(R)-BIPHENYL-(3,4-DIMETHYL-1-CYCLOPENTADIENYL)-TITANIUM(IV)-(R)-1,1'-BINAPHTHYL-2

Base Information

• Chemical Name: (R)-BIPHENYL-(3,4-DIMETHYL-1-CYCLOPENTADIENYL)-TITANIUM(IV)-(R)-1,1'-BINAPHTHYL-2
• CAS No.: 198490-77-6
• Molecular Formula: C₄₆H₃₆O₂Ti
• Molecular Weight: 668.671
• Mol file: 198490-77-6.mol

Synonyms:Titanium,[[1,1'-binaphthalene]-2,2'-diolato(2-)-kO,kO'][[1,1'-biphenyl]-2,2'-diylbis[(1,2,3,4,5-h)-3,4-dimethyl-2,4-cyclopentadien-1-ylidene]]-,stereoisomer (9CI);

Chemical Property of (R)-BIPHENYL-(3,4-DIMETHYL-1-CYCLOPENTADIENYL)-TITANIUM(IV)-(R)-1,1'-BINAPHTHYL-2

Chemical Property:

• PSA: 34.14000
• LogP: 12.10580

Purity/Quality:

95% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of (R)-BIPHENYL-(3,4-DIMETHYL-1-CYCLOPENTADIENYL)-TITANIUM(IV)-(R)-1,1'-BINAPHTHYL-2

There total 3 articles about (R)-BIPHENYL-(3,4-DIMETHYL-1-CYCLOPENTADIENYL)-TITANIUM(IV)-(R)-1,1'-BINAPHTHYL-2 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: 99.0%

(R)-binaphthol (602-09-5,18531-99-2,18531-94-7) + [2,2'-biphenyldiylbis(3,4-diphenyl-1-cyclopentadienyl)]titanium dimethyl (198490-98-1,221197-01-9) → (R)-[2,2'-biphenyldiylbis-(3,4-dimethylcyclopentadienyl)]titanium-(R)-1,1'-bi-2-naphtholate (198573-86-3,198490-77-6)

Guidance literature:

In toluene; inert atmosphere; addn. of soln. of binaphthyl to soln. of Ti-complex, stirring (4 d, 100°C); evapn., dissol. in pentane, filtration (Celite); elem. anal.;

DOI:10.1021/ja983524w

Reference yield: 96.0%

{2,2'-biphenyldiylbis(3,4-dimethyl-1-cyclopentadienyl)}titanium(IV) dichloride + 1,1'-bi-2-naphthol (602-09-5) → rac-[2,2'-biphenyldiylbis(3,4-diphenyl-1-cyclopentadienyl)]titanium binaphtholate (198573-86-3,198490-77-6)

Guidance literature:

With BuLi; In tetrahydrofuran; hexane; Ar-atmosphere; treatment of mixt. of Ti-complex and binaphthol (in THF) with BuLi (in hexane) at -50°C, warming to room temp., stirring for 30 min; evapn., dissoln. in ether, filtration, water addn., extn. of aq. layer (ether), drying of combined org. layers (MgSO4), solvent removal;

DOI:10.1016/S0022-328X(97)00064-8

Reference yield: 95.0%

(R)-binaphthol (602-09-5,18531-99-2,18531-94-7) + {2,2'-biphenyldiylbis(3,4-dimethyl-1-cyclopentadienyl)}titanium(IV) dichloride → (S)-[2,2'-biphenyldiylbis(3,4-diphenyl-1-cyclopentadienyl)]titanium dichloride (198491-08-6,144191-79-7,198491-09-7) + (R,R)-[2,2'-biphenyldiylbis(3,4-diphenyl-1-cyclopentadienyl)]titanium binaphtholate (198573-86-3,198490-77-6)

Guidance literature:

With BuLi; In tetrahydrofuran; hexane; byproducts: C22H14(CH3)4; Ar-atmosphere; treatment of mixt. of Ti-complex and binaphthol (in THF) with BuLi (in hexane) at -50°C, warming to room temp., stirring for 18 h; solvent removal (vac.), dissoln. in ether, filtration, chromy. (Al2O3, hexane/ether=10:1), evapn.; elem. anal.;

DOI:10.1016/S0022-328X(97)00064-8

upstream raw materials:

(R)-binaphthol

[2,2'-biphenyldiylbis(3,4-diphenyl-1-cyclopentadienyl)]titanium dimethyl

1,1'-bi-2-naphthol