group

Η5-indenyl group, η5-methylindenyl group, η5-dimethylindenyl group, η5-ethylindenyl group, η5-n-propylindenyl group, η5-
Isopropylindenyl group, η5-n-butylindenyl group, η5-sec-butylindenyl group, η5-te
rt-butylindenyl group, η5-n-pentylindenyl group, η5-neopentylindenyl group, η5-n-
Hexylindenyl group, η5-n-octylindenyl group, η5-n-decylindenyl group, η5-phenylindenyl group, η5-methylphenylindenyl group, η5
-Naphthylindenyl group, η5-trimethylsilylindenyl group, η5-triethylsilylindenyl group, η5
-Tert-butyldimethylsilylindenyl group, η5
-(Substituted) indenyl groups such as tetrahydroindenyl groups

Η5-fluorenyl group, η5-methylfluorenyl group, η5-ethylfluorenyl group, η5-n-
Propylfluorenyl group, η5-isopropylfluorenyl group, η5-n-butylfluorenyl group, η5-se
c-butylfluorenyl group, η5-tert-butylfluorenyl group, η5-n-pentylfluorenyl group, η
5-neopentylfluorenyl group, η5-n-hexylfluorenyl group, η5-n-octylfluorenyl group,
η5-n-decylfluorenyl group, η5-n-dodecylfluorenyl group, η5-phenylfluorenyl group, η5
(Substituted) fluorenyl such as -naphthylfluorenyl group, η5-trimethylsilylfluorenyl group, η5-triethylsilylfluorenyl group, η5-tert-butyldimethylsilylfluorenyl group, η5-octahydrofluorenyl group, etc. And η5-cyclopentadienyl group, η5-methylcyclopentadienyl group, η5-tert-butylcyclopentadienyl group, η5-tetramethylcyclopentadienyl group, η5
-Indenyl group, η5-tetrahydroindenyl group, η
5-fluorenyl group, η5-octahydrofluorenyl group and the like.

As the halogen atom for the substituents X, R ¹ , R ² , R ³ and R ^{4, a} fluorine atom, a chlorine atom, a bromine atom,
Examples thereof include an iodine atom.

The optionally substituted alkoxy group in the substituent X includes, for example, a methoxy group, an ethoxy group,
n-propoxy group, isopropoxy group, n-butoxy group, sec-butoxy group, tert-butoxy group, n-
Pentoxy, neopentoxy, amyloxy,
aliphatic alkoxy groups such as n-hexoxy group, n-octoxy group and n-decyloxy group

Alkoxyalkoxy groups such as methoxyethoxy, ethoxyethoxy, n-propoxyethoxy, isopropoxyethoxy and phenoxyethoxy

Benzyloxy, (2-methylphenyl) methoxy, (3-methylphenyl) methoxy,
(4-methylphenyl) methoxy group, (2,3-dimethylphenyl) methoxy group, (2,4-dimethylphenyl) methoxy group, (2,5-dimethylphenyl) methoxy group, (2,6-dimethylphenyl) Methoxy group,
(3,4-dimethylphenyl) methoxy group, (2,3
4-trimethylphenyl) methoxy group, (2,3,5-
(Trimethylphenyl) methoxy group, (2,3,6-trimethylphenyl) methoxy group, (3,4,5-trimethylphenyl) methoxy group, (2,4,6-trimethylphenyl) methoxy group, (2,3 4,5-tetramethylphenyl) methoxy group, (2,3,4,6-tetramethylphenyl) methoxy group, (2,3,5,6-tetramethylphenyl) methoxy group, (pentamethylphenyl)
Aralkyloxy groups such as methoxy, (ethylphenyl) methoxy, (n-propylphenyl) methoxy, (isopropylphenyl) methoxy, naphthylmethoxy, anthracenylmethoxy, 1-phenylethoxy and the like; , A haloaralkyloxy group substituted with a halogen such as a chlorine atom or a bromine atom, and a halogen atom in the haloaralkyloxy group, which is a methoxy group, an ethoxy group, an n-propoxy group, an isopropoxy group, an n-butoxy group, a sec-butoxy group. Group, ter
Examples include an alkoxyaralkyloxy group arbitrarily changed to a t-butoxy group or the like, preferably a methoxy group,
Examples include an ethoxy group, an n-propoxy group, an isopropoxy group, a benzyloxy group, and a methoxyethoxy group.

The substituents R ¹ , R ² , R ³ , R ⁴ , R ⁵ , R
^As the alkyl group having 1 to 20 carbon atoms in ⁶ ,
For example, methyl, ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, tert-
Butyl group, n-pentyl group, neopentyl group, amyl group, n-hexyl group, n-octyl group, n-decyl group,
Examples thereof include an n-dodecyl group, an n-pentadecyl group and an n-eicosyl group, and preferably include a methyl group, an ethyl group, an isopropyl group, a tert-butyl group and an amyl group.

Any of these alkyl groups may have a substituent. Examples of the substituent include a halogen atom, a hydroxy group, a cyano group, a nitro group, an amino group, an amide group, an ether residue and an ester residue. And the like.
Examples of the alkyl group having 1 to 20 carbon atoms substituted with a halogen atom include, for example, a halomethyl group, a dihalomethyl group, a trihalomethyl group, a haloethyl group, a dihaloethyl group, a trihaloethyl group, a tetrahaloethyl group, a pentahaloethyl group, Perhalopropyl group, perhalobutyl group,
Examples include a perhalopentyl group, a perhalohexyl group, a perhalooctyl group, a perhalodecyl group, a perhalopentadecyl group, a perhaloeicosyl group, and the like.

The substituents R ¹ , R ² , R ³ , R ⁴ , R ⁵ , R
Examples of the aralkyl group having 7 to 20 carbon atoms in ⁶ include a benzyl group, a (2-methylphenyl) methyl group, a (3-methylphenyl) methyl group, a (4-methylphenyl) methyl group, a (2,3- (Dimethylphenyl) methyl group, (2,4-dimethylphenyl) methyl group, (2,4-
5-dimethylphenyl) methyl group, (2,6-dimethylphenyl) methyl group, (3,4-dimethylphenyl) methyl group, (2,3,4-trimethylphenyl) methyl group, (2,3,5- Trimethylphenyl) methyl group,
(2,3,6-trimethylphenyl) methyl group, (3,3
4,5-trimethylphenyl) methyl group, (2,4,6
-Trimethylphenyl) methyl group, (2,3,4,5-
Tetramethylphenyl) methyl group, (2,3,4,6-
Tetramethylphenyl) methyl group, (2,3,5,6-
(Tetramethylphenyl) methyl group, (pentamethylphenyl) methyl group, (ethylphenyl) methyl group, (n-
Propylphenyl) methyl group, (isopropylphenyl) methyl group, (n-butylphenyl) methyl group, (s
ec-butylphenyl) methyl group, (tert-butylphenyl) methyl group, (n-pentylphenyl) methyl group, (neopentylphenyl) methyl group, (n-hexylphenyl) methyl group, (n-octylphenyl) methyl Group, (n-decylphenyl) methyl group, (n-dodecylphenyl) methyl group, (n-tetradecylphenyl)
Examples include a methyl group, a naphthylmethyl group, and an anthracenylmethyl group, and a benzyl group is preferable. Any of these aralkyl groups may have a substituent, such as a halogen atom, a hydroxy group, a cyano group, a nitro group, an amino group, an amide group, an ether residue, an ester residue, and the like. No.

The substituents R ¹ , R ² , R ³ , R ⁴ , R ⁵ , R
Examples of the aryl group having 6 to 20 carbon atoms in the ^6,
For example, phenyl, 2-tolyl, 3-tolyl, 4-
Tolyl group, 2,3-xylyl group, 2,4-xylyl group,
2,5-xylyl group, 2,6-xylyl group, 3,4-xylyl group, 3,5-xylyl group, 2,3,4-trimethylphenyl group, 2,3,5-trimethylphenyl group,
2,3,6-trimethylphenyl group, 2,4,6-trimethylphenyl group, 3,4,5-trimethylphenyl group, 2,3,4,5-tetramethylphenyl group, 2,
3,4,6-tetramethylphenyl group, 2,3,5,6
A tetramethylphenyl group, a pentamethylphenyl group,
Ethylphenyl group, n-propylphenyl group, isopropylphenyl group, n-butylphenyl group, sec-butylphenyl group, tert-butylphenyl group, n-pentylphenyl group, neopentylphenyl group, n-hexylphenyl group, n -Octylphenyl group, n-decylphenyl group, n-dodecylphenyl group, n-tetradecylphenyl group, naphthyl group, anthracenyl group and the like, and preferably a phenyl group. Any of these aryl groups may have a substituent, such as a halogen atom, a hydroxy group, a cyano group, a nitro group, an amino group, an amide group, an ether residue, an ester residue, and the like. No.

The substituents R ¹ , R ² , R ³ , R ⁴ , R ⁵ , R
The substituted silyl group in ⁶ is a silyl group substituted with a hydrocarbon group, wherein the hydrocarbon group includes, for example, a methyl group, an ethyl group, an n-propyl group, an isopropyl group,
n-butyl group, sec-butyl group, tert-butyl group, isobutyl group, n-pentyl group, n-hexyl group,
Examples thereof include an alkyl group having 1 to 10 carbon atoms such as a cyclohexyl group and an aryl group such as a phenyl group. Examples of the C1-C20 hydrocarbon-substituted silyl group include mono-substituted C1-C20 silyl groups such as methylsilyl group, ethylsilyl group and phenylsilyl group.
Disubstituted silyl group having 2 to 20 carbon atoms such as dimethylsilyl group, diethylsilyl group, diphenylsilyl group, trimethylsilyl group, triethylsilyl group, tri-n-propylsilyl group, triisopropylsilyl group, tri-n-
Butylsilyl group, tri-sec-butylsilyl group, tri-tert-butylsilyl group, tri-isobutylsilyl group, tert-butyl-dimethylsilyl group, tri-n-
A pentylsilyl group, a tri-n-hexylsilyl group, a tricyclohexylsilyl group, a trisubstituted silyl group having 3 to 20 carbon atoms such as a triphenylsilyl group, and the like;
Preferably, a trimethylsilyl group, a tert-butyldimethylsilyl group, and a triphenylsilyl group are exemplified. In any of these substituted silyl groups, the hydrocarbon group may have a substituent, and examples of such a substituent include a halogen atom, a hydroxy group, a cyano group, a nitro group, an amino group,
Examples include an amide group, an ether residue, and an ester residue.

The substituents R ¹ , R ² , R ³ , R ⁴ , R ⁵ , R
^As the alkoxy group having 1 to 20 carbon atoms in ⁶ , for example, methoxy group, ethoxy group, n-propoxy group, isopropoxy group, n-butoxy group, sec-butoxy group, tert-butoxy group, n-pentoxy group, Examples thereof include a neopentoxy group, an n-hexoxy group, an n-octoxy group, an n-dodesoxy group, an n-pentadeoxy group, and an n-icosoxy group, and preferably, a methoxy group, an ethoxy group, and a tert-butoxy group. Any of these alkoxy groups may have a substituent,
Such substituents include a halogen atom, a hydroxy group,
Examples include a cyano group, a nitro group, an amino group, an amide group, an ether residue, and an ester residue.

The substituents R ¹ , R ² , R ³ , R ⁴ , R ⁵ , R
Examples of the aralkyloxy group having 7 to 20 carbon atoms in ⁶ include a benzyloxy group, a (2-methylphenyl) methoxy group, a (3-methylphenyl) methoxy group,
(4-methylphenyl) methoxy group, (2,3-dimethylphenyl) methoxy group, (2,4-dimethylphenyl) methoxy group, (2,5-dimethylphenyl) methoxy group, (2,6-dimethylphenyl) Methoxy group,
(3,4-dimethylphenyl) methoxy group, (3,5-
(Dimethylphenyl) methoxy group, (2,3,4-trimethylphenyl) methoxy group, (2,3,5-trimethylphenyl) methoxy group, (2,3,6-trimethylphenyl) methoxy group, (2,4 5-trimethylphenyl) methoxy group, (2,4,6-trimethylphenyl)
Methoxy group, (3,4,5-trimethylphenyl) methoxy group, (2,3,4,5-tetramethylphenyl) methoxy group, (2,3,4,6-tetramethylphenyl)
Methoxy group, (2,3,5,6-tetramethylphenyl) methoxy group, (pentamethylphenyl) methoxy group, (ethylphenyl) methoxy group, (n-propylphenyl) methoxy group, (isopropylphenyl) methoxy group, (N-butylphenyl) methoxy group, (sec-
(Butylphenyl) methoxy group, (tert-butylphenyl) methoxy group, (n-hexylphenyl) methoxy group, (n-octylphenyl) methoxy group, (n-decylphenyl) methoxy group, (n-tetradecylphenyl) methoxy Groups, a naphthylmethoxy group, an anthracenylmethoxy group and the like, preferably a benzyloxy group. Any of these aralkyloxy groups may have a substituent, and as such a substituent,
Examples include a halogen atom, a hydroxy group, a cyano group, a nitro group, an amino group, an amide group, an ether residue and an ester residue.

The substituents R ¹ , R ² , R ³ , R ⁴ , R ⁵ , R
Examples of the aryloxy group in ⁶ include a phenoxy group, a 2-methylphenoxy group, a 3-methylphenoxy group, a 4-methylphenoxy group, a 2,3-dimethylphenoxy group, a 2,4-dimethylphenoxy group, a 2,5- Dimethylphenoxy group, 2,6-dimethylphenoxy group,
3,4-dimethylphenoxy group, 3,5-dimethylphenoxy group, 2,3,4-trimethylphenoxy group, 2,
3,5-trimethylphenoxy group, 2,3,6-trimethylphenoxy group, 2,4,5-trimethylphenoxy group, 2,4,6-trimethylphenoxy group, 3,4,5
-Trimethylphenoxy group, 2,3,4,5-tetramethylphenoxy group, 2,3,4,6-tetramethylphenoxy group, 2,3,5,6-tetramethylphenoxy group, pentamethylphenoxy group, ethyl Phenoxy group,
n-propylphenoxy group, isopropylphenoxy group, n-butylphenoxy group, sec-butylphenoxy group, tert-butylphenoxy group, n-hexylphenoxy group, n-octylphenoxy group, n-decylphenoxy group, n-tetradecyl Examples thereof include an aryloxy group having 6 to 20 carbon atoms such as a phenoxy group, a naphthoxy group, and an anthracenoxy group. Any of these aryloxy groups may have a substituent, and examples of the substituent include a halogen atom, a hydroxy group, a cyano group,
Examples include a nitro group, an amino group, an amide group, an ether residue and an ester residue.

The substituents R ¹ , R ² , R ³ , R ⁴ , R ⁵ , R
⁶ is a disubstituted amino group having 2 to 20 carbon atoms.
An amino group substituted with two hydrocarbon groups, wherein the hydrocarbon group includes, for example, a methyl group, an ethyl group,
Propyl group, isopropyl group, n-butyl group, sec-
Examples thereof include an alkyl group having 2 to 20 carbon atoms such as a butyl group, a tert-butyl group, an isobutyl group, an n-pentyl group, an n-hexyl group and a cyclohexyl group, and an aryl group such as a phenyl group. Examples of such a disubstituted amino group having 2 to 20 carbon atoms include a dimethylamino group, a diethylamino group, a di-n-propylamino group, a diisopropylamino group, a di-n-butylamino group, a di-sec
-Butylamino group, di-tert-butylamino group, di-isobutylamino group, tert-butylisopropylamino group, di-n-hexylamino group, di-n-octylamino group, di-n-decylamino group, diphenyl Amino group, bistrimethylsilylamino group, bis-tert
-Butyldimethylsilylamino group and the like, preferably a dimethylamino group and a diethylamino group. Any of these disubstituted amino groups may have a substituent, and examples of the substituent include a halogen atom, a hydroxy group, a cyano group, a nitro group, an amino group, an amide group, an ether residue, and an ester residue. And the like.

The substituents R ¹ , R ² , R ³ , R ⁴ , R
⁵ and R ⁶ may be arbitrarily bonded to form a ring.

As the μ-oxo titanium complex (1) of the present invention, for example, when A is a carbon atom,
{(Η5-cyclopentadienyl) (2-phenoxy)
Methane titanium chloride}, μ-oxobis {(η5
-Cyclopentadienyl) (3,5-dimethyl-2-phenoxy) methanetitanium chloride}, μ-oxobis {(η5-cyclopentadienyl) (3-tert-
Butyl-2-phenoxy) methanetitanium chloride}, μ-oxobis {(η5-cyclopentadienyl)
(3-tert-butyl-5-methyl-2-phenoxy) methanetitanium chloride}, μ-oxobis
{(Η5-cyclopentadienyl) (3-phenyl-2
-Phenoxy) methanetitanium chloride}, μ-oxobis {(η5-cyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) methanetitanium chloride}, μ-oxobis {(η5-cyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) methanetitanium chloride}, μ-oxobis {(η5-cyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) methane Titanium chloride}, μ-oxobis
{(Η5-cyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) methanetitanium chloride}

Μ-oxobis {(η5-cyclopentadienyl) (2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5-cyclopentadienyl) (3,5-dimethyl-2-phenoxy) dimethyl Methane titanium chloride}, μ-oxobis {(η5
-Cyclopentadienyl) (3-tert-butyl-2
-Phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5-cyclopentadienyl)
(3-tert-butyl-5-methyl-2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5-cyclopentadienyl) (3-phenyl-2-phenoxy) dimethylmethanetitanium chloride}, μ- Oxobis {(η5-cyclopentadienyl)
(3-trimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5-cyclopentadienyl) (3-tert
-Butyldimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5-cyclopentadienyl) (3-tert
-Butyl-5-methoxy-2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5-
Cyclopentadienyl) (3-tert-butyl-5-
Chloro-2-phenoxy) dimethylmethanetitanium chloride}

Μ-oxobis {(η5-cyclopentadienyl) (2-phenoxy) diphenylmethanetitanium chloride}, μ-oxobis {(η5-cyclopentadienyl) (3,5-dimethyl-2-phenoxy) diphenylmethanetitanium Chloride}, μ-oxobis
{(Η5-cyclopentadienyl) (3-tert-butyl-2-phenoxy) diphenylmethanetitanium chloride}, μ-oxobis {(η5-cyclopentadienyl) (3-tert-butyl-5-methyl-2- Phenoxy) diphenylmethanetitanium chloride}, μ-
Oxobis {(η5-cyclopentadienyl) (3-phenyl-2-phenoxy) diphenylmethanetitanium chloride}, μ-oxobis {(η5-cyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) diphenylmethane Titanium chloride},
μ-oxobis {(η5-cyclopentadienyl) (3-
tert-butyldimethylsilyl-5-methyl-2-phenoxy) diphenylmethanetitanium chloride},
μ-oxobis {(η5-cyclopentadienyl) (3-
tert-butyl-5-methoxy-2-phenoxy) diphenylmethanetitanium chloride}, μ-oxobis
{(Η5-cyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) diphenylmethanetitanium chloride}

Μ-oxobis {(η5-methylcyclopentadienyl) (2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5-methylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) ) Dimethylmethanetitanium chloride}, μ-oxobis {(η5-methylcyclopentadienyl) (3-t
tert-butyl-2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5-methylcyclopentadienyl) (3-tert-butyl-5-methyl-2-phenoxy) dimethylmethanetitanium chloride}, μ- Oxobis {(η5-methylcyclopentadienyl) (3-phenyl-2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5
-Methylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5-methylcyclopentadienyl) (3-tert-butyldimethylsilyl-5- Methyl-2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5-methylcyclopentadienyl) (3-tert-butyl-5
-Methoxy-2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5-methylcyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) dimethylmethanetitanium chloride}

Μ-oxobis {(η5-tert-butylcyclopentadienyl) (2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5-
tert-butylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-tert-butyl-2-
Phenoxy) dimethylmethanetitanium chloride},
μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-tert-butyl-5-methyl-2
-Phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-phenyl-2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis
{(Η5-tert-butylcyclopentadienyl)
(3-trimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) ) Dimethylmethanetitanium chloride}, μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5- tert-butylcyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) dimethylmethanetitanium chloride}

Μ-oxobis {(η5-2,3,4,5-
Tetramethylcyclopentadienyl) (2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5-2,3,4,5-tetramethylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) )
Dimethyl methane titanium chloride}, μ-oxobis
{(Η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-2-phenoxy)
Dimethyl methane titanium chloride}, μ-oxobis
{(Η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methyl-2-
Phenoxy) dimethylmethanetitanium chloride},
μ-oxobis {(η5-2,3,4,5-tetramethylcyclopentadienyl) (3-phenyl-2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5-2,3,4, 5-tetramethylcyclopentadienyl) (3-trimethylsilyl-5-methyl-
2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) dimethyl Methane titanium chloride}, μ-oxobis {(η
5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5-2,3,4 , 5-Tetramethylcyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) dimethylmethanetitanium chloride}

Μ-oxobis {(η5-trimethylsilylcyclopentadienyl) (2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5-
Trimethylsilylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5-trimethylsilylcyclopentadienyl) (3-tert-butyl-2-
Phenoxy) dimethylmethanetitanium chloride},
μ-oxobis {(η5-trimethylsilylcyclopentadienyl) (3-tert-butyl-5-methyl-2-
Phenoxy) dimethylmethanetitanium chloride},
μ-oxobis {(η5-trimethylsilylcyclopentadienyl) (3-phenyl-2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5
-Trimethylsilylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5
-Trimethylsilylcyclopentadienyl) (3-te
rt-butyldimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium chloride}, μ-oxobis {(η5-trimethylsilylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) dimethylmethane Titanium chloride}, μ-oxobis {(η5-trimethylsilylcyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) dimethylmethanetitanium chloride}

Μ-oxobis {(η5-cyclopentadienyl) (2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-cyclopentadienyl)
(3,5-dimethyl-2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-cyclopentadienyl) (3-tert-butyl-2-phenoxy)
Methanetitanium methoxide}, μ-oxobis {(η5
-Cyclopentadienyl) (3-tert-butyl-5
-Methyl-2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-cyclopentadienyl)
(3-phenyl-2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-cyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) methanetitanium methoxide}, μ-oxobis
{(Η5-cyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-
Cyclopentadienyl) (3-tert-butyl-5-
Methoxy-2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-cyclopentadienyl)
(3-tert-butyl-5-chloro-2-phenoxy) methanetitanium methoxide}

Μ-oxobis {(η5-cyclopentadienyl) (2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-cyclopentadienyl) (3,5-dimethyl-2-phenoxy) Dimethylmethanetitanium methoxide}, μ-oxobis {(η5
-Cyclopentadienyl) (3-tert-butyl-2
-Phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-cyclopentadienyl)
(3-tert-butyl-5-methyl-2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-cyclopentadienyl) (3-phenyl-2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-cyclopentadienyl)
(3-trimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-cyclopentadienyl) (3-tert
-Butyldimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-cyclopentadienyl) (3-tert
-Butyl-5-methoxy-2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-
Cyclopentadienyl) (3-tert-butyl-5-
Chloro-2-phenoxy) dimethylmethanetitanium methoxide}

Μ-oxobis {(η5-cyclopentadienyl) (2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis {(η5-cyclopentadienyl) (3,5-dimethyl-2-phenoxy) diphenylmethane Titanium methoxide}, μ-oxobis
{(Η5-cyclopentadienyl) (3-tert-butyl-2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis {(η5-cyclopentadienyl) (3-tert-butyl-5-methyl-2 -Phenoxy) diphenylmethanetitanium methoxide}, μ-
Oxobis {(η5-cyclopentadienyl) (3-phenyl-2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis {(η5-cyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) Diphenylmethane titanium methoxide},
μ-oxobis {(η5-cyclopentadienyl) (3-
tert-butyldimethylsilyl-5-methyl-2-phenoxy) diphenylmethanetitanium methoxide},
μ-oxobis {(η5-cyclopentadienyl) (3-
tert-butyl-5-methoxy-2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis
{(Η5-cyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) diphenylmethanetitanium methoxide}

Μ-oxobis {(η5-methylcyclopentadienyl) (2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-methylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) ) Methanetitanium methoxide}, μ-oxobis {(η5-methylcyclopentadienyl) (3-tert-butyl-
2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-methylcyclopentadienyl) (3
-Tert-butyl-5-methyl-2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-
Methylcyclopentadienyl) (3-phenyl-2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-methylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) methanetitanium methoxy }, Μ-oxobis {(η5-methylcyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-methylcyclopentadiene) Enyl) (3-tert-butyl-5-methoxy-2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-methylcyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) ) Methane titanium methoxide}

Μ-oxobis {(η5-methylcyclopentadienyl) (2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-methylcyclopentadienyl) (3,5-dimethyl-2- Phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-methylcyclopentadienyl) (3-t
tert-butyl-2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-methylcyclopentadienyl) (3-tert-butyl-5-methyl-2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-methylcyclopentadienyl) (3-phenyl-2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5
-Methylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-methylcyclopentadienyl) (3-tert-butyldimethylsilyl-5) -Methyl-2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-methylcyclopentadienyl) (3-tert-butyl-5
-Methoxy-2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-methylcyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) dimethylmethanetitanium methoxide}

Μ-oxobis {(η5-methylcyclopentadienyl) (2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis {(η5-methylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) ) Diphenylmethanetitanium methoxide}, μ-oxobis {(η5-methylcyclopentadienyl) (3
-Tert-butyl-2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis {(η5-methylcyclopentadienyl) (3-tert-butyl-
5-methyl-2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis {(η5-methylcyclopentadienyl) (3-phenyl-2-phenoxy)
Diphenylmethanetitanium methoxide}, μ-oxobis {(η5-methylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) diphenylmethanetitaniummethoxide}, μ-oxobis {(η
5-methylcyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis
{(Η5-methylcyclopentadienyl) (3-ter
t-butyl-5-methoxy-2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis {(η
5-methylcyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) diphenylmethanetitanium methoxide}

Μ-oxobis {(η5-tert-butylcyclopentadienyl) (2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-tert
-Butylcyclopentadienyl) (3,5-dimethyl-
2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-tert-butyl-2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-t
tert-butylcyclopentadienyl) (3-tert
-Butyl-5-methyl-2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-tert-
Butylcyclopentadienyl) (3-phenyl-2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-tert-butylcyclopentadienyl)
(3-trimethylsilyl-5-methyl-2-phenoxy) methanetitanium methoxide}, μ-oxobis
{(Η5-tert-butylcyclopentadienyl)
(3-tert-butyldimethylsilyl-5-methyl-
2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) methanetitanium methoxide}, μ-oxobis { (Η5-tert-butylcyclopentadienyl)
(3-tert-butyl-5-chloro-2-phenoxy) methanetitanium methoxide}

Μ-oxobis {(η5-tert-butylcyclopentadienyl) (2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-
tert-butylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-tert-butyl-2-
Phenoxy) dimethylmethanetitanium methoxide},
μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-tert-butyl-5-methyl-2-
Phenoxy) dimethylmethanetitanium methoxide},
μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-phenyl-2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5
-Tert-butylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5
-Tert-butylcyclopentadienyl) (3-te
rt-butyldimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) ) Dimethylmethanetitanium methoxide}, μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) dimethylmethanetitanium methoxide}

Μ-oxobis {(η5-tert-butylcyclopentadienyl) (2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis {(η5
-Tert-butylcyclopentadienyl) (3,5-
Dimethyl-2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-tert-butyl-
2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-tert-butyl-5-methyl-2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis { (Η5-tert-butylcyclopentadienyl) (3-phenyl-2-phenoxy)
Diphenylmethanetitanium methoxide}, μ-oxobis {(η5-tert-butylcyclopentadienyl)
(3-trimethylsilyl-5-methyl-2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) ) Diphenylmethanetitanium methoxide}, μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis {(η5- tert-butylcyclopentadienyl) (3-tert-butyl-5
-Chloro-2-phenoxy) diphenylmethanetitanium methoxide}

Μ-oxobis {(η5-2,3,4,5-
Tetramethylcyclopentadienyl) (2-phenoxy) methanetitanium methoxide}, μ-oxobis
{(Η5-2,3,4,5-tetramethylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-
2,3,4,5-tetramethylcyclopentadienyl)
(3-tert-butyl-2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-2,3,3
4,5-tetramethylcyclopentadienyl) (3-t
tert-butyl-5-methyl-2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-2,
3,4,5-tetramethylcyclopentadienyl) (3
-Phenyl-2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-2,3,4,5-tetramethylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) methanetitanium Methoxide}, μ-oxobis {(η5-2,3,4,5-
Tetramethylcyclopentadienyl) (3-tert-
Butyldimethylsilyl-5-methyl-2-phenoxy)
Methanetitanium methoxide}, μ-oxobis {(η5
-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) methanetitaniummethoxide}, μ-oxobis
{(Η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-chloro-2-
Phenoxy) methane titanium methoxide}

Μ-oxobis {(η5-2,3,4,5-
Tetramethylcyclopentadienyl) (2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-2,3,4,5-tetramethylcyclopentadienyl) (3,5-dimethyl-2- Phenoxy)
Dimethylmethanetitanium methoxide}, μ-oxobis
{(Η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-2-phenoxy)
Dimethylmethanetitanium methoxide}, μ-oxobis
{(Η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methyl-2-
Phenoxy) dimethylmethanetitanium methoxide},
μ-oxobis {(η5-2,3,4,5-tetramethylcyclopentadienyl) (3-phenyl-2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-2,3,4 , 5-Tetramethylcyclopentadienyl) (3-trimethylsilyl-5-methyl-
2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) Dimethylmethanetitanium methoxide}, μ-oxobis {(η
5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-2,3, 4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) dimethylmethanetitanium methoxide}

Μ-oxobis {(η5-2,3,4,5-
Tetramethylcyclopentadienyl) (2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis {(η5-2,3,4,5-tetramethylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) ) Diphenylmethanetitanium methoxide}, μ-oxobis {(η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis { (Η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methyl-2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis {(η5-2,3, 4,5-tetramethylcyclopentadienyl) (3-phenyl-2
-Phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis {(η5-2,3,4,5-tetramethylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis {(η5-2,3,3
4,5-tetramethylcyclopentadienyl) (3-t
tert-butyldimethylsilyl-5-methyl-2-phenoxy) diphenylmethanetitanium methoxide}, μ-
Oxobis {(η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis {(η5-2, 3,4,5
-Tetramethylcyclopentadienyl) (3-tert
-Butyl-5-chloro-2-phenoxy) diphenylmethanetitanium methoxide}

Μ-oxobis {(η5-trimethylsilylcyclopentadienyl) (2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-trimethylsilylcyclopentadienyl) (3,5-dimethyl-
2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-trimethylsilylcyclopentadienyl) (3-tert-butyl-2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-trimethylsilylcyclopentane) Dienyl) (3-tert
-Butyl-5-methyl-2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-trimethylsilylcyclopentadienyl) (3-phenyl-2-phenoxy) methanetitanium methoxide}, μ-oxobis {( η5-trimethylsilylcyclopentadienyl)
(3-trimethylsilyl-5-methyl-2-phenoxy) methanetitanium methoxide}, μ-oxobis
{(Η5-trimethylsilylcyclopentadienyl)
(3-tert-butyldimethylsilyl-5-methyl-
2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5-trimethylsilylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) methanetitanium methoxide}, μ-oxobis {(η5 -Trimethylsilylcyclopentadienyl)
(3-tert-butyl-5-chloro-2-phenoxy) methanetitanium methoxide}

Μ-oxobis {(η5-trimethylsilylcyclopentadienyl) (2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-
Trimethylsilylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-trimethylsilylcyclopentadienyl) (3-tert-butyl-2-
Phenoxy) dimethylmethanetitanium methoxide},
μ-oxobis {(η5-trimethylsilylcyclopentadienyl) (3-tert-butyl-5-methyl-2-
Phenoxy) dimethylmethanetitanium methoxide},
μ-oxobis {(η5-trimethylsilylcyclopentadienyl) (3-phenyl-2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5
-Trimethylsilylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5
-Trimethylsilylcyclopentadienyl) (3-te
rt-butyldimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium methoxide}, μ-oxobis {(η5-trimethylsilylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) dimethyl Methanetitanium methoxide}, μ-oxobis {(η5-trimethylsilylcyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) dimethylmethanetitanium methoxide}

Μ-oxobis {(η5-trimethylsilylcyclopentadienyl) (2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis {(η5
-Trimethylsilylcyclopentadienyl) (3,5-
Dimethyl-2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis {(η5-trimethylsilylcyclopentadienyl) (3-tert-butyl-
2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis {(η5-trimethylsilylcyclopentadienyl) (3-tert-butyl-5-methyl-2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis {(η5 -Trimethylsilylcyclopentadienyl) (3-phenyl-2-phenoxy)
Diphenylmethanetitanium methoxide}, μ-oxobis {(η5-trimethylsilylcyclopentadienyl)
(3-trimethylsilyl-5-methyl-2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis {(η5-trimethylsilylcyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) diphenylmethane Titanium methoxide}, μ-oxobis {(η5-trimethylsilylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) diphenylmethanetitanium methoxide}, μ-oxobis {(η5-trimethylsilylcyclopentadiene) Enyl) (3-tert-butyl-5
-Chloro-2-phenoxy) diphenylmethanetitanium methoxide}, a compound in which chloride of these compounds is changed to bromide or iodide, a compound in which methoxide is changed to ethoxide, n-propoxide, isopropoxide, benzyl oxide; Compound in which pentadienyl is changed to dimethylcyclopentadienyl, trimethylcyclopentadienyl, n-butylcyclopentadienyl, tert-butyldimethylsilylcyclopentadienyl, indenyl, or fluorenyl, 2
Phenoxy is 3-methyl-2-phenoxy, 3,5-
Compounds changed to di-tert-butyl-2-phenoxy, 3-phenyl-5-methyl-2-phenoxy, 3-tert-butyldimethylsilyl-2-phenoxy, 3-trimethylsilyl-2-phenoxy, methane to diethylmethane And the like.

When A is a silicon atom, μ-oxobis {(η5-cyclopentadienyl) (2-
Phenoxy) dimethylsilanetitanium chloride},
μ-oxobis {(η5-cyclopentadienyl) (3,
5-dimethyl-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-cyclopentadienyl) (3-tert-butyl-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5- Cyclopentadienyl) (3-tert
-Butyl-5-methyl-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-cyclopentadienyl) (3-phenyl-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5 -Cyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-cyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl- 2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-cyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5- Cyclopentadienyl) (3-tert-butyl-5-c B-2-phenoxy) dimethylsilane titanium chloride}

Μ-oxobis {(η5-tert-butyl-cyclopentadienyl) (2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5
-Tert-butyl-cyclopentadienyl) (3,5
-Dimethyl-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-tert-butyl-cyclopentadienyl) (3-tert-butyl-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis { (Η5-tert-butyl-cyclopentadienyl) (3-tert-butyl-5-methyl-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-tert-butyl-cyclopentadienyl) ( 3-phenyl-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-tert-butyl-cyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) dimethylsilanetitanium chloride}, μ -Oxobis {(η5-tert-butyl- Cyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) dimethylsilane titanium chloride}, .mu. Okisobisu {(.eta. @ 5-tert-butyl -
Cyclopentadienyl) (3-tert-butyl-5-
Methoxy-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-tert-butyl-cyclopentadienyl) (3-tert-butyl-
5-chloro-2-phenoxy) dimethylsilanetitanium chloride}

Μ-oxobis {(η5-2,3,4,5-
Tetramethylcyclopentadienyl) (2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-2,3,4,5-tetramethylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) )
Dimethylsilanetitanium chloride}, μ-oxobis
{(Η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-2-phenoxy)
Dimethylsilanetitanium chloride}, μ-oxobis
{(Η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methyl-2-
Phenoxy) dimethylsilanetitanium chloride},
μ-oxobis {(η5-2,3,4,5-tetramethylcyclopentadienyl) (3-phenyl-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-2,3,4, 5-tetramethylcyclopentadienyl) (3-trimethylsilyl-5-methyl-
2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) dimethyl Silantitanium chloride}, μ-oxobis {(η
5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-2,3,4 , 5-Tetramethylcyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) dimethylsilanetitanium chloride}

Μ-oxobis {(η5-indenyl) (2
-Phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-indenyl) (3,5-
Dimethyl-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-indenyl)
(3-tert-butyl-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-
Indenyl) (3-tert-butyl-5-methyl-2
-Phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-indenyl) (3-phenyl-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-indenyl) (3-
Trimethylsilyl-5-methyl-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis
{(Η5-indenyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-indenyl) (3-tert-butyl-5-methoxy-2)
-Phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-indenyl) (3-te
rt-butyl-5-chloro-2-phenoxy) dimethylsilanetitanium chloride}

Μ-oxobis {(η5-fluorenyl)
(2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-fluorenyl) (3,5
-Dimethyl-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-fluorenyl) (3-tert-butyl-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η
5-fluorenyl) (3-tert-butyl-5-methyl-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-fluorenyl) (3-
Phenyl-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-fluorenyl)
(3-trimethylsilyl-5-methyl-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-fluorenyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) dimethylsilanetitanium chloride} , Μ-oxobis {(η
5-fluorenyl) (3-tert-butyl-5-methoxy-2-phenoxy) dimethylsilanetitanium chloride}, μ-oxobis {(η5-fluorenyl) (3
-Tert-butyl-5-chloro-2-phenoxy) dimethylsilanetitanium chloride}

Μ-oxobis {(η5-cyclopentadienyl) (2-phenoxy) diphenylsilanetitanium chloride}, μ-oxobis {(η5-cyclopentadienyl) (3,5-dimethyl-2-phenoxy) diphenyl Silantitanium chloride}, μ-oxobis
{(Η5-cyclopentadienyl) (3-tert-butyl-2-phenoxy) diphenylsilanetitanium chloride}, μ-oxobis {(η5-cyclopentadienyl) (3-tert-butyl-5-methyl-2 -Phenoxy) diphenylsilanetitanium chloride}, μ-
Oxobis {(η5-cyclopentadienyl) (3-phenyl-2-phenoxy) diphenylsilanetitanium chloride}, μ-oxobis {(η5-cyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) Diphenylsilane titanium chloride},
μ-oxobis {(η5-cyclopentadienyl) (3-
tert-butyldimethylsilyl-5-methyl-2-phenoxy) diphenylsilanetitanium chloride},
μ-oxobis {(η5-cyclopentadienyl) (3-
tert-butyl-5-methoxy-2-phenoxy) diphenylsilanetitanium chloride}, μ-oxobis
{(Η5-cyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) diphenylsilanetitanium chloride}

Μ-oxobis {(η5-cyclopentadienyl) (2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-cyclopentadienyl) (3,5-dimethyl-2-phenoxy) Dimethylsilanetitanium methoxide}, μ-oxobis {(η5
-Cyclopentadienyl) (3-tert-butyl-2
-Phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-cyclopentadienyl)
(3-tert-butyl-5-methyl-2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-cyclopentadienyl) (3-phenyl-2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-cyclopentadienyl)
(3-trimethylsilyl-5-methyl-2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-cyclopentadienyl) (3-tert
-Butyldimethylsilyl-5-methyl-2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-cyclopentadienyl) (3-tert
-Butyl-5-methoxy-2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-
Cyclopentadienyl) (3-tert-butyl-5-
Chloro-2-phenoxy) dimethylsilanetitanium methoxide}

Μ-oxobis {(η5-tert-butylcyclopentadienyl) (2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-
tert-butylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-tert-butyl-2-
Phenoxy) dimethylsilanetitanium methoxide},
μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-tert-butyl-5-methyl-2-
Phenoxy) dimethylsilanetitanium methoxide},
μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-phenyl-2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5
-Tert-butylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5
-Tert-butylcyclopentadienyl) (3-te
rt-butyldimethylsilyl-5-methyl-2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) ) Dimethylsilanetitanium methoxide}, μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) dimethylsilanetitanium methoxide}

Μ-oxobis {(η5-2,3,4,5-
Tetramethylcyclopentadienyl) (2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-2,3,4,5-tetramethylcyclopentadienyl) (3,5-dimethyl-2- Phenoxy)
Dimethylsilanetitanium methoxide}, μ-oxobis
{(Η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-2-phenoxy)
Dimethylsilanetitanium methoxide}, μ-oxobis
{(Η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methyl-2-
Phenoxy) dimethylsilanetitanium methoxide},
μ-oxobis {(η5-2,3,4,5-tetramethylcyclopentadienyl) (3-phenyl-2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-2,3,4 , 5-Tetramethylcyclopentadienyl) (3-trimethylsilyl-5-methyl-
2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) Dimethylsilanetitanium methoxide}, μ-oxobis {(η
5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-2,3 4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) dimethylsilanetitanium methoxide}

Μ-oxobis {(η5-indenyl) (2
-Phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-indenyl) (3,5-
Dimethyl-2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-indenyl)
(3-tert-butyl-2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-
Indenyl) (3-tert-butyl-5-methyl-2
-Phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-indenyl) (3-phenyl-2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-indenyl) (3-
Trimethylsilyl-5-methyl-2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis
{(Η5-indenyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-indenyl) (3-tert-butyl-5-methoxy- 2
-Phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-indenyl) (3-te
rt-butyl-5-chloro-2-phenoxy) dimethylsilanetitanium methoxide}

Μ-oxobis {(η5-fluorenyl)
(2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-fluorenyl) (3,5
-Dimethyl-2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-fluorenyl) (3-tert-butyl-2-phenoxy) dimethylsilanetitaniummethoxide}, μ-oxobis {(η
5-fluorenyl) (3-tert-butyl-5-methyl-2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-fluorenyl) (3-
Phenyl-2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-fluorenyl)
(3-trimethylsilyl-5-methyl-2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-fluorenyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) dimethylsilanetitanium methoxy De}, μ-oxobis {(η
5-fluorenyl) (3-tert-butyl-5-methoxy-2-phenoxy) dimethylsilanetitanium methoxide}, μ-oxobis {(η5-fluorenyl) (3
-Tert-butyl-5-chloro-2-phenoxy) dimethylsilanetitanium methoxide}

Μ-oxobis {(η5-cyclopentadienyl) (2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5-cyclopentadienyl) (3,5-dimethyl-2-phenoxy) Diphenylsilanetitanium methoxide}, μ-oxobis
{(Η5-cyclopentadienyl) (3-tert-butyl-2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5-cyclopentadienyl) (3-tert-butyl-5-methyl- 2-phenoxy) diphenylsilanetitanium methoxide}, μ-
Oxobis {(η5-cyclopentadienyl) (3-phenyl-2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5-cyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) ) Diphenylsilane titanium methoxide},
μ-oxobis {(η5-cyclopentadienyl) (3-
tert-butyldimethylsilyl-5-methyl-2-phenoxy) diphenylsilanetitanium methoxide},
μ-oxobis {(η5-cyclopentadienyl) (3-
tert-butyl-5-methoxy-2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis
{(Η5-cyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) diphenylsilanetitanium methoxide}

Μ-oxobis {(η5-tert-butylcyclopentadienyl) (2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5
-Tert-butylcyclopentadienyl) (3,5-
Dimethyl-2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-tert-butyl-
2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-tert-butyl-5-methyl-2-phenoxy) diphenylsilanetitanium methoxide}, μ- Oxobis {(η5-tert-butylcyclopentadienyl) (3-phenyl-2-phenoxy)
Diphenylsilanetitanium methoxide}, μ-oxobis {(η5-tert-butylcyclopentadienyl)
(3-trimethylsilyl-5-methyl-2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2- Phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5-tert-butylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis { (Η5-tert-butylcyclopentadienyl) (3-tert-butyl-5
-Chloro-2-phenoxy) diphenylsilanetitanium methoxide}

Μ-oxobis {(η5-2,3,4,5-
Tetramethylcyclopentadienyl) (2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5-2,3,4,5-tetramethylcyclopentadienyl) (3,5-dimethyl-2- Phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-2-phenoxy) diphenylsilanetitanium methoxide}, μ -Oxobis {(η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methyl-2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5- 2,3,4,5-tetramethylcyclopentadienyl) (3-phenyl-2
-Phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5-2,3,4,5-tetramethylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) diphenylsilanetitanium methoxide }, Μ-oxobis {(η5-2,3,3
4,5-tetramethylcyclopentadienyl) (3-t
tert-butyldimethylsilyl-5-methyl-2-phenoxy) diphenylsilanetitanium methoxide}, μ-
Oxobis {(η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5-2 , 3,4,5
-Tetramethylcyclopentadienyl) (3-tert
-Butyl-5-chloro-2-phenoxy) diphenylsilanetitanium methoxide}

Μ-oxobis {(η5-indenyl) (2
-Phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5-indenyl) (3,5-
Dimethyl-2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5-indenyl)
(3-tert-butyl-2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5
-Indenyl) (3-tert-butyl-5-methyl-
2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5-indenyl) (3-phenyl-2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5-indenyl) (3
-Trimethylsilyl-5-methyl-2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis
{(Η5-indenyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5-
Indenyl) (3-tert-butyl-5-methoxy-
2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5-indenyl) (3-te
rt-butyl-5-chloro-2-phenoxy) diphenylsilanetitanium methoxide}

Μ-oxobis {(η5-fluorenyl)
(2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5-fluorenyl) (3,
5-dimethyl-2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5-fluorenyl) (3-tert-butyl-2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis
{(Η5-fluorenyl) (3-tert-butyl-5
-Methyl-2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5-fluorenyl) (3-phenyl-2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5-fluorenyl) (3 -Trimethylsilyl-5-methyl-2
-Phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5-fluorenyl) (3-t
tert-butyldimethylsilyl-5-methyl-2-phenoxy) diphenylsilanetitanium methoxide}, μ-
Oxobis {(η5-fluorenyl) (3-tert-
Butyl-5-methoxy-2-phenoxy) diphenylsilanetitanium methoxide}, μ-oxobis {(η5-
Fluorenyl) (3-tert-butyl-5-chloro-
2-phenoxy) diphenylsilanetitanium methoxide}

Compounds obtained by changing dimethylsilane to diethylsilane and dimethoxysilane in these compounds, and cyclopentadienyl to dimethylcyclopentadienyl, trimethylcyclopentadienyl, ethylcyclopentadienyl, n-propylcyclopentane Dienyl,
Isopropylcyclopentadienyl, n-butylcyclopentadienyl, sec-butylcyclopentadienyl, isobutylcyclopentadienyl, tert-butyldimethylsilylcyclopentadienyl, phenylcyclopentadienyl, methylindenyl, phenylindenyl A compound in which 2-phenoxy was changed to 3-phenyl-2-phenoxy, 3-trimethylsilyl-2-phenoxy, 3-tert-butyldimethylsilyl-2-phenoxy; and chloride was changed to bromide and iodide. Compounds and compounds in which methoxide is changed to ethoxide, n-propoxide, isopropoxide, methoxyethoxide, benzyl oxide, and the like. Further, the μ-oxo titanium complex (1) may have any composition of a single diastereomer and a diastereomer mixture.

The titanium complex (2) as the starting compound of the present invention, when A is a carbon atom, for example, (η5-
Cyclopentadienyl) (2-phenoxy) methanetitanium dichloride, (η5-cyclopentadienyl)
(3,5-dimethyl-2-phenoxy) methane titanium dichloride, (η5-cyclopentadienyl) (3
-Tert-butyl-2-phenoxy) methanetitanium dichloride, (η5-cyclopentadienyl) (3
-Tert-butyl-5-methyl-2-phenoxy) methanetitanium dichloride, (η5-cyclopentadienyl) (3-phenyl-2-phenoxy) methanetitanium dichloride, (η5-cyclopentadienyl)
(3-trimethylsilyl-5-methyl-2-phenoxy) methanetitanium dichloride, (η5-cyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) methanetitanium dichloride, (η5-cyclo Pentadienyl) (3-te
rt-butyl-5-methoxy-2-phenoxy) methanetitanium dichloride, (η5-cyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) methanetitanium dichloride

(Η5-cyclopentadienyl) (2-phenoxy) dimethylmethanetitanium dichloride,
(Η5-cyclopentadienyl) (3,5-dimethyl-
2-phenoxy) dimethylmethanetitanium dichloride, (η5-cyclopentadienyl) (3-tert-
Butyl-2-phenoxy) dimethylmethanetitanium dichloride, (η5-cyclopentadienyl) (3-t
tert-butyl-5-methyl-2-phenoxy) dimethylmethanetitanium dichloride, (η5-cyclopentadienyl) (3-phenyl-2-phenoxy) dimethylmethanetitanium dichloride, (η5-cyclopentadienyl) (3- Trimethylsilyl-5-methyl-2
-Phenoxy) dimethylmethanetitanium dichloride, (η5-cyclopentadienyl) (3-tert-
Butyldimethylsilyl-5-methyl-2-phenoxy)
Dimethylmethane titanium dichloride, (η5-cyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) dimethylmethanetitanium dichloride, (η5-cyclopentadienyl) (3-te
rt-butyl-5-chloro-2-phenoxy) dimethylmethanetitanium dichloride

(Η5-cyclopentadienyl) (2-phenoxy) diphenylmethanetitanium dichloride,
(Η5-cyclopentadienyl) (3,5-dimethyl-
2-phenoxy) diphenylmethanetitanium dichloride, (η5-cyclopentadienyl) (3-tert
-Butyl-2-phenoxy) diphenylmethanetitanium dichloride, (η5-cyclopentadienyl) (3
-Tert-butyl-5-methyl-2-phenoxy) diphenylmethanetitanium dichloride, (η5-cyclopentadienyl) (3-phenyl-2-phenoxy)
Diphenylmethanetitanium dichloride, (η5-cyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) diphenylmethanetitanium dichloride, (η5-cyclopentadienyl) (3-t
tert-butyldimethylsilyl-5-methyl-2-phenoxy) diphenylmethanetitanium dichloride,
(Η5-cyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) diphenylmethanetitanium dichloride, (η5-cyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) Diphenylmethane titanium dichloride

(Η5-methylcyclopentadienyl)
(2-phenoxy) dimethylmethanetitanium dichloride, (η5-methylcyclopentadienyl) (3,5
-Dimethyl-2-phenoxy) dimethylmethanetitanium dichloride, (η5-methylcyclopentadienyl) (3-tert-butyl-2-phenoxy) dimethylmethanetitanium dichloride, (η5-methylcyclopentadienyl) (3-tert -Butyl-5-methyl-2-phenoxy) dimethylmethanetitanium dichloride, (η5-methylcyclopentadienyl) (3-
Phenyl-2-phenoxy) dimethylmethanetitanium dichloride, (η5-methylcyclopentadienyl)
(3-trimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium dichloride, (η5-
Methylcyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium dichloride, (η5-methylcyclopentadienyl) (3-tert-butyl-5-methoxy-2- Phenoxy) dimethylmethanetitanium dichloride, (η5-methylcyclopentadienyl) (3
-Tert-butyl-5-chloro-2-phenoxy) dimethylmethanetitanium dichloride

(Η5-tert-butylcyclopentadienyl) (2-phenoxy) dimethylmethanetitanium dichloride, (η5-tert-butylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) dimethylmethanetitanium dichloride , (Η5-te
rt-butylcyclopentadienyl) (3-tert-
Butyl-2-phenoxy) dimethylmethanetitanium dichloride, (η5-tert-butylcyclopentadienyl) (3-tert-butyl-5-methyl-2-
Phenoxy) dimethylmethanetitanium dichloride,
(Η5-tert-butylcyclopentadienyl)
(3-phenyl-2-phenoxy) dimethylmethanetitanium dichloride, (η5-tert-butylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium dichloride, (η5-tert-butylcyclo) Pentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium dichloride, (η5-tert-butylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-
Phenoxy) dimethylmethanetitanium dichloride,
(Η5-tert-butylcyclopentadienyl)
(3-tert-butyl-5-chloro-2-phenoxy) dimethylmethanetitanium dichloride

(Η5-2,3,4,5-tetramethylcyclopentadienyl) (2-phenoxy) dimethylmethanetitanium dichloride, (η5-2,3,4,5-
Tetramethylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) dimethylmethanetitanium dichloride, (η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-2- Phenoxy) dimethylmethanetitanium dichloride, (η5
-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methyl-2-phenoxy) dimethylmethanetitanium dichloride, (η5
-2,3,4,5-tetramethylcyclopentadienyl) (3-phenyl-2-phenoxy) dimethylmethanetitanium dichloride, (η5-2,3,4,5-tetramethylcyclopentadienyl) (3 -Trimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium dichloride, (η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) ) Dimethylmethane titanium dichloride, (η5-2,3,3)
4,5-tetramethylcyclopentadienyl) (3-t
tert-butyl-5-methoxy-2-phenoxy) dimethylmethanetitanium dichloride, (η5-2,3,
4,5-tetramethylcyclopentadienyl) (3-t
tert-butyl-5-chloro-2-phenoxy) dimethylmethanetitanium dichloride

(Η5-trimethylsilylcyclopentadienyl) (2-phenoxy) dimethylmethanetitanium dichloride, (η5-trimethylsilylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) dimethylmethanetitanium dichloride, (η5- Trimethylsilylcyclopentadienyl) (3-tert-butyl-2-phenoxy) dimethylmethanetitanium dichloride, (η5-trimethylsilylcyclopentadienyl) (3-tert-butyl-5-methyl-2-phenoxy) dimethylmethanetitanium dichloride , (Η5
-Trimethylsilylcyclopentadienyl) (3-phenyl-2-phenoxy) dimethylmethanetitanium dichloride, (η5-trimethylsilylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium dichloride, (η
5-trimethylsilylcyclopentadienyl) (3-t
tert-butyldimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium dichloride, (η
5-trimethylsilylcyclopentadienyl) (3-t
tert-butyl-5-methoxy-2-phenoxy) dimethylmethanetitanium dichloride, (η5-trimethylsilylcyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) dimethylmethanetitanium dichloride

(Η5-cyclopentadienyl) (2-phenoxy) methanetitanium dimethoxide, (η5-cyclopentadienyl) (3,5-dimethyl-2-phenoxy) methanetitanium dimethoxide, (η5-cyclopentane) Dienyl) (3-tert-butyl-2-phenoxy) methanetitanium dimethoxide, (η5-cyclopentadienyl) (3-tert-butyl-5-methyl-2-phenoxy) methanetitanium dimethoxide,
(Η5-cyclopentadienyl) (3-phenyl-2-
Phenoxy) methanetitanium dimethoxide, (η5-
Cyclopentadienyl) (3-trimethylsilyl-5-
Methyl-2-phenoxy) methanetitanium dimethoxide, (η5-cyclopentadienyl) (3-tert-
Butyldimethylsilyl-5-methyl-2-phenoxy)
Methanetitanium dimethoxide, (η5-cyclopentadienyl) (3-tert-butyl-5-methoxy-2
-Phenoxy) methane titanium dimethoxide, (η5
-Cyclopentadienyl) (3-tert-butyl-5
-Chloro-2-phenoxy) methanetitanium dimethoxide

(Η5-cyclopentadienyl) (2-phenoxy) dimethylmethanetitanium dimethoxide,
(Η5-cyclopentadienyl) (3,5-dimethyl-
2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-cyclopentadienyl) (3-tert-
Butyl-2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-cyclopentadienyl) (3-t
tert-butyl-5-methyl-2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-cyclopentadienyl) (3-phenyl-2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-cyclopentadienyl) ( 3-trimethylsilyl-5-methyl-2
-Phenoxy) dimethylmethanetitanium dimethoxide, (η5-cyclopentadienyl) (3-tert-
Butyldimethylsilyl-5-methyl-2-phenoxy)
Dimethylmethanetitanium dimethoxide, (η5-cyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-cyclopentadienyl) (3-te
rt-butyl-5-chloro-2-phenoxy) dimethylmethanetitanium dimethoxide

(Η5-cyclopentadienyl) (2-phenoxy) diphenylmethanetitanium dimethoxide,
(Η5-cyclopentadienyl) (3,5-dimethyl-
2-phenoxy) diphenylmethanetitanium dimethoxide, (η5-cyclopentadienyl) (3-tert
-Butyl-2-phenoxy) diphenylmethanetitanium dimethoxide, (η5-cyclopentadienyl) (3
-Tert-butyl-5-methyl-2-phenoxy) diphenylmethanetitanium dimethoxide, (η5-cyclopentadienyl) (3-phenyl-2-phenoxy)
Diphenylmethane titanium dimethoxide, (η5-cyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) diphenylmethanetitanium dimethoxide, (η5-cyclopentadienyl) (3-t
tert-butyldimethylsilyl-5-methyl-2-phenoxy) diphenylmethanetitanium dimethoxide,
(Η5-cyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) diphenylmethanetitanium dimethoxide, (η5-cyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) ) Diphenylmethane titanium dimethoxide

(Η5-methylcyclopentadienyl)
(2-phenoxy) methane titanium dimethoxide,
(Η5-methylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) methanetitanium dimethoxide, (η5-methylcyclopentadienyl) (3-te
rt-butyl-2-phenoxy) methanetitanium dimethoxide, (η5-methylcyclopentadienyl) (3
-Tert-butyl-5-methyl-2-phenoxy) methanetitanium dimethoxide, (η5-methylcyclopentadienyl) (3-phenyl-2-phenoxy) methanetitanium dimethoxide, (η5-methylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2
-Phenoxy) methane titanium dimethoxide, (η5
-Methylcyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) methanetitanium dimethoxide, (η5-methylcyclopentadienyl) (3-tert-butyl-5-methoxy-
2-phenoxy) methanetitanium dimethoxide, (η
5-methylcyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) methanetitanium dimethoxide

(Η5-tert-butylcyclopentadienyl) (2-phenoxy) methanetitanium dimethoxide, (η5-tert-butylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) methanetitanium dimethoxide , (Η5-tert-butylcyclopentadienyl) (3-tert-butyl-2-phenoxy) methanetitanium dimethoxide, (η5-tert-butylcyclopentadienyl)
t-butylcyclopentadienyl) (3-tert-butyl-5-methyl-2-phenoxy) methanetitanium dimethoxide, (η5-tert-butylcyclopentadienyl) (3-phenyl-2-phenoxy) methanetitanium Dimethoxide, (η5-tert-butylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) methanetitanium dimethoxide,
(Η5-tert-butylcyclopentadienyl) (3
-Tert-butyldimethylsilyl-5-methyl-2-
Phenoxy) methanetitanium dimethoxide, (η5-
tert-butylcyclopentadienyl) (3-ter
t-butyl-5-methoxy-2-phenoxy) methanetitanium dimethoxide, (η5-tert-butylcyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) methanetitanium dimethoxide

(Η5-2,3,4,5-tetramethylcyclopentadienyl) (2-phenoxy) methanetitanium dimethoxide, (η5-2,3,4,5-tetramethylcyclopentadienyl) ( 3,5-dimethyl-2-
Phenoxy) methanetitanium dimethoxide, (η5-
2,3,4,5-tetramethylcyclopentadienyl)
(3-tert-butyl-2-phenoxy) methane titanium dimethoxide, (η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methyl-2-phenoxy) methane Titanium dimethoxide, (η5-2,3,4,5-tetramethylcyclopentadienyl) (3-phenyl-2-phenoxy)
Methane titanium dimethoxide, (η5-2,3,4,
5-tetramethylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) methanetitanium dimethoxide, (η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert- Butyldimethylsilyl-5-methyl-2-phenoxy) methanetitanium dimethoxide, (η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) Methane titanium dimethoxide, (η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5
-Chloro-2-phenoxy) methanetitanium dimethoxide

(Η5-trimethylsilylcyclopentadienyl) (2-phenoxy) methanetitanium dimethoxide, (η5-trimethylsilylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) methanetitanium dimethoxide, (η5- Trimethylsilylcyclopentadienyl) (3-tert-butyl-2-phenoxy) methanetitanium dimethoxide, (η5-trimethylsilylcyclopentadienyl) (3-tert-butyl-5-methyl-2-phenoxy) methanetitanium dimethoxide (Η5-trimethylsilylcyclopentadienyl) (3-phenyl-2-phenoxy) methanetitanium dimethoxide, (η5-trimethylsilylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) meth Down titanium dimethoxide,
(Η5-trimethylsilylcyclopentadienyl) (3
-Tert-butyldimethylsilyl-5-methyl-2-
Phenoxy) methanetitanium dimethoxide, (η5-
Trimethylsilylcyclopentadienyl) (3-ter
t-butyl-5-methoxy-2-phenoxy) methanetitanium dimethoxide, (η5-trimethylsilylcyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) methanetitanium dimethoxide

(Η5-methylcyclopentadienyl)
(2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-methylcyclopentadienyl) (3,5
-Dimethyl-2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-methylcyclopentadienyl) (3-tert-butyl-2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-methylcyclopentadienyl) (3 -Tert-butyl-5-methyl-2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-methylcyclopentadienyl) (3-
Phenyl-2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-methylcyclopentadienyl)
(3-trimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-
Methylcyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-methylcyclopentadienyl) (3-tert-butyl-5-methoxy-2) -Phenoxy) dimethylmethanetitanium dimethoxide, (η5-methylcyclopentadienyl) (3
-Tert-butyl-5-chloro-2-phenoxy) dimethylmethanetitanium dimethoxide

(Η5-tert-butylcyclopentadienyl) (2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-tert-butylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) dimethylmethanetitanium Dimethoxide, (η5-tert
-Butylcyclopentadienyl) (3-tert-butyl-2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-tert-butylcyclopentadienyl) (3-tert-butyl-5-methyl-2-phenoxy) Dimethyl methane titanium dimethoxide, (η5
-Tert-butylcyclopentadienyl) (3-phenyl-2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-tert-butylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) dimethylmethane Titanium dimethoxide, (η
5-tert-butylcyclopentadienyl) (3-t
tert-butyldimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium dimethoxide, (η
5-tert-butylcyclopentadienyl) (3-t
tert-butyl-5-methoxy-2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-tert
-Butylcyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) dimethylmethanetitanium dimethoxide

(Η5-2,3,4,5-tetramethylcyclopentadienyl) (2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-2,3,4,5-
Tetramethylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-2 -Phenoxy) dimethylmethanetitanium dimethoxide, (η5
-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methyl-2-phenoxy) dimethylmethanetitanium dimethoxide, (η5
-2,3,4,5-tetramethylcyclopentadienyl) (3-phenyl-2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-2,3,4,5-tetramethylcyclopentadienyl) ( 3-trimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2) -Phenoxy) dimethylmethanetitanium dimethoxide, (η5-2,3,3)
4,5-tetramethylcyclopentadienyl) (3-t
tert-butyl-5-methoxy-2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-2,3,3)
4,5-tetramethylcyclopentadienyl) (3-t
tert-butyl-5-chloro-2-phenoxy) dimethylmethanetitanium dimethoxide

(Η5-trimethylsilylcyclopentadienyl) (2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-trimethylsilylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) dimethylmethanetitanium dimethoxide, η5-trimethylsilylcyclopentadienyl) (3-tert-butyl-2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-trimethylsilylcyclopentadienyl) (3-tert-butyl-5-methyl-2-phenoxy) dimethyl Methane titanium dimethoxide, (η5
-Trimethylsilylcyclopentadienyl) (3-phenyl-2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-trimethylsilylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium dimethoxide, (Η
5-trimethylsilylcyclopentadienyl) (3-t
tert-butyldimethylsilyl-5-methyl-2-phenoxy) dimethylmethanetitanium dimethoxide, (η
5-trimethylsilylcyclopentadienyl) (3-t
tert-butyl-5-methoxy-2-phenoxy) dimethylmethanetitanium dimethoxide, (η5-trimethylsilylcyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) dimethylmethanetitanium dimethoxide

(Η5-methylcyclopentadienyl)
(2-phenoxy) diphenylmethanetitanium dimethoxide, (η5-methylcyclopentadienyl) (3
5-dimethyl-2-phenoxy) diphenylmethanetitanium dimethoxide, (η5-methylcyclopentadienyl) (3-tert-butyl-2-phenoxy) diphenylmethanetitanium dimethoxide, (η5-methylcyclopentadienyl) (3- tert-butyl-5
Methyl-2-phenoxy) diphenylmethanetitanium dimethoxide, (η5-methylcyclopentadienyl)
(3-phenyl-2-phenoxy) diphenylmethanetitanium dimethoxide, (η5-methylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) diphenylmethanetitanium dimethoxide,
(Η5-methylcyclopentadienyl) (3-tert
-Butyldimethylsilyl-5-methyl-2-phenoxy) diphenylmethanetitanium dimethoxide, (η5
-Methylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) diphenylmethanetitanium dimethoxide, (η5-methylcyclopentadienyl) (3-tert-butyl-5-chloro-2-
Phenoxy) diphenylmethanetitanium dimethoxide

(Η5-tert-butylcyclopentadienyl) (2-phenoxy) diphenylmethanetitanium dimethoxide, (η5-tert-butylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) diphenylmethanetitanium dimethoxide , (Η−5−t
tert-butylcyclopentadienyl) (3-tert
-Butyl-2-phenoxy) diphenylmethanetitanium dimethoxide, (η-5-tert-butylcyclopentadienyl) (3-tert-butyl-5-methyl-
2-phenoxy) diphenylmethanetitanium dimethoxide, (η-5-tert-butylcyclopentadienyl) (3-phenyl-2-phenoxy) diphenylmethanetitanium dimethoxide, (η-5-tert-butylcyclopentadienyl) ( 3-trimethylsilyl-5
-Methyl-2-phenoxy) diphenylmethanetitanium dimethoxide, (η-5-tert-butylcyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) diphenylmethanetitanium dimethoxide, (η- 5-tert-butylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) diphenylmethanetitanium dimethoxide, (η-5-tert-butylcyclopentadienyl) (3-tert-butyl- 5-chloro-2-
Phenoxy) diphenylmethanetitanium dimethoxide

(Η5-2,3,4,5-tetramethylcyclopentadienyl) (2-phenoxy) diphenylmethanetitanium dimethoxide, (η5-2,3,4,5
-Tetramethylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) diphenylmethanetitanium dimethoxide, (η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-2 -Phenoxy) diphenylmethanetitanium dimethoxide,
(Η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methyl-2-phenoxy) diphenylmethanetitanium dimethoxide,
(Η5-2,3,4,5-tetramethylcyclopentadienyl) (3-phenyl-2-phenoxy) diphenylmethanetitanium dimethoxide, (η5-2,3,4,
5-tetramethylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) diphenylmethanetitanium dimethoxide, (η5-2,3,4,
5-tetramethylcyclopentadienyl) (3-ter
t-butyldimethylsilyl-5-methyl-2-phenoxy) diphenylmethanetitanium dimethoxide, (η5
-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) diphenylmethanetitanium dimethoxide,
(Η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) diphenylmethanetitanium dimethoxide

(Η5-trimethylsilylcyclopentadienyl) (2-phenoxy) diphenylmethanetitanium dimethoxide, (η5-trimethylsilylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) diphenylmethanetitanium dimethoxide, (η5- Trimethylsilylcyclopentadienyl) (3-tert-
Butyl-2-phenoxy) diphenylmethanetitanium dimethoxide, (η5-trimethylsilylcyclopentadienyl) (3-tert-butyl-5-methyl-2-
Phenoxy) diphenylmethanetitanium dimethoxide, (η5-trimethylsilylcyclopentadienyl)
(3-phenyl-2-phenoxy) diphenylmethanetitanium dimethoxide, (η5-trimethylsilylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) diphenylmethanetitanium dimethoxide, (η5-trimethylsilylcyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) diphenylmethanetitanium dimethoxide, (η5-trimethylsilylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-
Phenoxy) diphenylmethanetitanium dimethoxide, (η5-trimethylsilylcyclopentadienyl)
(3-tert-butyl-5-chloro-2-phenoxy) diphenylmethanetitanium dimethoxide

Compounds obtained by changing chlorides of these compounds to bromide and iodide, methoxide to ethoxide, n-propoxide, isopropoxide,
Methoxy ethoxide, a compound changed to benzyl oxide, cyclopentadienyl to dimethylcyclopentadienyl, trimethylcyclopentadienyl, n-butylcyclopentadienyl, tert-butyldimethylsilylcyclopentadienyl, indenyl, fluorenyl The modified compound, 2-phenoxy, was converted to 3-methyl-2-phenoxy, 3,5-di-tert-butyl-2-phenoxy, 3-phenyl-5-methyl-2-phenoxy,
tert-butyldimethylsilyl-2-phenoxy, 3
-Trimethylsilyl-2-phenoxy, a compound in which methane is changed to diethylmethane, and the like.

When A is a silicon atom, (η5-cyclopentadienyl) (2-phenoxy) dimethylsilanetitanium dichloride, (η5-cyclopentadienyl)
(3,5-dimethyl-2-phenoxy) dimethylsilanetitanium dichloride, (η5-cyclopentadienyl) (3-tert-butyl-2-phenoxy) dimethylsilanetitanium dichloride, (η5-cyclopentadienyl) (3 -Tert-butyl-5-methyl-2
-Phenoxy) dimethylsilanetitanium dichloride, (η5-cyclopentadienyl) (3-phenyl-
2-phenoxy) dimethylsilanetitanium dichloride, (η5-cyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) dimethylsilanetitanium dichloride, (η5-cyclopentadienyl) (3-tert-butyldimethyl Silyl-5-methyl-2-phenoxy) dimethylsilanetitanium dichloride, (η5-cyclopentadienyl) (3-ter
t-butyl-5-methoxy-2-phenoxy) dimethylsilanetitanium dichloride, (η5-cyclopentadienyl) (3-tert-butyl-5-chloro-2-
Phenoxy) dimethylsilane titanium dichloride

(Η5-tert-butyl-cyclopentadienyl) (2-phenoxy) dimethylsilanetitanium dichloride, (η5-tert-butyl-cyclopentadienyl) (3,5-dimethyl-2-phenoxy)
Dimethylsilanetitanium dichloride, (η5-te
rt-butyl-cyclopentadienyl) (3-tert
-Butyl-2-phenoxy) dimethylsilanetitanium dichloride, (η5-tert-butyl-cyclopentadienyl) (3-tert-butyl-5-methyl-2
-Phenoxy) dimethylsilanetitanium dichloride, (η5-tert-butyl-cyclopentadienyl) (3-phenyl-2-phenoxy) dimethylsilanetitanium dichloride, (η5-tert-butyl-
Cyclopentadienyl) (3-trimethylsilyl-5-
Methyl-2-phenoxy) dimethylsilanetitanium dichloride, (η5-tert-butyl-cyclopentadienyl) (3-tert-butyldimethylsilyl-5
-Methyl-2-phenoxy) dimethylsilanetitanium dichloride, (η5-tert-butyl-cyclopentadienyl) (3-tert-butyl-5-methoxy-
2-phenoxy) dimethylsilanetitanium dichloride, (η5-tert-butyl-cyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) dimethylsilanetitanium dichloride

(Η5-2,3,4,5-tetramethylcyclopentadienyl) (2-phenoxy) dimethylsilanetitanium dichloride, (η5-2,3,4,5-
Tetramethylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) dimethylsilanetitanium dichloride, (η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-2- Phenoxy) dimethylsilanetitanium dichloride, (η5
-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methyl-2-phenoxy) dimethylsilanetitanium dichloride, (η5
-2,3,4,5-tetramethylcyclopentadienyl) (3-phenyl-2-phenoxy) dimethylsilanetitanium dichloride, (η5-2,3,4,5-tetramethylcyclopentadienyl) (3 -Trimethylsilyl-5-methyl-2-phenoxy) dimethylsilanetitanium dichloride, (η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) ) Dimethylsilane titanium dichloride, (η5-2,3,3)
4,5-tetramethylcyclopentadienyl) (3-t
tert-butyl-5-methoxy-2-phenoxy) dimethylsilanetitanium dichloride, (η5-2,3,3)
4,5-tetramethylcyclopentadienyl) (3-t
tert-butyl-5-chloro-2-phenoxy) dimethylsilanetitanium dichloride

(Η5-indenyl) (2-phenoxy)
Dimethylsilanetitanium dichloride, (η5-indenyl) (3,5-dimethyl-2-phenoxy) dimethylsilanetitanium dichloride, (η5-indenyl) (3-tert-butyl-2-phenoxy) dimethylsilanetitanium dichloride, (η5- Indenyl) (3-tert-butyl-5-methyl-2-phenoxy) dimethylsilanetitanium dichloride, (η5
-Indenyl) (3-phenyl-2-phenoxy) dimethylsilanetitanium dichloride, (η5-indenyl) (3-trimethylsilyl-5-methyl-2-phenoxy) dimethylsilanetitanium dichloride, (η5
-Indenyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) dimethylsilanetitanium dichloride, (η5-indenyl) (3-ter
t-butyl-5-methoxy-2-phenoxy) dimethylsilanetitanium dichloride, (η5-indenyl)
(3-tert-butyl-5-chloro-2-phenoxy) dimethylsilanetitanium dichloride

(Η5-fluorenyl) (2-phenoxy) dimethylsilanetitanium dichloride,
Fluorenyl) (3,5-dimethyl-2-phenoxy)
Dimethylsilanetitanium dichloride, (η5-fluorenyl) (3-tert-butyl-2-phenoxy)
Dimethylsilanetitanium dichloride, (η5-fluorenyl) (3-tert-butyl-5-methyl-2-
Phenoxy) dimethylsilanetitanium dichloride,
(Η5-fluorenyl) (3-phenyl-2-phenoxy) dimethylsilanetitanium dichloride, (η5-
Fluorenyl) (3-trimethylsilyl-5-methyl-
2-phenoxy) dimethylsilanetitanium dichloride, (η5-fluorenyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) dimethylsilanetitanium dichloride, (η5-fluorenyl) (3-tert-butyl-5 (Methoxy-2-phenoxy) dimethylsilanetitanium dichloride, (η
5-fluorenyl) (3-tert-butyl-5-chloro-2-phenoxy) dimethylsilanetitanium dichloride

(Η5-cyclopentadienyl) (2-phenoxy) diphenylsilanetitanium dichloride,
(Η5-cyclopentadienyl) (3,5-dimethyl-
2-phenoxy) diphenylsilanetitanium dichloride, (η5-cyclopentadienyl) (3-tert
-Butyl-2-phenoxy) diphenylsilanetitanium dichloride, (η5-cyclopentadienyl) (3
-Tert-butyl-5-methyl-2-phenoxy) diphenylsilanetitanium dichloride, (η5-cyclopentadienyl) (3-phenyl-2-phenoxy)
Diphenylsilanetitanium dichloride, (η5-cyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) diphenylsilanetitanium dichloride, (η5-cyclopentadienyl) (3-t
tert-butyldimethylsilyl-5-methyl-2-phenoxy) diphenylsilanetitanium dichloride,
(Η5-cyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) diphenylsilanetitanium dichloride, (η5-cyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) ) Diphenylsilane titanium dichloride

(Η5-cyclopentadienyl) (2-phenoxy) dimethylsilanetitanium dimethoxide,
(Η5-cyclopentadienyl) (3,5-dimethyl-
2-phenoxy) dimethylsilanetitanium dimethoxide, (η5-cyclopentadienyl) (3-tert-
Butyl-2-phenoxy) dimethylsilanetitanium dimethoxide, (η5-cyclopentadienyl) (3-t
tert-butyl-5-methyl-2-phenoxy) dimethylsilanetitanium dimethoxide, (η5-cyclopentadienyl) (3-phenyl-2-phenoxy) dimethylsilanetitanium dimethoxide, (η5-cyclopentadienyl) ( 3-trimethylsilyl-5-methyl-2
-Phenoxy) dimethylsilanetitanium dimethoxide, (η5-cyclopentadienyl) (3-tert-
Butyldimethylsilyl-5-methyl-2-phenoxy)
Dimethylsilanetitanium dimethoxide, (η5-cyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) dimethylsilanetitanium dimethoxide, (η5-cyclopentadienyl) (3-te
rt-butyl-5-chloro-2-phenoxy) dimethylsilanetitanium dimethoxide

(Η5-tert-butylcyclopentadienyl) (2-phenoxy) dimethylsilanetitanium dimethoxide, (η5-tert-butylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) dimethylsilanetitanium Dimethoxide, (η-5-ter
t-butylcyclopentadienyl) (3-tert-butyl-2-phenoxy) dimethylsilanetitanium dimethoxide, (η5-tert-butylcyclopentadienyl) (3-tert-butyl-5-methyl-2-phenoxy) ) Dimethylsilanetitanium dimethoxide, (η
5-tert-butylcyclopentadienyl) (3-phenyl-2-phenoxy) dimethylsilanetitanium dimethoxide, (η5-tert-butylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) dimethyl Silantitanium dimethoxide,
(Η5-tert-butylcyclopentadienyl) (3
-Tert-butyldimethylsilyl-5-methyl-2-
Phenoxy) dimethylsilanetitanium dimethoxide,
(Η5-tert-butylcyclopentadienyl) (3
-Tert-butyl-5-methoxy-2-phenoxy)
Dimethylsilanetitanium dimethoxide, (η5-te
rt-butylcyclopentadienyl) (3-tert-
Butyl-5-chloro-2-phenoxy) dimethylsilanetitanium dimethoxide

(Η5-2,3,4,5-tetramethylcyclopentadienyl) (2-phenoxy) dimethylsilanetitanium dimethoxide, (η5-2,3,4,5-
Tetramethylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) dimethylsilanetitanium dimethoxide, (η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-2 -Phenoxy) dimethylsilanetitanium dimethoxide, (η5
-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methyl-2-phenoxy) dimethylsilanetitanium dimethoxide, (η5
-2,3,4,5-tetramethylcyclopentadienyl) (3-phenyl-2-phenoxy) dimethylsilanetitanium dimethoxide, (η5-2,3,4,5-tetramethylcyclopentadienyl) ( 3-trimethylsilyl-5-methyl-2-phenoxy) dimethylsilanetitanium dimethoxide, (η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2 -Phenoxy) dimethylsilanetitanium dimethoxide, (η5-2,3,3)
4,5-tetramethylcyclopentadienyl) (3-t
tert-butyl-5-methoxy-2-phenoxy) dimethylsilanetitanium dimethoxide, (η5-2,3,3)
4,5-tetramethylcyclopentadienyl) (3-t
tert-butyl-5-chloro-2-phenoxy) dimethylsilanetitanium dimethoxide

(Η5-indenyl) (2-phenoxy)
Dimethylsilanetitanium dimethoxide, (η5-indenyl) (3,5-dimethyl-2-phenoxy) dimethylsilanetitanium dimethoxide, (η5-indenyl) (3-tert-butyl-2-phenoxy) dimethylsilanetitanium dimethoxide, (Η5-indenyl) (3-tert-butyl-5-methyl-2-phenoxy) dimethylsilanetitanium dimethoxide, (η5
-Indenyl) (3-phenyl-2-phenoxy) dimethylsilanetitanium dimethoxide, (η5-indenyl) (3-trimethylsilyl-5-methyl-2-phenoxy) dimethylsilanetitanium dimethoxide, (η5
-Indenyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) dimethylsilanetitanium dimethoxide, (η5-indenyl) (3-ter
t-butyl-5-methoxy-2-phenoxy) dimethylsilanetitanium dimethoxide, (η5-indenyl)
(3-tert-butyl-5-chloro-2-phenoxy) dimethylsilanetitanium dimethoxide

(Η5-fluorenyl) (2-phenoxy) dimethylsilanetitanium dimethoxide;
Fluorenyl) (3,5-dimethyl-2-phenoxy)
Dimethylsilanetitanium dimethoxide, (η5-fluorenyl) (3-tert-butyl-2-phenoxy)
Dimethylsilanetitanium dimethoxide, (η5-fluorenyl) (3-tert-butyl-5-methyl-2-
Phenoxy) dimethylsilanetitanium dimethoxide,
(Η5-fluorenyl) (3-phenyl-2-phenoxy) dimethylsilanetitanium dimethoxide, (η5-
Fluorenyl) (3-trimethylsilyl-5-methyl-
2-phenoxy) dimethylsilanetitanium dimethoxide, (η5-fluorenyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) dimethylsilanetitanium dimethoxide, (η5-fluorenyl) (3-tert-butyl- 5-methoxy-2-phenoxy) dimethylsilanetitanium dimethoxide, (η
5-fluorenyl) (3-tert-butyl-5-chloro-2-phenoxy) dimethylsilanetitanium dimethoxide

(Η5-cyclopentadienyl) (2-phenoxy) diphenylsilanetitanium dimethoxide,
(Η5-cyclopentadienyl) (3,5-dimethyl-
2-phenoxy) diphenylsilanetitanium dimethoxide, (η5-cyclopentadienyl) (3-tert
-Butyl-2-phenoxy) diphenylsilanetitanium dimethoxide, (η5-cyclopentadienyl) (3
-Tert-butyl-5-methyl-2-phenoxy) diphenylsilanetitanium dimethoxide, (η5-cyclopentadienyl) (3-phenyl-2-phenoxy)
Diphenylsilanetitanium dimethoxide, (η5-cyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) diphenylsilanetitanium dimethoxide, (η5-cyclopentadienyl) (3-t
tert-butyldimethylsilyl-5-methyl-2-phenoxy) diphenylsilanetitanium dimethoxide,
(Η5-cyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) diphenylsilanetitanium dimethoxide, (η5-cyclopentadienyl) (3-tert-butyl-5-chloro-2- Phenoxy) diphenylsilanetitanium dimethoxide

(Η5-tert-butylcyclopentadienyl) (2-phenoxy) diphenylsilanetitanium dimethoxide, (η5-tert-butylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) diphenylsilanetitanium Dimethoxide, (η5-te
rt-butylcyclopentadienyl) (3-tert-
Butyl-2-phenoxy) diphenylsilanetitanium dimethoxide, (η5-tert-butylcyclopentadienyl) (3-tert-butyl-5-methyl-2-
Phenoxy) diphenylsilanetitanium dimethoxide, (η5-tert-butylcyclopentadienyl)
(3-phenyl-2-phenoxy) diphenylsilanetitanium dimethoxide, (η5-tert-butylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) diphenylsilanetitanium dimethoxide, (η5-tert- Butylcyclopentadienyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) diphenylsilanetitanium dimethoxide, (η5-tert-butylcyclopentadienyl) (3-tert-butyl-5-methoxy) -2-
Phenoxy) diphenylsilanetitanium dimethoxide, (η5-tert-butylcyclopentadienyl)
(3-tert-butyl-5-chloro-2-phenoxy) diphenylsilanetitanium dimethoxide

(Η5-2,3,4,5-tetramethylcyclopentadienyl) (2-phenoxy) diphenylsilanetitanium dimethoxide, (η5-2,3,4,5
-Tetramethylcyclopentadienyl) (3,5-dimethyl-2-phenoxy) diphenylsilanetitanium dimethoxide, (η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl- 2-phenoxy) diphenylsilanetitanium dimethoxide,
(Η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methyl-2-phenoxy) diphenylsilanetitanium dimethoxide,
(Η5-2,3,4,5-tetramethylcyclopentadienyl) (3-phenyl-2-phenoxy) diphenylsilanetitanium dimethoxide, (η5-2,3,4,
5-tetramethylcyclopentadienyl) (3-trimethylsilyl-5-methyl-2-phenoxy) diphenylsilanetitanium dimethoxide, (η5-2,3,4,
5-tetramethylcyclopentadienyl) (3-ter
t-butyldimethylsilyl-5-methyl-2-phenoxy) diphenylsilanetitanium dimethoxide, (η5
-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methoxy-2-phenoxy) diphenylsilanetitanium dimethoxide,
(Η5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-chloro-2-phenoxy) diphenylsilanetitanium dimethoxide

(Η5-indenyl) (2-phenoxy)
Diphenylsilanetitanium dimethoxide, (η5-indenyl) (3,5-dimethyl-2-phenoxy) diphenylsilanetitanium dimethoxide, (η5-indenyl) (3-tert-butyl-2-phenoxy) diphenylsilanetitanium dimethoxide, (Η5-indenyl) (3-tert-butyl-5-methyl-2-phenoxy) diphenylsilanetitanium dimethoxide,
(Η5-indenyl) (3-phenyl-2-phenoxy) diphenylsilanetitanium dimethoxide, (η5
-Indenyl) (3-trimethylsilyl-5-methyl-
2-phenoxy) diphenylsilanetitanium dimethoxide, (η5-indenyl) (3-tert-butyldimethylsilyl-5-methyl-2-phenoxy) diphenylsilanetitanium dimethoxide, (η5-indenyl) (3-tert-butyl- 5-methoxy-2-phenoxy) diphenylsilanetitanium dimethoxide,
(Η5-indenyl) (3-tert-butyl-5-chloro-2-phenoxy) diphenylsilanetitanium dimethoxide

(Η5-fluorenyl) (2-phenoxy) diphenylsilanetitanium dimethoxide, (η5
-Fluorenyl) (3,5-dimethyl-2-phenoxy) diphenylsilanetitanium dimethoxide, (η5
-Fluorenyl) (3-tert-butyl-2-phenoxy) diphenylsilanetitanium dimethoxide, (η
5-fluorenyl) (3-tert-butyl-5-methyl-2-phenoxy) diphenylsilanetitanium dimethoxide, (η5-fluorenyl) (3-phenyl-2
-Phenoxy) diphenylsilanetitanium dimethoxide, (η5-fluorenyl) (3-trimethylsilyl-
5-methyl-2-phenoxy) diphenylsilanetitanium dimethoxide, (η5-fluorenyl) (3-te
rt-butyldimethylsilyl-5-methyl-2-phenoxy) diphenylsilanetitanium dimethoxide, (η
5-fluorenyl) (3-tert-butyl-5-methoxy-2-phenoxy) diphenylsilanetitanium dimethoxide, (η5-fluorenyl) (3-tert-
Butyl-5-chloro-2-phenoxy) diphenylsilanetitanium dimethoxide

Compounds obtained by changing dimethylsilane to diethylsilane and dimethoxysilane of these compounds, and cyclopentadienyl to dimethylcyclopentadienyl, trimethylcyclopentadienyl, ethylcyclopentadienyl, n-propylcyclopentane Dienyl,
Isopropylcyclopentadienyl, n-butylcyclopentadienyl, sec-butylcyclopentadienyl, isobutylcyclopentadienyl, tert-butyldimethylsilylcyclopentadienyl, phenylcyclopentadienyl, methylindenyl, phenylindenyl A compound in which 2-phenoxy was changed to 3-phenyl-2-phenoxy, 3-trimethylsilyl-2-phenoxy, 3-tert-butyldimethylsilyl-2-phenoxy; and chloride was changed to bromide and iodide. Compounds and compounds in which methoxide is changed to ethoxide, n-propoxide, isopropoxide, methoxyethoxide, benzyl oxide, and the like.

In the method for producing the μ-oxo titanium complex (1) of the present invention, the titanium complex (2) is reacted with water. The reaction efficiency is further improved by coexisting an amine compound.

Examples of the amine compound include compounds represented by the following general formula (3): Q1- (Q2-) N-Q3 (3) (wherein Q1, Q2, and Q3 are the same or different and have a hydrogen atom, a carbon atom having 1 to 8 carbon atoms) Alkyl group, 3 to 8 carbon atoms
Or a cycloalkyl group or a halogen atom,
It is composed of an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, a carboxyl group, an alkoxycarbonyl group having 1 to 4 carbon atoms, a nitro group, an amino group, a phenyl group, a naphthyl group, and a benzyl group. A phenyl group, a naphthyl group, a benzyl group, a naphthylmethyl group, or a pyridyl group, each of which may be substituted with at least one substituent selected from the group; An alkylene group having 4 to 5 carbon atoms which may be substituted with at least one alkyl group having 1 to 3 carbon atoms, (—CH ₂ CH ₂ ) ₂ —O
Group or _{(-CH 2 CH 2) 2 N} -Q4 group (wherein, Q4 have the same meaning as Q3, the same or different group.)
And Q3 further represents an ethylene group or — (CH ₂ ) ₃ N
= May represent a group and combine with the ring formed by Q1 and Q2 to form a condensed ring. However, Q1, Q2, and Q3 do not simultaneously represent a hydrogen atom. )).

Specific examples of the amine compound (3) include, for example, aniline, chloroaniline, bromoaniline, haloaniline, dichloroaniline, dibromoaniline, dihaloaniline, trichloroaniline, tribromoaniline, trihaloaniline, tetrachloroaniline, and tetrabromoaniline. Aniline, tetrahaloaniline, pentachloroaniline, pentabromoaniline, pentahaloaniline,
Nitroaniline, dinitroaniline, hydroxyaniline, phenylenediamine, anisidine, dimethoxyaniline, trimethoxyaniline, ethoxyaniline, diethoxyaniline, triethoxyaniline, n-propoxyaniline, isopropoxyaniline, n-butoxyaniline, sec-butoxyaniline , Isobutoxyaniline, tert-butoxyaniline, phenoxyaniline, methylaniline, ethylaniline, n-propylaniline, isopropylaniline, n-butylaniline,
sec-butylaniline, isobutylaniline, ter
t-butylaniline, dimethylaniline, diethylaniline, di-n-propylaniline, diisopropylaniline, di-n-butylaniline, di-sec-butylaniline, diisobutylaniline, di-tert-butylaniline, trimethylaniline, triethylaniline , Triisopropylaniline, phenylaniline, benzylaniline, aminobenzoic acid, aminobenzoic acid methyl ester, aminobenzoic acid ethyl ester, aminobenzoic acid-n-propyl ester, aminobenzoic acid isopropyl ester, aminobenzoic acid-n-butyl ester , Aminobenzoic acid isobutyl ester, aminobenzoic acid-sec-butyl ester, aminobenzoic acid-ter
primary anilines such as t-butyl ester, naphthylaniline, naphthylmethylaniline, benzylamine, propylamine, butylamine, pentylamine,
Primary amines also including hexylamine, cyclohexylamine, heptylamine, octylamine, 2-aminopyridine, 3-aminopyridine, 4-aminopyridine,

N-methylaniline, N-ethylaniline, diphenylamine, N-methylchloroaniline,
N-methylbromoaniline, N-methylhaloaniline,
N-methylanisidine, N-methylmethylaniline, N
-Methylethylaniline, N-methyl-n-propylaniline, N-methylisopropylaniline, diethylamine, di-n-propylamine, diisopropylamine, dipentylamine, dihexylamine, dicyclohexylamine, diheptylamine, dioctylamine,
Secondary amines such as morpholine, piperidine, 2,2,6,6-tetramethylpiperidine, pyrrolidine, 2-methylaminopyridine, 3-methylaminopyridine, 4-methylaminopyridine,

N, N-dimethylaniline, N, N-dimethylchloroaniline, N, N-dimethylbromoaniline, N, N-dimethylhaloaniline, N, N-dimethylanisidine, N, N-dimethylmethylaniline, N,
N-dimethylethylaniline, N, N-dimethyl-n
-Propylaniline, N, N-dimethylisopropylaniline, 1,4-diazabicyclo [2,2,2] octane, 1,5-diazabicyclo [4,3,0] non-5-
And tertiary amines such as ene, 1,8-diazabicyclo [5,4,0] undec-7-ene, 2-dimethylaminopyridine, 3-dimethylaminopyridine, and 4-dimethylaminopyridine.

The amount of the amine compound (3) to be used is generally 0 to 10 times, preferably 0.5 to 1 times, the molar amount of the titanium complex (2).

A solvent may be used in the reaction. Examples of such a solvent include aliphatic hydrocarbons such as pentane, hexane, cyclohexane, heptane and octane, and aromatic hydrocarbons such as benzene, toluene, xylene, mesitylene and ethylbenzene. Hydrogen or halogenated hydrocarbons such as chloroform, methylene dimethoxide, monochlorobenzene, dichlorobenzene, polar solvents such as acetone, diethyl ether, tetrahydrofuran, ethyl acetate, N, N-dimethylsulfoxide, dimethylsulfoxide, etc. And can be carried out without a solvent. Each of these solvents is used alone or in combination of two or more.
Usually, 0 to 200 times by weight, preferably 3 to 30 times by weight.
It is in the range of weight times.

The amount of water used is usually in the range of 0.5 to 100 mol times, preferably 0.5 to 1 mol times, relative to the titanium complex (2).

In the reaction, the titanium complex (2) and water,
Alternatively, air or an inert gas containing water may be brought into contact, and the order is not particularly limited. Further, by coexisting an amine compound, the μ-oxo titanium complex (1) can be produced more efficiently.
The reaction temperature is usually from 0 ° C to the boiling point of the solvent, preferably from 0 ° C to 50 ° C. The reaction time is not particularly limited. After the completion of the reaction, for example, as it is, or by filtering the insolubles, by filtering the crystals obtained by concentration,
The desired μ-oxo titanium complex (1) can be obtained.

[0110]

Industrial Applicability According to the present invention, an industrially advantageous method for producing a μ-oxo titanium complex which is promising as a Lewis acid catalyst or a transesterification catalyst can be provided.

[0111]

The present invention will be described in more detail with reference to the following examples, but the present invention is not limited to these examples.

Example 1 μ-oxobis {(η-5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methyl-
2-phenoxy) dimethylsilanetitanium chloride｝
Synthesis of Under a nitrogen atmosphere, (tetramethylcyclopentadienyl)
280 mg of (3-tert-butyl-5-methyl-2-phenoxy) dimethylsilanetitanium dichloride was added to methylene chloride 5
of aniline, followed by the addition of 61.0 mg of aniline.
To this solution was added 15.0 mg of distilled water at 25 ° C., and the mixture was stirred at the same temperature for 15 minutes. Thereafter, the temperature was cooled to 5 ° C. and maintained for 3 hours. Next, the precipitated white solid was removed by filtration, and the filtrate was concentrated under reduced pressure.
After washing with l, the residue was dried under reduced pressure to obtain the title compound as an orange solid (0.2 g).
52g, 96% yield). Mass spectrum (m / e) 862, 863 Calculated:
863.82 1 H-NMR (CDCl 3) δ 6.98 (d, J =
1.97 Hz, 2H), 6.92 (d, J = 1.97H)
z, 2H), 2.38 (s, 6H), 2.28 (s, 6
H), 2.26 (s, 6H), 2.18 (s, 6H),
1.69 (s, 6H), 0.92 (s, 18H), 0.
55 (s, 6H), 0.49 (s, 6H)

Example 2 μ-oxobis {(η-5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5-methyl-
2-phenoxy) dimethylsilanetitanium methoxide
Synthesis of (η-5-2,3,4,5-tetramethylcyclopentadienyl) (3-tert-butyl-5- under nitrogen atmosphere at 25 ° C
10.00 g of methyl-2-phenoxy) dimethylsilanetitanium dimethoxide was dissolved in 50 ml of heptane, 0.30 g of distilled water was added, and the mixture was stirred at the same temperature for 12 hours. The resulting solid was filtered off, washed with 5.0 ml of heptane,
Drying under reduced pressure gave the title compound as the target compound as a yellow solid (5.51 g, 56%). Mass spectrum (m / e) 855 Calculated: 855 1 H-NMR (C6D6) δ 7.25 (d, J = 2.
0 Hz, 2H), 7.16 (d, J = 2.0 Hz, 2
H), 3.99 (s, 6H), 2.32 (s, 6H),
2.30 (s, 6H), 2.06 (s, 6H), 1.8
6 (s, 6H), 1.71 (s, 6H), 1.27
(S, 18H), 0.83 (s, 6H), 0.63
(S, 6H)

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Yoshiaki Oda 2-27-1, Shinkawa, Chuo-ku, Tokyo Sumitomo Chemical Co., Ltd. F-term (reference) 4H049 VN01 VN05 VP01 VP02 VQ08 VQ19 VQ20 VQ21 VQ35 VQ39 VQ85 VQ92 VR10 VR20 VR21 VR30 VR31 VR42 VR43 VR50 VS08 VS09 VS19 VS21 VS35 VS39 VS85 VS92 VT32 VT33 VT43 VT48 VU33 VW02 VW33

Claims (4)

[Claims] 1. The general formula (2) (Wherein, A represents a silicon atom or a carbon atom, and Cp
Represents a group having a cyclopentadiene-type anion skeleton, X represents a halogen atom or an optionally substituted alkoxy group, and R ¹ , R ² , R ³ , and R ⁴ each independently represent a hydrogen atom, a halogen atom, Atom, alkyl group having 1 to 20 carbon atoms which may have a substituent, aralkyl group having 7 to 20 carbon atoms which may have a substituent, carbon atom having a substituent An aryl group having 6 to 20 atoms, a hydrocarbon-substituted silyl group having 1 to 20 carbon atoms which may have a substituent, an alkoxy group having 1 to 20 carbon atoms which may have a substituent, An aralkyloxy group having 7 to 20 carbon atoms which may have a substituent, an aryloxy group having 6 to 20 carbon atoms which may have a substituent or carbon which may have a substituent 2-20 atoms
Wherein R ⁵ and R ⁶ each independently represent a hydrogen atom or an optionally substituted carbon atom having 1 to 2 carbon atoms.
An alkyl group having 0, an aralkyl group having 7 to 20 carbon atoms which may have a substituent, an aryl group having 6 to 20 carbon atoms which may have a substituent, A hydrocarbon-substituted silyl group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms which may have a substituent, 7 to 20 carbon atoms optionally having a substituent It represents an aralkyloxy group, an aryloxy group having 6 to 20 carbon atoms which may have a substituent or a disubstituted amino group having 2 to 20 carbon atoms which may have a substituent.
Further, R ¹ , R ² , R ³ , R ⁴ , R ⁵ and R ⁶ may be arbitrarily combined to form a ring. A) reacting a titanium complex represented by formula (1) with water; (Wherein, A, Cp, X, R ¹ , R ² , R ³ , R ⁴ , R ⁵ and R ⁶ represent the same meaning as described above).
A method for producing an oxo titanium complex. 2. The method according to claim 1, wherein the titanium complex represented by the general formula (2) is reacted with water in the presence of an amine compound. 3. Cp is η5-cyclopentadienyl, an optionally substituted alkyl group having 1 to 20 carbon atoms, an aralkyl group having 7 to 20 carbon atoms which may be substituted, An aryl group having 6 to 20 carbon atoms or an optionally substituted 1 to 20 carbon atom
3. The method for producing a μ-oxo titanium complex according to claim 1 or 2, which is a substituted η5-cyclopentadienyl, indenyl, tetrahydroindenyl, fluorenyl or octahydrofluorenyl having a substituted silyl group. 4. The method for producing a μ-oxo titanium complex according to claim ¹ , wherein R ¹ , R ² , R ³ , R ⁴ , R ⁵ , and R ⁶ are hydrogen or an alkyl group having 1 to 5 carbon atoms. .