(-)-R,S-trans-1-(tert-butylphenylphosphinyl)-2-(methylphenylphosphinyl)ethene

Base Information

• Chemical Name: (-)-R,S-trans-1-(tert-butylphenylphosphinyl)-2-(methylphenylphosphinyl)ethene
• CAS No.: 124081-68-1
• Molecular Formula: C₁₉H₂₄O₂P₂
• Molecular Weight: 346.346

Synonyms:(-)-R,S-trans-1-(tert-butylphenylphosphinyl)-2-(methylphenylphosphinyl)ethene

Chemical Property of (-)-R,S-trans-1-(tert-butylphenylphosphinyl)-2-(methylphenylphosphinyl)ethene

Chemical Property:

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Technology Process of (-)-R,S-trans-1-(tert-butylphenylphosphinyl)-2-(methylphenylphosphinyl)ethene

There total 4 articles about (-)-R,S-trans-1-(tert-butylphenylphosphinyl)-2-(methylphenylphosphinyl)ethene 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: 20.6%

tert-Butylphenylphosphine oxide (98976-30-8,57956-51-1,6057-79-0,82945-11-7) + (-)-R-(1-bromovinyl)methylphenylphosphine oxide (124081-58-9) → (-)-R,S-trans-1-(tert-butylphenylphosphinyl)-2-(methylphenylphosphinyl)ethene (124081-68-1) + (-)-S,S-trans-1-(tert-butylphenylphosphinyl)-2-(methylphenylphosphinyl)ethene (124081-68-1,124151-55-9)

Guidance literature:

In pyridine; for 12h; Heating;

DOI:10.1016/0040-4020(89)80061-4

Reference yield: 20.6%

tert-Butylphenylphosphine oxide (98976-30-8,57956-51-1,6057-79-0,82945-11-7) + (-)-R-(1-bromovinyl)methylphenylphosphine oxide (124081-58-9) → (-)-R,S-trans-1-(tert-butylphenylphosphinyl)-2-(methylphenylphosphinyl)ethene (124081-68-1) + (-)-S,S-trans-1-(tert-butylphenylphosphinyl)-2-(methylphenylphosphinyl)ethene (124081-68-1,124151-55-9)

Guidance literature:

In pyridine; for 12h; Heating;

DOI:10.1016/0040-4020(89)80061-4

Reference yield:

(-)-(SP)-methylphenylvinylphosphine oxide (89438-78-8) → (-)-R,S-trans-1-(tert-butylphenylphosphinyl)-2-(methylphenylphosphinyl)ethene (124081-68-1)

Guidance literature:

Multi-step reaction with 2 steps

1: 1.) bromine, 2.)triethylamine / 1.) CH₂Cl₂, 2h; 2.)CH₂Cl₂

2: 23 percent / pyridine / 12 h / Heating

With bromine; triethylamine; In pyridine;

DOI:10.1016/0040-4020(89)80061-4

upstream raw materials:

tert-Butylphenylphosphine oxide

(-)-R-(1-bromovinyl)methylphenylphosphine oxide

(-)-(S_P)-methylphenylvinylphosphine oxide

Downstream raw materials:

C₁₉H₂₆O₂P₂

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