7-Benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-5-(2-hydroxy-ethoxy)-chromen-4-one

Base Information

• Chemical Name: 7-Benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-5-(2-hydroxy-ethoxy)-chromen-4-one
• CAS No.: 172805-74-2
• Molecular Formula: C₃₂H₂₈O₇
• Molecular Weight: 524.57
• Mol file: 172805-74-2.mol

Synonyms:7-Benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-5-(2-hydroxy-ethoxy)-chromen-4-one

Chemical Property of 7-Benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-5-(2-hydroxy-ethoxy)-chromen-4-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 7-Benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-5-(2-hydroxy-ethoxy)-chromen-4-one

There total 5 articles about 7-Benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-5-(2-hydroxy-ethoxy)-chromen-4-one 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: 91.3%

[7-Benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-4-oxo-4H-chromen-5-yloxy]-acetic acid ethyl ester (172805-75-3) → 7-Benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-5-(2-hydroxy-ethoxy)-chromen-4-one (172805-74-2)

Guidance literature:

With sodium tetrahydroborate; In N,N-dimethyl-formamide; for 26h; Ambient temperature;

Reference yield: 18.3%

oxirane (75-21-8,99932-75-9) + 7-benzyloxy-2-(3-benzyloxy-4-methoxyphenyl)-5-hydroxy-4H-chromen-4-one (172805-73-1) → 7-Benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-5-(2-hydroxy-ethoxy)-chromen-4-one (172805-74-2)

Guidance literature:

With potassium carbonate; In isopropyl alcohol; at 90 ℃; for 48h;

Reference yield:

diosmetin (520-34-3) → 7-Benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-5-(2-hydroxy-ethoxy)-chromen-4-one (172805-74-2)

Guidance literature:

Multi-step reaction with 2 steps

1: 45.9 percent / Na₂CO₃ / dimethylformamide / 15 h / 80 °C

2: 18.3 percent / K₂CO₃ / propan-2-ol / 48 h / 90 °C

With sodium carbonate; potassium carbonate; In N,N-dimethyl-formamide; isopropyl alcohol;

upstream raw materials:

oxirane

7-benzyloxy-2-(3-benzyloxy-4-methoxyphenyl)-5-hydroxy-4H-chromen-4-one

[7-Benzyloxy-2-(3-benzyloxy-4-methoxy-phenyl)-4-oxo-4H-chromen-5-yloxy]-acetic acid ethyl ester

diosmetin