[(2,5-dicyano-1,4-phenylene)bis(methylene)]bisphosphonic acid tetraethyl ester

Base Information

Chemical Name:[(2,5-dicyano-1,4-phenylene)bis(methylene)]bisphosphonic acid tetraethyl ester
CAS No.:314270-67-2
Molecular Formula:C₁₈H₂₆N₂O₆P₂
Molecular Weight:428.362
Hs Code.:

Synonyms:[(2,5-dicyano-1,4-phenylene)bis(methylene)]bisphosphonic acid tetraethyl ester

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Chemical Property of [(2,5-dicyano-1,4-phenylene)bis(methylene)]bisphosphonic acid tetraethyl ester

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Technology Process of [(2,5-dicyano-1,4-phenylene)bis(methylene)]bisphosphonic acid tetraethyl ester

There total 5 articles about [(2,5-dicyano-1,4-phenylene)bis(methylene)]bisphosphonic acid tetraethyl ester 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: 96.0%

: 64746-04-9
2,5-bis(bromomethyl)-1,4-benzenedicarbonitrile

: 122-52-1
triethyl phosphite

: 314270-67-2
[(2,5-dicyano-1,4-phenylene)bis(methylene)]bisphosphonic acid tetraethyl ester

Guidance literature:: In toluene; at 120 ℃; for 5h;
DOI:10.1071/CH16224

Reference yield:

: 106-42-3
para-xylene

: 314270-67-2
[(2,5-dicyano-1,4-phenylene)bis(methylene)]bisphosphonic acid tetraethyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: bromine / dichloromethane / 18 h / 12 °C

2: N,N-dimethyl-formamide / 48 h / Reflux

3: N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) / 5 h / Irradiation; Reflux

4: 18 h / 160 °C

With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile); bromine; In dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/j.saa.2011.02.013

Reference yield:

: 1074-24-4
2,5-dibromo-p-xylene

: 314270-67-2
[(2,5-dicyano-1,4-phenylene)bis(methylene)]bisphosphonic acid tetraethyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: N,N-dimethyl-formamide / 48 h / Reflux

2: N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) / 5 h / Irradiation; Reflux

3: 18 h / 160 °C

With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile); In N,N-dimethyl-formamide;
DOI:10.1016/j.saa.2011.02.013