7-(tert-butyl-diphenyl-silanyloxy)-5-(3-methyl-but-2-enyloxy)-2-phenyl-chromen-4-one

Base Information

• Chemical Name: 7-(tert-butyl-diphenyl-silanyloxy)-5-(3-methyl-but-2-enyloxy)-2-phenyl-chromen-4-one
• CAS No.: 447451-04-9
• Molecular Formula: C₃₆H₃₆O₄Si
• Molecular Weight: 560.765

Synonyms:7-(tert-butyl-diphenyl-silanyloxy)-5-(3-methyl-but-2-enyloxy)-2-phenyl-chromen-4-one

Chemical Property of 7-(tert-butyl-diphenyl-silanyloxy)-5-(3-methyl-but-2-enyloxy)-2-phenyl-chromen-4-one

Chemical Property:

Purity/Quality:

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Technology Process of 7-(tert-butyl-diphenyl-silanyloxy)-5-(3-methyl-but-2-enyloxy)-2-phenyl-chromen-4-one

There total 3 articles about 7-(tert-butyl-diphenyl-silanyloxy)-5-(3-methyl-but-2-enyloxy)-2-phenyl-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: 43.0%

prenyl bromide (870-63-3) + 7-(tert-butyl-diphenyl-silanyloxy)-5-hydroxy-2-phenyl-chromen-4-one (447451-03-8) → 7-(tert-butyl-diphenyl-silanyloxy)-5-(3-methyl-but-2-enyloxy)-2-phenyl-chromen-4-one (447451-04-9)

Guidance literature:

With tetrabutylammomium bromide; In dichloromethane; toluene; at 20 ℃; for 1.5h;

DOI:10.1016/S0040-4020(02)00309-5

Reference yield:

5,7-dihydroxy-2-phenyl-chromen-4-one (480-40-0) → 7-(tert-butyl-diphenyl-silanyloxy)-5-(3-methyl-but-2-enyloxy)-2-phenyl-chromen-4-one (447451-04-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 79 percent / imidazole / dimethylformamide / 2 h / 50 °C

2: 43 percent / n-Bu₄NBr / CH₂Cl₂; toluene / 1.5 h / 20 °C

With 1H-imidazole; tetrabutylammomium bromide; In dichloromethane; N,N-dimethyl-formamide; toluene;

DOI:10.1016/S0040-4020(02)00309-5

Reference yield:

tert-butylchlorodiphenylsilane (58479-61-1) → 7-(tert-butyl-diphenyl-silanyloxy)-5-(3-methyl-but-2-enyloxy)-2-phenyl-chromen-4-one (447451-04-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 79 percent / imidazole / dimethylformamide / 2 h / 50 °C

2: 43 percent / n-Bu₄NBr / CH₂Cl₂; toluene / 1.5 h / 20 °C

With 1H-imidazole; tetrabutylammomium bromide; In dichloromethane; N,N-dimethyl-formamide; toluene;

DOI:10.1016/S0040-4020(02)00309-5

upstream raw materials:

prenyl bromide

7-(tert-butyl-diphenyl-silanyloxy)-5-hydroxy-2-phenyl-chromen-4-one

5,7-dihydroxy-2-phenyl-chromen-4-one

tert-butylchlorodiphenylsilane

Downstream raw materials:

8-Prenylchrysin

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