dichloro[η(10)-2,4-cyclopentadien-1-ylidene(1-diphenylmethylene)(2,7-bis(1,1-dimethylethyl)-9H-fluoren-9-ylidene)]hafnium

Base Information

Chemical Name:dichloro[η(10)-2,4-cyclopentadien-1-ylidene(1-diphenylmethylene)(2,7-bis(1,1-dimethylethyl)-9H-fluoren-9-ylidene)]hafnium
CAS No.:182480-34-8
Molecular Formula:C₃₉H₃₈Cl₂Hf
Molecular Weight:756.127
Hs Code.:

Synonyms:dichloro[η(10)-2,4-cyclopentadien-1-ylidene(1-diphenylmethylene)(2,7-bis(1,1-dimethylethyl)-9H-fluoren-9-ylidene)]hafnium

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Chemical Property of dichloro[η(10)-2,4-cyclopentadien-1-ylidene(1-diphenylmethylene)(2,7-bis(1,1-dimethylethyl)-9H-fluoren-9-ylidene)]hafnium

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Technology Process of dichloro[η(10)-2,4-cyclopentadien-1-ylidene(1-diphenylmethylene)(2,7-bis(1,1-dimethylethyl)-9H-fluoren-9-ylidene)]hafnium

There total 2 articles about dichloro[η(10)-2,4-cyclopentadien-1-ylidene(1-diphenylmethylene)(2,7-bis(1,1-dimethylethyl)-9H-fluoren-9-ylidene)]hafnium which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 53.0%

: C₃₉H₃₈^(2-)*2K⁽¹⁺⁾

: 13499-05-3
hafnium tetrachloride

: 182480-34-8
dichloro[η(10)-2,4-cyclopentadien-1-ylidene(1-diphenylmethylene)(2,7-bis(1,1-dimethylethyl)-9H-fluoren-9-ylidene)]hafnium

Guidance literature:: In toluene; at 20 ℃; for 4.33333h;

Reference yield:

: 13499-05-3
hafnium tetrachloride

: 162024-88-6
2,7‐di‐tert‐butyl‐9‐(cyclopentadienyldiphenylmethyl)‐9H‐fluorene

: 182480-34-8
dichloro[η(10)-2,4-cyclopentadien-1-ylidene(1-diphenylmethylene)(2,7-bis(1,1-dimethylethyl)-9H-fluoren-9-ylidene)]hafnium

Guidance literature:: With n-butyllithium; In diethyl ether; hexane; byproducts: LiCl; stirring ligand (in ether) with 2 equiv. BuLi (in hexane) for 8 h at room temp., addn. of 1 equiv. HfCl4, stirring for 3-4 h; depending on soly. of product (not specified): filtration off of LiCl orevapn. and extn. into CH2Cl2 or filtration (Na2SO4) and dissoln. in CH2 Cl2 or PhMe; recrystn. (ether, 5 or -25°C);
DOI:10.1016/0022-328X(95)06045-X