125542-03-2

Basic information

• Product Name: CHLORODIMETHYL(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIEN-1-YL)SILANE
• Synonyms: CHLORODIMETHYL(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIEN-1-YL)SILANE;chlorodimethyl(2,3,4,5-tetramethyl-2,4-cyclopenta;ChlorodiMethyl(2,3,4,5-tetraMethyl-2,4-cyclopentadien-1-yl)silane 97%
• CAS NO: 125542-03-2
• Molecular Formula: C₁₁H₁₉ClSi
• Molecular Weight: 214.81
• Product Categories: Protecting and Derivatizing Reagents;Protection and Derivatization;Silicon-Based
• Mol File: 125542-03-2.mol

Chemical Properties

• Boiling Point: 50 °C0.05 mm Hg(lit.)
• Flash Point: 133 °F
• Appearance: /
• Density: 0.972 g/mL at 25 °C(lit.)
• Vapor Pressure: 0.125mmHg at 25°C
• Refractive Index: n20/D 1.496(lit.)
• CAS DataBase Reference: CHLORODIMETHYL(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIEN-1-YL)SILANE(CAS DataBase Reference)
• NIST Chemistry Reference: CHLORODIMETHYL(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIEN-1-YL)SILANE(125542-03-2)
• EPA Substance Registry System: CHLORODIMETHYL(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIEN-1-YL)SILANE(125542-03-2)

Safety Data

• Hazard Codes: C
• Statements: 14-34
• Safety Statements: 26-27-36/37/39-45
• RIDADR: UN 2986 8/PG 2
• WGK Germany: 3
• Hazardous Substances Data: 125542-03-2(Hazardous Substances Data)

Usage

Uses

Used in Chemical Synthesis:
CHLORODIMETHYL(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIEN-1-YL)SILANE is used as a reagent for facilitating various chemical reactions, particularly in the synthesis of complex organic compounds. Its organometallic nature and unique structure contribute to its potential as a versatile component in the creation of new molecules and materials.
Used in Research and Development:
In the field of chemical research, CHLORODIMETHYL(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIEN-1-YL)SILANE is used as a research compound to explore its reactivity, stability, and potential applications in the synthesis of novel materials. Its organometallic properties make it an interesting subject for studies in organosilicon chemistry and related areas.
Used in Pharmaceutical Industry:
CHLORODIMETHYL(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIEN-1-YL)SILANE is used as an intermediate in the synthesis of pharmaceutical compounds, where its unique structure and reactivity may contribute to the development of new drugs and therapeutic agents. Its potential role in drug discovery highlights the importance of organometallic compounds in the field of medicinal chemistry.
Used in Material Science:
In the realm of material science, CHLORODIMETHYL(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIEN-1-YL)SILANE is used as a component in the development of new materials with specific properties, such as improved strength, durability, or chemical resistance. Its organometallic nature and potential reactivity with other compounds make it a valuable asset in the creation of advanced materials for various applications.

InChI:InChI=1/C11H19ClSi/c1-7-8(2)10(4)11(9(7)3)13(5,6)12/h11H,1-6H3

Synthetic route

lithium 1,2,3,4-tetramethylcyclopentadienide (386708-10-7, 82061-21-0) + dimethylsilicon dichloride (75-78-5) → 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2)

Conditions	Yield
In tetrahydrofuran at -30 - 20℃; Inert atmosphere;	88%

1,2,3,4-tetramethylcyclopenta-1,3-diene (4249-10-9) + dimethylsilicon dichloride (75-78-5) → 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2)

Conditions	Yield
Stage #1: 1,2,3,4-tetramethylcyclopenta-1,3-diene With n-butyllithium In diethyl ether; hexane Stage #2: dimethylsilicon dichloride In tetrahydrofuran	83%
Stage #1: 1,2,3,4-tetramethylcyclopenta-1,3-diene With n-butyllithium In tetrahydrofuran at -78 - 20℃; Schlenk technique; Stage #2: dimethylsilicon dichloride In tetrahydrofuran; hexane at 20℃; Schlenk technique;	83%
Stage #1: 1,2,3,4-tetramethylcyclopenta-1,3-diene With n-butyllithium In tetrahydrofuran at -78 - 20℃; Schlenk technique; Stage #2: dimethylsilicon dichloride In tetrahydrofuran; hexane at -78 - 20℃; Schlenk technique;	83%

dimethylsilicon dichloride (75-78-5) + 2,3,4,5-tetramethylcyclopentadienyl sodium → 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2)

Conditions	Yield
In tetrahydrofuran for 16h;

2,3,4,5-tetramethyl-2-cyclopenten-1-one (54458-61-6) → 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2)

Conditions	Yield
Multi-step reaction with 2 steps 1.1: lithium aluminium hydride / diethyl ether / 2 h 1.2: 37 percent / hydrochloric acid; air / diethyl ether; H2O / 16 h 2.1: n-butyllithium / petroleum ether / 16 h / 0 - 20 °C 2.2: 67 percent / petroleum ether; tetrahydrofuran / 16 h View Scheme

C11H15(1-)*Li(1+) + 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) → C22H34Si

Conditions	Yield
In tetrahydrofuran at -25 - 20℃; Inert atmosphere; Glovebox;	98.9%

Li(1+)*C5H4C(CH3)2CH2CH2CHCH2(1-)=LiC5H4C(CH3)2CH2CH2CHCH2 + 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) → C23H36Si

Conditions	Yield
In tetrahydrofuran at 20℃; for 6h;	98%

1,3-diisopropyl-4,5-dimethyl-1H-imidazol-2(3H)-imine + 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) → C5(CH3)4HSi(CH3)2NCN2(CH(CH3)2)2C2(CH3)2 (1034125-20-6)

Conditions	Yield
In hexane at 20℃; for 1.5h;	98%

1-n-butyl-3H-indene (2294-88-4) + 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) → C24H34Si

Conditions	Yield
Stage #1: 1-n-butyl-3H-indene With n-butyllithium In tetrahydrofuran at -78 - 20℃; for 2.5h; Schlenk technique; Stage #2: 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene In tetrahydrofuran at -78 - 20℃; Schlenk technique;	98%

2-thiazolylamine (96-50-4) + 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) → (C5Me4H)SiMe2NH-2-thiazole (1000392-78-8)

Conditions	Yield
With triethylamine In tetrahydrofuran at 20℃; for 3h;	97%

1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) + K(1+)*C5H4CH2CH2P(C6H5)2(1-)=K[C5H4CH2CH2P(C6H5)2] → (2-{4-[dimethyl-(2,3,4,5-tetramethyl-cyclopenta-2,4-dienyl)-silanyl]-cyclopenta-1,3-dienyl}-ethyl)-diphenyl-phosphane

Conditions	Yield
In tetrahydrofuran at 20℃; for 18h;	96%

1,4-diisopropyl-1,4,7-triazacyclononane lithium + 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) → 1-[dimethyl-(2,3,4,5-tetramethyl-cyclopenta-2,4-dienyl)-silanyl]-4,7-diisopropyl-[1,4,7]triazonane (325791-08-0)

Conditions	Yield
In tetrahydrofuran at -78 - 20℃;	96%

lithium 2,4,6-trimethylaniline (65768-38-9) + 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) → (CH3)2Si(C5(CH3)4H)NHC6H2(CH3)3 (500906-70-7)

Conditions	Yield
In tetrahydrofuran at 20℃; for 12h;	96%

C15H19(1-)*Li(1+) + 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) → C26H36Si(2-)*2H(1+)

Conditions	Yield
In tetrahydrofuran at -100 - 20℃; Inert atmosphere;	96%

2-(2-methoxyethoxy)ethyl alcohol (111-77-3) + 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) → [2-(2-Methoxy-ethoxy)-ethoxy]-dimethyl-(2,3,4,5-tetramethyl-cyclopenta-2,4-dienyl)-silane (142992-74-3)

Conditions	Yield
With pyridine In diethyl ether Ambient temperature;	95%

pyrrolidine (123-75-1) + 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) → C15H27NSi (1450982-86-1)

Conditions	Yield
Stage #1: pyrrolidine With n-butyllithium In tetrahydrofuran at 20℃; Inert atmosphere; Stage #2: 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene In tetrahydrofuran at 20℃; for 24h; Inert atmosphere;	95%

4-(4-(tert-butyl)phenyl)-2-methyl-1H-indene + 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) → dimethyltetramethylcyclopentadienyl-2-methyl-4-(4-tert-butylphenyl)indenyl silane

Conditions	Yield
Stage #1: 4-(4-(tert-butyl)phenyl)-2-methyl-1H-indene With n-butyllithium In tetrahydrofuran; hexane; toluene at -10 - 20℃; for 12h; Stage #2: 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene In tetrahydrofuran; hexane; toluene at -10 - 20℃; for 12h;	95%

1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) + lithium (diphenylphosphino)cyclopentadienide → {4-[dimethyl-(2,3,4,5-tetramethyl-cyclopenta-2,4-dienyl)-silanyl]-cyclopenta-1,3-dienyl}-diphenyl-phosphane

Conditions	Yield
In tetrahydrofuran at 20℃; for 18h;	94%

1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) + 2-phenyl-2-propylamine (585-32-0) → C5Me4HSiMe2N(H)CMe2Ph (1290103-43-3)

Conditions	Yield
Stage #1: 2-phenyl-2-propylamine With n-butyllithium In tetrahydrofuran Inert atmosphere; Stage #2: 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene In tetrahydrofuran at -78℃; Inert atmosphere;	94%

2,5-dimethylpyrrolyl lithium salt + 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) → C17H27NSi

Conditions	Yield
In tetrahydrofuran for 24h; Schlenk technique; Glovebox; Inert atmosphere;	93%

Li{C5H4(CMe2CH2CH2CH=CMe2)} + 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) → C25H40Si (1187773-75-6)

Conditions	Yield
In tetrahydrofuran at -78 - 20℃;	92%

2-[2-(1H-inden-1-yl)ethyl]-1,3-dioxane (1139269-81-0) + 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) → C26H36O2Si (1139269-88-7)

Conditions	Yield
With n-butyllithium In diethyl ether; hexane at -78 - 20℃; for 20.25h; Inert atmosphere; Schlenk technique;	91%
Stage #1: 2-[2-(1H-inden-1-yl)ethyl]-1,3-dioxane With n-butyllithium In diethyl ether; hexane at 20℃; for 4h; Stage #2: 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene In diethyl ether; hexane at 20℃; for 15h; Further stages.;	60%

tert.-butyl lithium (594-19-4) + 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) → [C5(CH3)4(Si(CH3)2C(CH3)3)](1-)*Li(1+)=[C5(CH3)4(Si(CH3)2C(CH3)3)Li]

Conditions	Yield
In tetrahydrofuran; pentane 1.) -78 deg C, 1 h, 2.) r.t., 2 h;	90%

n-butyllithium (109-72-8, 29786-93-4) + 1,2-dicarba-closo-dodecaborane(12) (16872-09-6) + 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) → Me2Si(C5Me4H)(o-carboranyl) (318955-29-2)

Conditions

Yield

With NH4Cl In diethyl ether; hexane; benzene 2 equiv. of n-BuLi in hexane was added to soln. of o-carborane in C6H6/Et2O (2:1) at 0 °C under N2, mixt. was warmed to room temp. and stirred for 2 h, Si-compd. was added, mixt. was refluxed overnight, satd. aq. soln. of NH4Cl was added; aq. layer was extd. with Et2O, ext. was combined with org. layer and dried over MgSO4, soln. was filtered, solvent was removed, residue was chromd. on silica with n-hexane;

90%

1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) + C5H7K*C4H8O → Dimethyl-((E)-penta-2,4-dienyl)-(2,3,4,5-tetramethyl-cyclopenta-2,4-dienyl)-silane

Conditions	Yield
In tetrahydrofuran at -78 - 20℃;	88%

C15H18BN2(1-)*Li(1+) + 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) → 6-(2-(diethylboryl)phenyl)-N-(dimethylsilyl-(2,3,4,5-tetramethylcyclopenta-2,4-dienyl))pyridin-2-amine

Conditions	Yield
Stage #1: C15H18BN2(1-)*Li(1+); 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene In tetrahydrofuran at -30 - 20℃; Inert atmosphere; Stage #2: In tetrahydrofuran at -30 - 20℃;	88%

1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) + C18H15NP(1-)*Li(1+) → [dimethyl-(2,3,4,5-tetramethyl-cyclopenta-2,4-dienyl)-silanyl]-(2-diphenylphosphanyl-phenyl)-amine

Conditions	Yield
In hexane at 20℃; for 14h; Alkylation;	86%

triethylene glucol monomethyl ether (112-35-6) + 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) → {2-[2-(2-Methoxy-ethoxy)-ethoxy]-ethoxy}-dimethyl-(2,3,4,5-tetramethyl-cyclopenta-2,4-dienyl)-silane (142992-76-5)

Conditions	Yield
With pyridine In diethyl ether Ambient temperature;	85%

lithium benzylamide (38225-27-3) + 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) → Benzyl-[dimethyl-(2,3,4,5-tetramethyl-cyclopenta-2,4-dienyl)-silanyl]-amine

Conditions	Yield
In hexane 1) -78 deg C, 2) r.t., 14 h;	84%

2-aminopyridine (504-29-0) + 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) → (C5Me4H)SiMe2NH-2-pyridine (231304-97-5)

Conditions	Yield
With triethylamine In tetrahydrofuran at 20℃; for 3h;	84%

3-biphenyl amine (2243-47-2) + 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) → N-(biphenyl-3-yl)-1,1-dimethyl-1-(2,3,4,5-tetramethylcyclopenta-2,4-dienyl)silylamine (1292186-51-6)

Conditions	Yield
Stage #1: 3-biphenyl amine With n-butyllithium In diethyl ether; hexane at -40 - 20℃; for 1h; Inert atmosphere; Stage #2: 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene In diethyl ether; hexane at -40 - 20℃; for 8h;	84%

1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) + (N,N-dimethylaminoethyl)cyclopentadienyl sodium → (2-{3-[Dimethyl-(2,3,4,5-tetramethyl-cyclopenta-2,4-dienyl)-silanyl]-cyclopenta-1,4-dienyl}-ethyl)-dimethyl-amine

Conditions	Yield
In tetrahydrofuran for 12h;	83%

C17H16O + 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene (125542-03-2) → C28H34OSi

Conditions	Yield
Stage #1: C17H16O With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃; for 2h; Inert atmosphere; Stage #2: 1-(chlorodimethylsilyl)-2,3,4,5-tetramethylcyclopenta-2,4-diene With 1,3-dimethyl-2-imidazolidinone In tetrahydrofuran; hexane at -20 - 20℃; for 16h; Inert atmosphere;	83%

Upstream product

• 4249-10-9 1,2,3,4-tetramethylcyclopenta-1,3-diene 
• 75-78-5 dimethylsilicon dichloride 
• 54458-61-6 2,3,4,5-tetramethyl-2-cyclopenten-1-one 
• 386708-10-7 lithium 1,2,3,4-tetramethylcyclopentadienide 
• 10060-55-6 (2,3,4,5-tetramethyl)cyclopentadiene 

Downstream Products

• 1292186-51-6 N-(biphenyl-3-yl)-1,1-dimethyl-1-(2,3,4,5-tetramethylcyclopenta-2,4-dienyl)silylamine 
• 134849-07-3 1,4-Bis-[dimethyl-(2,3,4,5-tetramethyl-cyclopenta-2,4-dienyl)-silanyloxy]-benzene 
• 134849-08-4 1,3,5-Tris-[dimethyl-(2,3,4,5-tetramethyl-cyclopenta-2,4-dienyl)-silanyloxy]-benzene 

Relevant articles and documents

Synthese, Charakterisierung und Polymerisationseigenschaften verbrueckter Halbsandwichkomplexe des Titans, Zirconiums und Hafniums; Die Molekuelstruktur von [C13H8-SiMe2-NtBu]ZrCl2

The synthesis of new ansa halfsandwich complexes of the type [Cp#-SiMe2-NtBu]MCl2 (Cp#=C13H8, C9H6, C5H4, C5H3tBu; M=Zr, Hf) as catalyst precursors for the polymerization of ethylene is described. The complexes were characterized by 1H-, 13C-, 29Si-, 15N- and 14N-NMR spectroscopy. From [C13H8-SiMe2-NtBu]ZrCl2 an X-ray structure was obtained. The activities of the catalysts and the properties of the polymers were investigated. The influence of the catalyst structure on the polymerization behaviour is discussed.

Organometallic compounds of the lanthanides cxv 1. Donor substituted chiral ansa-lanthanidocenes: Synthesis of dime hy1(dimethylaminoethylcyclopentadienyl) (tetramethylcyclopentadien 1) silane dipotassium and of some chiral ansa-metallocene derivatives of y, sm, ho, er and lu 2

Reaction of Me2SiCl2 with [C5HMe4]Na in tetrahydrofuran (THF) followed by treatment with [C5H4CH2CH2NMe2]Na gives Me2Si(C5HMe4)(C5H4CH2CH2NMe2), which reacts with KH to yield the dipotassium salt K2[Me2Si(C5Me4)(C5H3CH2CH2NMe2)] (1). The reaction of YCl3(THF)3 and the lanthanide trichlorides LnCl3(THF)n (Ln = Sm, Ho, Er, Lu) with 1 in THF results in the yttrium complex and the lanthanide complexes [Me2Si(C5Me4)(C5H3CH2CH2NMe2)]LnCl [Ln = Y (2), Sm (3), Ho (4), Er (5), Lu (6)]. The complexes 2, 4 and 6 react with Li[CH3] in ether to yield the chiral monomethyl compounds [Me2Si(C5Me4)(C5H3CH2CH2NMe2)]LnMe [Ln = Y (7), Ho (8), Lu (9)]. The new complexes were characterized by elemental analysis, MS and NMR spectroscopy as well as 2 and 9 by single crystal X-ray structure analysis.

METALLOCENE COMPOUND, CATALYST COMPONENT FOR OLEFIN POLYMERIZATION, CATALYST FOR OLEFIN POLYMERIZATION AND METHOD FOR PRODUCING OLEFIN-BASED POLYMER

PROBLEM TO BE SOLVED: To provide a metallocene compound that produces an olefin-based polymer having a high terminal vinyl content in a terminal unsaturated bond and capable of exhibiting good polymerization reactivity as a polymer for a macromonomer and terminal modification, to provide a catalyst component for olefin polymerization and a catalyst for olefin polymerization each including the metallocene compound and to provide a method for producing an olefin-based polymer using the catalyst for olefin polymerization. SOLUTION: A metallocene compound is a crosslinking type cyclopentadienyl-azulenyl (Cp-Azu) complex and has no substituent at a 2-position of azulene and a substituent having a specific cyclic structure at a 4-position of azulene. SELECTED DRAWING: None COPYRIGHT: (C)2021,JPO&INPIT

Metallocene compound, catalyst component for olefin polymerization and catalyst for olefin polymerization containing the same, and method for producing olefin polymer using catalyst for olefin polymerization

The metallocene compound represented by the following general formula (1): (the numerals and signs in the general formula (1) are as described in the description).

METALLOCENE COMPOUND AND CATALYST FOR POLYMERIZATION OF POLYOLEFIN COMPRISING SAME

The present invention provides a metallocene compound that can be firmly supported on a carrier by improving binding force with the carrier, and a catalyst for polymerization of polyolefin comprising the metallocene compound. According to the present invention, provided is the metallocene compound into which a silane group is introduced.

HYBRID SUPPORTED CATALYST

The present invention provides a hybrid supported catalyst capable of easily preparing an olefin polymer capable of having improved melt strength even while having appropriate molecular weight distribution, and thus having improved bubble stability and exhibiting excellent blown film processability, and a method for preparing an olefin polymer using the same.

POLYOLEFIN CATALYST AND PREPARING METHOD OF POLYOLEFIN USING SAME

The present invention discloses a novel metallocene catalyst and a method for manufacturing a polyolefin having a high molecular weight and a low melt index using the same. The novel metallocene catalyst of the present invention has excellent activity relative to existing catalysts and enables the production of the polyolefin having the high molecular weight and the low melt index.COPYRIGHT KIPO 2019

METALLOCENE COMPOUND, CATALYST COMPONENT FOR OLEFIN POLYMERIZATION AND CATALYST FOR OLEFIN POLYMERIZATION CONTAINING THE SAME, AND MANUFACTURING METHOD OF OLEFIN POLYMER USING THE CATALYST FOR OLEFIN POLYMERIZATION

PROBLEM TO BE SOLVED: To provide a metallocene compound capable of manufacturing an ethylene polymer into which a long chain branch of sufficient number and length for improving molding processability of a metallocene polyethylene, a catalyst component for olefin polymerization and a catalyst for olefin polymerization, further a manufacturing method of an olefin polymer (especially ethylene polymer) using the catalyst for olefin polymerization. SOLUTION: There is provided a metallocene compound represented by dimethylsilylene (4-(1-pyrrolyl)-indenyl)(cyclopentadienyl) zirconium dichloride. SELECTED DRAWING: None COPYRIGHT: (C)2019,JPOandINPIT

TRANSITION METAL COMPOUND, CATALYST COMPOSITION COMPRISING THE SAME, AND METHOD FOR PREPARING OLEFIN POLYMER USING THE SAME

According to the present invention, provided are a transition metal compound which can exhibit high activity in an olefin polymerization reaction, capable of adjusting the characteristics of a synthesized olefin polymer, such as a chemical structure, a molecular weight, molecular weight distribution, mechanical properties, transparency, etc.; a catalyst composition comprising the same; and a preparation method of an olefin polymer using the catalyst composition. The transition metal compound is represented by chemical formula 1.

METALLOCENE COMPOUND, OLEFIN POLYMERIZATION CATALYST COMPONENT AND OLEFIN POLYMERIZATION CATALYST THAT CONTAIN THE SAME, AND OLEFIN POLYMER PRODUCTION METHOD USING SAID OLEFIN POLYMERIZATION CATALYST

PROBLEM TO BE SOLVED: To provide a metallocene compound that has high polymerization activity and generates many LCBs; an olefin polymerization catalyst component and an olefin polymerization catalyst that contain the same; and an olefin polymer production method using the olefin polymerization catalysts. SOLUTION: The metallocene compound is represented by general formula (1) in the figure. SELECTED DRAWING: None COPYRIGHT: (C)2016,JPOandINPIT