tetraethyl ((2,5-dimethyl-1,4-phenylene)bis(methylene))bis(phosphonate)

Base Information

• Chemical Name: tetraethyl ((2,5-dimethyl-1,4-phenylene)bis(methylene))bis(phosphonate)
• CAS No.: 35334-83-9
• Molecular Formula: C₁₈H₃₂O₆P₂
• Molecular Weight: 406.396
• Mol file: 35334-83-9.mol

Synonyms:tetraethyl ((2,5-dimethyl-1,4-phenylene)bis(methylene))bis(phosphonate)

Chemical Property of tetraethyl ((2,5-dimethyl-1,4-phenylene)bis(methylene))bis(phosphonate)

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of tetraethyl ((2,5-dimethyl-1,4-phenylene)bis(methylene))bis(phosphonate)

There total 4 articles about tetraethyl ((2,5-dimethyl-1,4-phenylene)bis(methylene))bis(phosphonate) 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: 80.0%

2,5-dibromomethyl-p-xylene (35168-62-8) + triethyl phosphite (122-52-1) → tetraethyl ((2,5-dimethyl-1,4-phenylene)bis(methylene))bis(phosphonate) (35334-83-9)

Guidance literature:

In xylene; for 6h; Heating;

DOI:10.1007/BF02324649

Reference yield:

para-xylene (106-42-3) → tetraethyl ((2,5-dimethyl-1,4-phenylene)bis(methylene))bis(phosphonate) (35334-83-9)

Guidance literature:

Multi-step reaction with 2 steps

1: hydrogen bromide; acetic acid / 24 h / 60 °C

2: 24 h / 120 °C

With hydrogen bromide; acetic acid;

DOI:10.1002/pola.25919

Reference yield:

2,5-bis(chloromethyl)-p-xylene (6298-72-2) + triethyl phosphite (122-52-1) → tetraethyl ((2,5-dimethyl-1,4-phenylene)bis(methylene))bis(phosphonate) (35334-83-9)

Guidance literature:

at 200 ℃;

upstream raw materials:

2,5-bis(chloromethyl)-p-xylene

triethyl phosphite

2,5-dibromomethyl-p-xylene

para-xylene

Downstream raw materials:

trans,trans-2,5-Bis(2-iodstyryl)-p-xylol

7,14-Dimethyldibenzanthracen

2,5-dimethyl-1,4-distyrylbenzene