245653-52-5 Usage
Description
7-(4-tert-Butylphenyl)-2-methyl-1H-indene is an organic compound characterized by its unique molecular structure, which features a tert-butylphenyl group attached to the 7th position of an indene molecule, with a methyl group at the 2nd position. 7-(4-tert-Butylphenyl)-2-methyl-1H-indene is known for its specific chemical properties and potential applications in various industries.
Uses
Used in Polymer Industry:
7-(4-tert-Butylphenyl)-2-methyl-1H-indene is used as a comonomer in the polymerization process for the preparation of propylene homopolymer. Its incorporation into the polymerization process enhances the properties of the resulting polymer, such as its thermal stability, mechanical strength, and resistance to degradation.
Used in Catalyst Preparation:
In the polymerization process, 7-(4-tert-Butylphenyl)-2-methyl-1H-indene is used in conjunction with a catalyst system comprising metallocene, borate, and aluminoxane. The presence of this compound in the catalyst system contributes to the efficiency and selectivity of the polymerization reaction, leading to the production of high-quality propylene homopolymers with desired characteristics.
Check Digit Verification of cas no
The CAS Registry Mumber 245653-52-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,5,6,5 and 3 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 245653-52:
(8*2)+(7*4)+(6*5)+(5*6)+(4*5)+(3*3)+(2*5)+(1*2)=145
145 % 10 = 5
So 245653-52-5 is a valid CAS Registry Number.
InChI:InChI=1/C20H22/c1-14-12-16-6-5-7-18(19(16)13-14)15-8-10-17(11-9-15)20(2,3)4/h5-12H,13H2,1-4H3
245653-52-5Relevant articles and documents
CATALYSTS
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Page/Page column 66, (2014/07/08)
An asymmetric complex of formula (I) wherein M is zirconium or hafnium; each X is a sigma ligand; L is a divalent bridge selected from -R'2C-, -R'2C-CR'2-, -R'2Si-, -R'2Si-SiR'2-, -R'2Ge-, wherein each R' is independently a hydrogen atom, C1-C20-alkyl, tri(C1-C20-alkyl)silyl, C6-C20-aryl, C7-C20-arylalkyl or C7-C20-alkylaryl; R2 and R2' are each independently a C1-C20 hydrocarbyl radical; R5' is a C1-20 hydrocarbyl group; R5 is hydrogen, or a C1-20 hydrocarbyl group; R6 is a non tertiary C1-10 alkyl group or C6-10-aryl group or C7-10 arylalkyl group or ZR3; R6' is a tertiary C4-20 alkyl group; Z is O or S; R3 is a C1-20 hydrocarbyl group optionally substituted with halo; Ar is an aryl or heteroaryl group having up to 20 carbon atoms optionally substituted by one or more groups R1; Ar' is an aryl or heteroaryl group having up to 20 carbon atoms optionally substituted by one or more groups R1; each R1 is a C1-20 hydrocarbyl group or two R1 groups on adjacent carbon atoms taken together can form a fused 5 or 6 membered ring with the Ar group, said ring being itself optionally substituted with one or more groups R4; and each R4 is a C1-20 hydrocarbyl group.
PREPARATION OF SUBSTITUTED INDENES
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Example 4, (2010/02/06)
The present invention relates to a simple process for preparing specifically substituted indenes of formula (I) or (Ia) to compounds of formula (II) serving as starting materials and to the use of the compounds of formula (II) as starting materials for the synthesis of substituted indenes.
