2,4,6,8-tetra-tert-butyl-1,3,5,7-tetraphosphapentacyclo<4.2.0.0^2,5.0^3,8.0^4,7>octane

Base Information

• Chemical Name: 2,4,6,8-tetra-tert-butyl-1,3,5,7-tetraphosphapentacyclo<4.2.0.0^2,5.0^3,8.0^4,7>octane
• CAS No.: 121097-72-1
• Molecular Formula: C₂₀H₃₆P₄
• Molecular Weight: 400.401
• Mol file: 121097-72-1.mol

Synonyms:2,4,6,8-tetra-tert-butyl-1,3,5,7-tetraphosphapentacyclo<4.2.0.0^2,5.0^3,8.0^4,7>octane

Chemical Property of 2,4,6,8-tetra-tert-butyl-1,3,5,7-tetraphosphapentacyclo<4.2.0.0^2,5.0^3,8.0^4,7>octane

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2,4,6,8-tetra-tert-butyl-1,3,5,7-tetraphosphapentacyclo<4.2.0.0^2,5.0^3,8.0^4,7>octane

There total 4 articles about 2,4,6,8-tetra-tert-butyl-1,3,5,7-tetraphosphapentacyclo<4.2.0.0^2,5.0^3,8.0^4,7>octane 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: 8.0%

2,2-dimethylpropylidynephosphine (78129-68-7) → 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)

Guidance literature:

In neat (no solvent); at 130 ℃; for 65h; Schlenk pressure tube;

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

Reference yield:

2,2-dimethylpropylidynephosphine (78129-68-7) → 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) + (5S,6S)-3,5,6,8-Tetra-tert-butyl-1,2,4,7-tetraphospha-tricyclo[4.2.0.02,5]octa-3,7-diene

Guidance literature:

2,2-dimethylpropylidynephosphine; With n-butyllithium; zirconocene dichloride; In tetrahydrofuran; at -78 - 25 ℃;

With hexachloroethane; In toluene; at 25 ℃;

DOI:10.1080/10426509908546231

upstream raw materials:

2,2-dimethylpropylidynephosphine

tert-pentylphosphaacetylene

zirconocene 1,3-diphosphabicyclo[1.1.0]butane

diphenylantimony trichloride