(η2-2-tert-butyl-1-phosphaacetylene)(trimethylphosphane)zirconocene

Base Information

• Chemical Name: (η2-2-tert-butyl-1-phosphaacetylene)(trimethylphosphane)zirconocene
• CAS No.: 126898-91-7
• Molecular Formula: C₁₈H₂₈P₂Zr
• Molecular Weight: 397.592
• Mol file: 126898-91-7.mol

Synonyms:(η2-2-tert-butyl-1-phosphaacetylene)(trimethylphosphane)zirconocene

Chemical Property of (η2-2-tert-butyl-1-phosphaacetylene)(trimethylphosphane)zirconocene

Chemical Property:

Purity/Quality:

Safty Information:

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MSDS Files:

Useful:

Technology Process of (η2-2-tert-butyl-1-phosphaacetylene)(trimethylphosphane)zirconocene

There total 3 articles about (η2-2-tert-butyl-1-phosphaacetylene)(trimethylphosphane)zirconocene 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: 93.0%

(η2-tolan)(trimethylphosphane)zirconocene (113177-54-1) + 2,2-dimethylpropylidynephosphine (78129-68-7) → (η2-2-tert-butyl-1-phosphaacetylene)(trimethylphosphane)zirconocene (126898-91-7)

Guidance literature:

In tetrahydrofuran; byproducts: C6H5CCC6H5; reacn. carried out under Ar: PCC(CH3)3 added dropwise to soln. of Cp2Zr(PMe)3(PhCCPh) in THF at room temp., stirred 3h - after several min the color of the mixt. changes from yellow to orange; all volatile substances removed at 10**-2 mbar, crystn. (Et2O);

Reference yield: 80.0%

zirconocene dichloride (1291-32-3) + 2,2-dimethylpropylidynephosphine (78129-68-7) + trimethylphosphane (594-09-2) → (η2-2-tert-butyl-1-phosphaacetylene)(trimethylphosphane)zirconocene (126898-91-7)

Guidance literature:

With butyllithium; In tetrahydrofuran; hexane; byproducts: LiCl; reacn. carried out under Ar: to soln. of Cp2ZrCl2/THF at -78°C are added butyllithium/hexane then P(CH3)3 dropwise, mixt. warmed to room temp., stirred 2h to give Cp2Zr(PMe3)(CH2CHCH2CH3), addn. of PCC(CH)3, stirred 5h; all volatile substances removed at 0.5 mbar, residue dissolved in toluene, filtered (to remove LiCl), evapn. (0.5 mbar), crystn. (Et2O), elem. anal.;

Reference yield: 73.0%

bis(η5-cyclopentadienyl)bis(trimethylphosphine)zirconium + 2,2-dimethylpropylidynephosphine (78129-68-7) → (η2-2-tert-butyl-1-phosphaacetylene)(trimethylphosphane)zirconocene (126898-91-7)

Guidance literature:

In diethyl ether; byproducts: P(CH3)3; PCC(CH3)3 added to soln. of Cp2Zr(PMe3)2 in Et2O at 0°C, stirred (0°C, 3h, under Ar); evapn. of half the solvent (room temp., 0.5 mbar), cooled to -20°C, crystn.;

upstream raw materials:

(η2-tolan)(trimethylphosphane)zirconocene

2,2-dimethylpropylidynephosphine

zirconocene dichloride

trimethylphosphane