(E)-1-(2,4,6-tri-tert-butylphenyl)-2-(2,4,6-trimethylphenyl)diphosphene

Base Information

• Chemical Name: (E)-1-(2,4,6-tri-tert-butylphenyl)-2-(2,4,6-trimethylphenyl)diphosphene
• CAS No.: 85028-86-0
• Molecular Formula: C₂₇H₄₀P₂
• Molecular Weight: 426.562

Synonyms:(E)-1-mesityl-2-(2,4,6-tri-t-butylphenyl)diphosphene;(2,4,6-tri-t-butylphenyl)PP(2,4,6-trimethylphenyl);mesityl-2,4,6-tri-t-butylphenyldiphosphene;Mesityl(2,4,6-tri-tert-butylphenyl)diphosphene;(E)-1-(2,4,6-tri-tert-butylphenyl)-2-(2,4,6-trimethylphenyl)diphosphene;

Chemical Property of (E)-1-(2,4,6-tri-tert-butylphenyl)-2-(2,4,6-trimethylphenyl)diphosphene

Chemical Property:

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• PSA: 68.28000
• Density: g/cm³
• LogP: 8.26250

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of (E)-1-(2,4,6-tri-tert-butylphenyl)-2-(2,4,6-trimethylphenyl)diphosphene

There total 4 articles about (E)-1-(2,4,6-tri-tert-butylphenyl)-2-(2,4,6-trimethylphenyl)diphosphene 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: 76.0%

dichloro(mesityl)phosphane (6781-96-0) + (2,4,6-tri-tert-butylphenyl)phosphine (83115-12-2) → (E)-1-mesityl-2-(2,4,6-tri-t-butylphenyl)diphosphene (85028-86-0,90599-67-0)

Guidance literature:

With 1,8-diazabicyclo[5.4.0]undec-7-ene; In tetrahydrofuran; at 0 ℃;

DOI:10.1021/ja00346a077

Reference yield:

2,4,6-tri-t-butylphenylphosphonous dichloride (79074-00-3) → (E)-1-mesityl-2-(2,4,6-tri-t-butylphenyl)diphosphene (85028-86-0,90599-67-0)

Guidance literature:

Multi-step reaction with 2 steps

1: LiAlH₄ / diethyl ether / 0 °C

2: 76 percent / 1,8-diazabicyclo<5.4.0>undec-7-ene / tetrahydrofuran / 0 °C

With lithium aluminium tetrahydride; 1,8-diazabicyclo[5.4.0]undec-7-ene; In tetrahydrofuran; diethyl ether;

DOI:10.1021/ja00346a077

Reference yield:

2,4,6-tri-t-butylphenylphosphonous dichloride (79074-00-3) + dibromo(mesityl)phosphane (87437-12-5) → Bis(2,4,6-tri-tert-butylphenyl)diphosphen (83466-54-0,93602-74-5,79073-99-7) + (E)-1-mesityl-2-(2,4,6-tri-t-butylphenyl)diphosphene (85028-86-0,90599-67-0) + permesitylcyclotriphosphine (87437-18-1)

Guidance literature:

With magnesium; In tetrahydrofuran; Ambient temperature;

DOI:10.1016/S0040-4039(00)81836-5

upstream raw materials:

mesityl[bis(trimethylsilyl)]phosphine

dichloro(mesityl)phosphane

(2,4,6-tri-tert-butylphenyl)phosphine

2,4,6-tri-t-butylphenylphosphonous dichloride

Downstream raw materials:

2-(2,4,6-Tri-tert-butyl-phenyl)-3-(2,4,6-trimethyl-phenyl)-selenadiphosphirane

(2,4,6-tri-t-butyl-C₆H₂)PP(2,4,6-trimethyl-C₆H₂){Cr(CO)5}

(2,4,6-tri-t-butyl-C₆H₂)PP(2,4,6-trimethyl-C₆H₂){Wr(CO)5}

(((CH₃)3C)3C₆H₂)PP((CH₃)3C₆H₂)Mo(CO)5

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