5,5'-(1,4-phenylene)bis(2-oxo-2-phenyl-2,3-dihydro-1,3,4,2-oxadiazaphosphole)

Base Information

• Chemical Name: 5,5'-(1,4-phenylene)bis(2-oxo-2-phenyl-2,3-dihydro-1,3,4,2-oxadiazaphosphole)
• CAS No.: 1207973-82-7
• Molecular Formula: C₂₀H₁₆N₄O₄P₂
• Molecular Weight: 438.319

Synonyms:5,5'-(1,4-phenylene)bis(2-oxo-2-phenyl-2,3-dihydro-1,3,4,2-oxadiazaphosphole)

Chemical Property of 5,5'-(1,4-phenylene)bis(2-oxo-2-phenyl-2,3-dihydro-1,3,4,2-oxadiazaphosphole)

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Technology Process of 5,5'-(1,4-phenylene)bis(2-oxo-2-phenyl-2,3-dihydro-1,3,4,2-oxadiazaphosphole)

There total 1 articles about 5,5'-(1,4-phenylene)bis(2-oxo-2-phenyl-2,3-dihydro-1,3,4,2-oxadiazaphosphole) 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: 72.0%

P,P-dichlorophenylphosphine oxide (824-72-6) + terephthalohydrazide (136-64-1) → 5,5'-(1,4-phenylene)bis(2-oxo-2-phenyl-2,3-dihydro-1,3,4,2-oxadiazaphosphole) (1207973-82-7)

Guidance literature:

With sodium hydride; In tetrahydrofuran; N,N-dimethyl-formamide; at 25 ℃; Reflux;

DOI:10.1002/hc.20520

Reference yield: 66.0%

5,5'-(1,4-phenylene)bis(2-oxo-2-phenyl-2,3-dihydro-1,3,4,2-oxadiazaphosphole) (1207973-82-7) → 5,5'-(1,4-phenylene)bis(4-amino-3-oxo-3-phenyl-2,3-dihydro-4H-1,2,4,3-triazaphosphole) (1207973-86-1)

Guidance literature:

With hydrazine hydrate; In ethanol; for 5h; Reflux;

DOI:10.1002/hc.20520

Reference yield: 64.0%

methyl phosphonic diamide (4759-30-2) + 5,5'-(1,4-phenylene)bis(2-oxo-2-phenyl-2,3-dihydro-1,3,4,2-oxadiazaphosphole) (1207973-82-7) → 5,5'-(1,4-phenylene)bis[P-methyl-P-(3-oxo-3-phenyl-2,3-dihydro-4H-1,2,4,3-triazaphosphol-4-yl)phosphinic amide] (1207973-88-3)

Guidance literature:

In ethanol; for 5h; Reflux;

DOI:10.1002/hc.20520

upstream raw materials:

P,P-dichlorophenylphosphine oxide

terephthalohydrazide

Downstream raw materials:

5,5'-(1,4-phenylene)bis(4-amino-3-oxo-3-phenyl-2,3-dihydro-4H-1,2,4,3-triazaphosphole)

5,5'-(1,4-phenylene)bis[P-methyl-P-(3-oxo-3-phenyl-2,3-dihydro-4H-1,2,4,3-triazaphosphol-4-yl)phosphinic amide]

5,5'-(1,4-phenylene)bis[(3-oxo-3-phenyl-2,3-dihydro-4H-1,2,4,3-triazaphosphol-4-yl)(6-methyl-4-oxo-4H-chromen-3-yl)]methylphosphonic acid

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