3,4-bis(4-methylphenyl)-1-ethoxy-8-methylbenz[c-1,2]oxaphosphinine 1-oxide

Base Information

Chemical Name:3,4-bis(4-methylphenyl)-1-ethoxy-8-methylbenz[c-1,2]oxaphosphinine 1-oxide
CAS No.:1443991-72-7
Molecular Formula:C₂₅H₂₅O₃P
Molecular Weight:404.445
Hs Code.:

Synonyms:3,4-bis(4-methylphenyl)-1-ethoxy-8-methylbenz[c-1,2]oxaphosphinine 1-oxide

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 3,4-bis(4-methylphenyl)-1-ethoxy-8-methylbenz[c-1,2]oxaphosphinine 1-oxide

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Technology Process of 3,4-bis(4-methylphenyl)-1-ethoxy-8-methylbenz[c-1,2]oxaphosphinine 1-oxide

There total 2 articles about 3,4-bis(4-methylphenyl)-1-ethoxy-8-methylbenz[c-1,2]oxaphosphinine 1-oxide 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: 92.0%

: 2789-88-0
1,2-bis(4-methylphenyl)acetylene

: 1443991-46-5
(2-methylphenyl)phosphonic acid monoethyl ester

: 1443991-72-7
3,4-bis(4-methylphenyl)-1-ethoxy-8-methylbenz[c-1,2]oxaphosphinine 1-oxide

Guidance literature:: With dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; sodium acetate; silver carbonate; In tert-butyl alcohol; at 90 ℃; for 16h; regioselective reaction;
DOI:10.1021/ol401407v

Reference yield:

: 15286-11-0
diethyl o-tolylphosphonate

: 1443991-72-7
3,4-bis(4-methylphenyl)-1-ethoxy-8-methylbenz[c-1,2]oxaphosphinine 1-oxide

Guidance literature:: Multi-step reaction with 2 steps

1: sodium hydroxide; water / 80 °C

2: dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; silver carbonate; sodium acetate / tert-butyl alcohol / 16 h / 90 °C

With dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; water; sodium acetate; silver carbonate; sodium hydroxide; In tert-butyl alcohol;
DOI:10.1021/ol401407v