Cas no 326921-37-3 (Phosphine oxide, bis[4-(1,1-dimethylethyl)phenyl]-)

Phosphine oxide, bis[4-(1,1-dimethylethyl)phenyl]- is an organophosphorus compound characterized by its robust sterically hindered structure due to the presence of tert-butylphenyl groups. This compound is primarily utilized as a stabilizing agent, ligand, or intermediate in organic synthesis and polymer chemistry. Its high thermal and oxidative stability makes it suitable for applications requiring resistance to degradation under harsh conditions. The bulky substituents enhance its effectiveness as a phosphine oxide derivative in catalytic systems, where electron-withdrawing properties and steric hindrance are advantageous. Additionally, it exhibits low volatility and good solubility in common organic solvents, facilitating its use in various industrial and research applications.
Phosphine oxide, bis[4-(1,1-dimethylethyl)phenyl]- structure
326921-37-3 structure
Product Name:Phosphine oxide, bis[4-(1,1-dimethylethyl)phenyl]-
CAS No:326921-37-3
MF:C20H26OP
MW:313.39360666275
CID:1451443
PubChem ID:22721594
Update Time:2025-06-12

Phosphine oxide, bis[4-(1,1-dimethylethyl)phenyl]- Chemical and Physical Properties

Names and Identifiers

    • Phosphine oxide, bis[4-(1,1-dimethylethyl)phenyl]-
    • bis(4-tert-butylphenyl)-oxophosphanium
    • SCHEMBL1305142
    • bis(4-(t-butyl)phenyl)phosphine oxide
    • Bis(4-tert-butylphenyl)phosphine oxide
    • CS-0098785
    • 326921-37-3
    • bis(p-tert-butylphenyl)phosphine oxide
    • E74839
    • BIS(4-TERT-BUTYLPHENYL)(OXO)-??-PHOSPHANYLIUM
    • Bis(4-tert-butylphenyl)(oxo)phosphanium
    • AKHPZCUBCXFMPZ-UHFFFAOYSA-N
    • 1-TERT-BUTYL-4-(4-TERT-BUTYLPHENYLPHOSPHOROSO)BENZENE
    • DTXSID60627792
    • Bis(4-(tert-butyl)phenyl)phosphine oxide
    • Inchi： 1S/C20H26OP/c1-19(2,3)15-7-11-17(12-8-15)22(21)18-13-9-16(10-14-18)20(4,5)6/h7-14H,1-6H3/q+1
    • InChI Key： WLQIAVPVRXPZJA-UHFFFAOYSA-N
    • SMILES： [P+](C1C=CC(=CC=1)C(C)(C)C)(C1C=CC(=CC=1)C(C)(C)C)=O

Computed Properties

  • Exact Mass: 314.18011
  • Monoisotopic Mass: 313.172127446g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 1
  • Heavy Atom Count: 22
  • Rotatable Bond Count: 4
  • Complexity: 336
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • XLogP3: 5.8
  • Topological Polar Surface Area: 17.1?2

Experimental Properties

  • PSA: 17.07
  • LogP: 5.05980

Phosphine oxide, bis[4-(1,1-dimethylethyl)phenyl]- Pricemore >>

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Phosphine oxide, bis[4-(1,1-dimethylethyl)phenyl]- Related Literature

Additional information on Phosphine oxide, bis[4-(1,1-dimethylethyl)phenyl]-

Recent Advances in Phosphine Oxide, bis[4-(1,1-dimethylethyl)phenyl]- (CAS: 326921-37-3) Research

Phosphine oxide, bis[4-(1,1-dimethylethyl)phenyl]- (CAS: 326921-37-3) is a specialized organophosphorus compound that has garnered significant attention in the field of chemical biology and medicinal chemistry. Recent studies have explored its potential applications in catalysis, material science, and drug development. This research brief aims to summarize the latest findings related to this compound, focusing on its synthesis, properties, and emerging applications.

One of the key areas of interest is the role of Phosphine oxide, bis[4-(1,1-dimethylethyl)phenyl]- as a ligand in transition metal catalysis. A 2023 study published in the Journal of Organometallic Chemistry demonstrated its efficacy in palladium-catalyzed cross-coupling reactions, which are pivotal in pharmaceutical synthesis. The study highlighted the compound's ability to stabilize reactive intermediates, thereby improving reaction yields and selectivity.

In addition to its catalytic applications, recent research has investigated the compound's potential in material science. A team at MIT reported in Advanced Materials that Phosphine oxide, bis[4-(1,1-dimethylethyl)phenyl]- could be used as a building block for designing high-performance polymers with enhanced thermal stability. These polymers show promise for use in aerospace and electronics industries, where materials must withstand extreme conditions.

From a medicinal chemistry perspective, preliminary studies have suggested that derivatives of Phosphine oxide, bis[4-(1,1-dimethylethyl)phenyl]- may exhibit bioactive properties. A 2022 paper in Bioorganic & Medicinal Chemistry Letters identified several derivatives with moderate inhibitory activity against specific kinase enzymes, which are often targeted in cancer therapy. While these findings are still in the early stages, they open new avenues for drug discovery.

Despite these promising developments, challenges remain. The synthesis of Phosphine oxide, bis[4-(1,1-dimethylethyl)phenyl]- often requires harsh conditions, and its scalability for industrial applications is still under investigation. Future research directions may focus on optimizing synthetic routes and exploring its broader biological activities.

In conclusion, Phosphine oxide, bis[4-(1,1-dimethylethyl)phenyl]- (CAS: 326921-37-3) represents a versatile compound with diverse applications in catalysis, materials science, and drug development. Continued research efforts are expected to further elucidate its potential and address existing limitations, paving the way for innovative uses in the chemical and biomedical fields.

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