4-[Chloro-(diphenyl-phosphinoyl)-methyl]-1,2-dimethoxy-benzene

Base Information

• Chemical Name: 4-[Chloro-(diphenyl-phosphinoyl)-methyl]-1,2-dimethoxy-benzene
• CAS No.: 159386-44-4
• Molecular Formula: C₂₁H₂₀ClO₃P
• Molecular Weight: 386.815
• Mol file: 159386-44-4.mol

Synonyms:4-[Chloro-(diphenyl-phosphinoyl)-methyl]-1,2-dimethoxy-benzene

Chemical Property of 4-[Chloro-(diphenyl-phosphinoyl)-methyl]-1,2-dimethoxy-benzene

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 4-[Chloro-(diphenyl-phosphinoyl)-methyl]-1,2-dimethoxy-benzene

There total 1 articles about 4-[Chloro-(diphenyl-phosphinoyl)-methyl]-1,2-dimethoxy-benzene 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: 61.0%

3,4-dimethoxy-benzaldehyde (120-14-9) + chloro-diphenylphosphine (1079-66-9,74391-44-9) → 4-[Chloro-(diphenyl-phosphinoyl)-methyl]-1,2-dimethoxy-benzene (159386-44-4)

Guidance literature:

With decalin; for 3h; Heating;

DOI:10.1016/S0040-4039(00)73481-2

Reference yield: 63.0%

4-[Chloro-(diphenyl-phosphinoyl)-methyl]-1,2-dimethoxy-benzene (159386-44-4) → diphenyl 3,4-dimethoxybenzylphosphine oxide (159386-47-7)

Guidance literature:

With sodium tetrahydroborate; In dimethyl sulfoxide; at 70 ℃; for 12h;

DOI:10.1016/S0040-4039(00)73481-2

Reference yield:

4-[Chloro-(diphenyl-phosphinoyl)-methyl]-1,2-dimethoxy-benzene (159386-44-4) → (E)-tetramethylpiceatannol (83088-26-0)

Guidance literature:

Multi-step reaction with 2 steps

1: 63 percent / NaBH₄ / dimethylsulfoxide / 12 h / 70 °C

2: 1.) n-BuLi / 1.) THF, hexane, 0 deg C, 10 min; 2.) THF, r.t., 12 h

With sodium tetrahydroborate; n-butyllithium; In dimethyl sulfoxide;

DOI:10.1016/S0040-4039(00)73481-2

upstream raw materials:

3,4-dimethoxy-benzaldehyde

chloro-diphenylphosphine

Downstream raw materials:

diphenyl 3,4-dimethoxybenzylphosphine oxide

(E)-tetramethylpiceatannol

3,4,3',4'-Tetramethoxystilben

(E)-3,4,4'-trimethoxystilbene