2H-1-Benzopyran-4-methanol, 7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-3-[4-[[(1,1-dimethylethyl)dimethyl silyl]oxy]-2-hydroxyphenyl]-a-phenyl-

Base Information

Chemical Name:2H-1-Benzopyran-4-methanol, 7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-3-[4-[[(1,1-dimethylethyl)dimethyl silyl]oxy]-2-hydroxyphenyl]-a-phenyl-
CAS No.:554430-18-1
Molecular Formula:C34H46O5Si2
Molecular Weight:590.907
Hs Code.:

2H-1-Benzopyran-4-methanol,
7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-3-[4-[[(1,1-dimethylethyl)dimethyl
silyl]oxy]-2-hydroxyphenyl]-a-phenyl-

Synonyms:

Suppliers and Price of 2H-1-Benzopyran-4-methanol, 7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-3-[4-[[(1,1-dimethylethyl)dimethyl silyl]oxy]-2-hydroxyphenyl]-a-phenyl-

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Total 0 raw suppliers

Chemical Property of 2H-1-Benzopyran-4-methanol, 7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-3-[4-[[(1,1-dimethylethyl)dimethyl silyl]oxy]-2-hydroxyphenyl]-a-phenyl-

Chemical Property:

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:

Useful:

Technology Process of 2H-1-Benzopyran-4-methanol, 7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-3-[4-[[(1,1-dimethylethyl)dimethyl silyl]oxy]-2-hydroxyphenyl]-a-phenyl-

There total 13 articles about 2H-1-Benzopyran-4-methanol, 7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-3-[4-[[(1,1-dimethylethyl)dimethyl silyl]oxy]-2-hydroxyphenyl]-a-phenyl- 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: 90.0%

: 553681-47-3
2,8-bis(tert-butyl-dimethyl-silyloxy)-5,11-dihydro-chromeno[4,3-c]chromen-5-ol

: 100-58-3
phenylmagnesium bromide

: 554430-18-1
5-(tert-butyl-dimethyl-silyloxy)-2-[7-(tert-butyl-dimethyl-silyloxy)-4-(hydroxy-phenyl-methyl)-2H-chromen-3-yl]-phenol

Guidance literature:: In tetrahydrofuran; at 0 - 20 ℃; for 1h; Inert atmosphere;

Reference yield:

: 554430-87-4
2,8-bis(tert-butyl-dimethyl-silyloxy)-11H-chromeno[4,3-c]chromen-5-one

: 554430-18-1
5-(tert-butyl-dimethyl-silyloxy)-2-[7-(tert-butyl-dimethyl-silyloxy)-4-(hydroxy-phenyl-methyl)-2H-chromen-3-yl]-phenol

Guidance literature:: Multi-step reaction with 2 steps

1: diisobutylaluminum hydride / toluene / 5 h / -78 °C

2: tetrahydrofuran / 14 h / 0 - 20 °C

With diisobutylaluminium hydride; In tetrahydrofuran; toluene;
DOI:10.1021/jm060353u

Reference yield:

: 554430-69-2
2,8-dihydroxy-11H-chromeno[4,3-c]chromen-5-one

: 554430-18-1
5-(tert-butyl-dimethyl-silyloxy)-2-[7-(tert-butyl-dimethyl-silyloxy)-4-(hydroxy-phenyl-methyl)-2H-chromen-3-yl]-phenol

Guidance literature:: Multi-step reaction with 3 steps

1: Et₃N / CH₂Cl₂ / 18 h / 20 °C

2: diisobutylaluminum hydride / toluene / 5 h / -78 °C

3: tetrahydrofuran / 14 h / 0 - 20 °C

With diisobutylaluminium hydride; triethylamine; In tetrahydrofuran; dichloromethane; toluene;
DOI:10.1021/jm060353u