zirconocene 1,3-diphosphabicyclo[1.1.0]butane

Base Information

• Chemical Name: zirconocene 1,3-diphosphabicyclo[1.1.0]butane
• CAS No.: 109613-89-0
• Molecular Formula: C₂₀H₂₈P₂Zr
• Molecular Weight: 421.614
• Mol file: 109613-89-0.mol

Synonyms:zirconocene 1,3-diphosphabicyclo[1.1.0]butane

Chemical Property of zirconocene 1,3-diphosphabicyclo[1.1.0]butane

Chemical Property:

Purity/Quality:

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MSDS Files:

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Technology Process of zirconocene 1,3-diphosphabicyclo[1.1.0]butane

There total 1 articles about zirconocene 1,3-diphosphabicyclo[1.1.0]butane 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: 70.0%

zirconocene dichloride (1291-32-3) + 2,2-dimethylpropylidynephosphine (78129-68-7) → zirconocene 1,3-diphosphabicyclo[1.1.0]butane (109613-89-0)

Guidance literature:

With n-butyllithium; In tetrahydrofuran; byproducts: LiCl2, butane, butene; exclusion of air and moisture, BuLi (hexane) added dropwise with stirring at -78°C to a soln. of Zr-compd., P-compd. added dropwise at -78°C, warmed up; evapd., ether added, filtered, cooled down to -78°C, IR, (13)C- and (31)P-NMR;

Reference yield: 63.0%

diiron nonacarbonyl (15321-51-4) + zirconocene 1,3-diphosphabicyclo[1.1.0]butane (109613-89-0) → iron pentacarbonyl (13463-40-6,37220-42-1) + (C5H5)2ZrC((CH3)3C)P2C((CH3)3C)(Fe(CO)4) (140438-18-2)

Guidance literature:

In pentane; at 20°C;

Reference yield:

zirconocene 1,3-diphosphabicyclo[1.1.0]butane (109613-89-0) + diphenylantimony trichloride (21907-22-2) → zirconocene dichloride (1291-32-3) + P4C4(C(CH3)3)4 + 2,4,6,8-tetra-tert-butyl-1,3,5,7-tetraphosphapentacyclo<4.2.0.02,5.03,8.04,7>octane (121097-72-1) + diphenylantimony(III) chloride (2629-47-2)

Guidance literature:

In tetrahydrofuran; Zr complex dissolved in THF; Ph2SbCl3 (1 equiv.) added at room temp.; stirred; volatiles removed in vac.; crystd. from hexane at 5°C (Ph2SbCl); detd. by single crystal X-ray diffraction;

DOI:10.1039/b804401e

upstream raw materials:

zirconocene dichloride

2,2-dimethylpropylidynephosphine

Downstream raw materials:

iron pentacarbonyl

(C₅H₅)2ZrC((CH₃)3C)P₂C((CH₃)3C)(Fe(CO)4)

zirconocene dichloride

diphenylantimony(III) chloride

Refernces