Bis[2-(diphenylphosphino)phenyl] ether oxide
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![Bis[2-(diphenylphosphino)phenyl] ether oxide structure](https://file.echemi.com/fileManage/upload/canonicalSmiles/20220811/2cd0e8df380f460dbcc0177ad2b4504c.png "Bis[2-(diphenylphosphino)phenyl] ether oxide")
Bis[2-(diphenylphosphino)phenyl] ether oxide
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CAS No:
808142-23-6
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Formula:
C36H28O3P2
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Chemical Name:
Bis[2-(diphenylphosphino)phenyl] ether oxide
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Synonyms:
Bis[2-((oxo)diphenylphosphino)phenyl] ether;Bis[2-(diphenylphosphino)phenyl] ether oxide;(oxybis(2,1-phenylene))bis(diphenylphosphine oxide);DPEPO
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CAS No:
Bis[2-(diphenylphosphino)phenyl] ether oxide Use and Manufacturing
Compound 8 (5.0 g, 9.3 mmol) was melted in 100 mL of CHGeneral procedure: Synthesis of the phosphine oxidesThe phosphine oxides were synthesized by oxidation ofthe corresponding phosphines. Calculated amounts of H2O2(30percent) were added slowly to the vigorously stirred THF solutionof the respective phosphine. Stirring was maintainedat room temperature for 2 h. After evaporation of THF, theresidue was treated with acetone-ethyl acetate to obtain therespective phosphine oxide product as a precipitate. The precipitatesthus obtained were filtered off and dried in a vacuum.All melting points were above 360 C with decomposition. DPEPO: 1H NMR (250 MHz, CDCl3): d = 7:75 – 7:64(m, 9H, Phen-H), 7.42 (m, 13H, Phen-H), 7.05 – 7.04 (t, 2H, Phen-H), 7.07 (t, 2H, Phen-H), 7.08 (t, 2H, Phen-H). – MS(EI): m=z = 570. Yield 84percent.Compound 8 (5.0 g, 9.3 mmol) was melted in 100 mL of CHGeneral procedure: Synthesis of the phosphine oxidesThe phosphine oxides were synthesized by oxidation ofthe corresponding phosphines. Calculated amounts of H2O2(30percent) were added slowly to the vigorously stirred THF solutionof the respective phosphine. Stirring was maintainedat room temperature for 2 h. After evaporation of THF, theresidue was treated with acetone-ethyl acetate to obtain therespective phosphine oxide product as a precipitate. The precipitatesthus obtained were filtered off and dried in a vacuum.All melting points were above 360 C with decomposition. DPEPO: 1H NMR (250 MHz, CDCl3): d = 7:75 – 7:64(m, 9H, Phen-H), 7.42 (m, 13H, Phen-H), 7.05 – 7.04 (t, 2H, Phen-H), 7.07 (t, 2H, Phen-H), 7.08 (t, 2H, Phen-H). – MS(EI): m=z = 570. Yield 84percent.
Computed Properties
Molecular Weight:570.6
XLogP3:7.7
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:8
Exact Mass:570.15136875
Monoisotopic Mass:570.15136875
Topological Polar Surface Area:43.4
Heavy Atom Count:41
Complexity:779
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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