1-(3-hydroxy-4-methoxy-phenyl)-2-(3,4,5-trimethoxy-phenyl)-ethane-1,2-dione

Base Information

• Chemical Name: 1-(3-hydroxy-4-methoxy-phenyl)-2-(3,4,5-trimethoxy-phenyl)-ethane-1,2-dione
• CAS No.: 852990-46-6
• Molecular Formula: C₁₈H₁₈O₇
• Molecular Weight: 346.337
• Mol file: 852990-46-6.mol

Synonyms:1-(3-hydroxy-4-methoxy-phenyl)-2-(3,4,5-trimethoxy-phenyl)-ethane-1,2-dione

Chemical Property of 1-(3-hydroxy-4-methoxy-phenyl)-2-(3,4,5-trimethoxy-phenyl)-ethane-1,2-dione

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1-(3-hydroxy-4-methoxy-phenyl)-2-(3,4,5-trimethoxy-phenyl)-ethane-1,2-dione

There total 4 articles about 1-(3-hydroxy-4-methoxy-phenyl)-2-(3,4,5-trimethoxy-phenyl)-ethane-1,2-dione 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: 86.0%

2-(3-hydroxy-4-methoxyphenyl)-1-(3',4',5'-trimethoxyphenyl)ethyne (185698-55-9) → 1-(3-hydroxy-4-methoxy-phenyl)-2-(3,4,5-trimethoxy-phenyl)-ethane-1,2-dione (852990-46-6)

Guidance literature:

With dimethyl sulfoxide; palladium(II) iodide; at 140 ℃; for 16h;

DOI:10.1016/j.bmcl.2008.04.053

Reference yield: 40.0%

1-(3-{[tert-butyl(dimethyl)silyl]oxy}-4-methoxyphenyl)-2-(3,4,5-trimethoxyphenyl)-1,2-ethanedione (852990-35-3) → 1-(3-hydroxy-4-methoxy-phenyl)-2-(3,4,5-trimethoxy-phenyl)-ethane-1,2-dione (852990-46-6)

Guidance literature:

With tetrabutyl ammonium fluoride; In tetrahydrofuran; for 0.0833333h;

DOI:10.1021/jm049096o

Reference yield:

combrestatin A4 (117048-62-1,117048-59-6) → 1-(3-hydroxy-4-methoxy-phenyl)-2-(3,4,5-trimethoxy-phenyl)-ethane-1,2-dione (852990-46-6)

Guidance literature:

Multi-step reaction with 2 steps

1.1: imidazole / CH₂Cl₂

1.2: 25 percent / methanesulfonamide; t-butyl alcohol; AD mix α / H2O / 30 h

2.1: 40 percent / TBAF / tetrahydrofuran / 0.08 h

With 1H-imidazole; tetrabutyl ammonium fluoride; In tetrahydrofuran; dichloromethane; 1.2: Sharpless asymmetric dihydroxylation;

DOI:10.1021/jm049096o

upstream raw materials:

1-(3-{[tert-butyl(dimethyl)silyl]oxy}-4-methoxyphenyl)-2-(3,4,5-trimethoxyphenyl)-1,2-ethanedione

(1S,2R)-1-(3-{[tert-butyl(dimethyl)silyl]oxy}-4-methoxyphenyl)-2-(3,4,5-trimethoxyphenyl)-1,2-ethanediol

combrestatin A₄

2-(3-hydroxy-4-methoxyphenyl)-1-(3',4',5'-trimethoxyphenyl)ethyne

Downstream raw materials:

5-(3-hydroxy-4-methoxyphenyl)-5-(3,4,5-trimethoxyphenyl)imidazolidine-2,4-dione