2-<3,4-dihydro-5,7-dimethoxy-6-(3-methyl-2-butenyl)-2H-1-benzopyran-3-yl>-5-<<(1,1-dimethylethyl)dimethylsilyl>oxy>phenol

Base Information

Chemical Name:2-<3,4-dihydro-5,7-dimethoxy-6-(3-methyl-2-butenyl)-2H-1-benzopyran-3-yl>-5-<<(1,1-dimethylethyl)dimethylsilyl>oxy>phenol
CAS No.:107913-85-9
Molecular Formula:C₂₈H₄₀O₅Si
Molecular Weight:484.708
Hs Code.:

Synonyms:2-<3,4-dihydro-5,7-dimethoxy-6-(3-methyl-2-butenyl)-2H-1-benzopyran-3-yl>-5-<<(1,1-dimethylethyl)dimethylsilyl>oxy>phenol

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Chemical Property of 2-<3,4-dihydro-5,7-dimethoxy-6-(3-methyl-2-butenyl)-2H-1-benzopyran-3-yl>-5-<<(1,1-dimethylethyl)dimethylsilyl>oxy>phenol

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Technology Process of 2-<3,4-dihydro-5,7-dimethoxy-6-(3-methyl-2-butenyl)-2H-1-benzopyran-3-yl>-5-<<(1,1-dimethylethyl)dimethylsilyl>oxy>phenol

There total 4 articles about 2-<3,4-dihydro-5,7-dimethoxy-6-(3-methyl-2-butenyl)-2H-1-benzopyran-3-yl>-5-<<(1,1-dimethylethyl)dimethylsilyl>oxy>phenol 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:

: 18162-48-6
tert-butyldimethylsilyl chloride

: 107913-84-8
Glyasperin D

: 107913-85-9
2-<3,4-dihydro-5,7-dimethoxy-6-(3-methyl-2-butenyl)-2H-1-benzopyran-3-yl>-5-<<(1,1-dimethylethyl)dimethylsilyl>oxy>phenol

: 107913-86-0
3-[2,4-Bis-(tert-butyl-dimethyl-silanyloxy)-phenyl]-5,7-dimethoxy-6-(3-methyl-but-2-enyl)-chroman

Guidance literature:: With triethylamine; In dichloromethane; at 20 ℃; for 20h;
DOI:10.1021/jo00386a024

Reference yield:

: 107913-82-6
<<4-<3,4-dihydro-5,7-dimethoxy-6-(3-methyl-2-butenyl)-2H-1-benzopyran-3-yl>-1,3-phenylene>bis<<(oxymethylene)oxy>-2,1-ethanediyl>>bis(trimethylsilane)

: 107913-85-9
2-<3,4-dihydro-5,7-dimethoxy-6-(3-methyl-2-butenyl)-2H-1-benzopyran-3-yl>-5-<<(1,1-dimethylethyl)dimethylsilyl>oxy>phenol

Guidance literature:: Multi-step reaction with 2 steps

1: 90 percent / conc. H₂SO₄ / methanol; tetrahydrofuran / 2 h / 20 °C

2: 57 percent / triethylamine / CH₂Cl₂ / 20 h / 20 °C

With sulfuric acid; triethylamine; In tetrahydrofuran; methanol; dichloromethane;
DOI:10.1021/jo00386a024

Reference yield:

: 107913-79-1,107913-90-6
β-<2,4-bis<<2-(trimethylsilyl)ethoxy>methoxy>phenyl>-6-hydroxy-3-(2-hydroxy-3-methylbutyl)-2,4-dimethoxybenzenepropanol

: 107913-85-9
2-<3,4-dihydro-5,7-dimethoxy-6-(3-methyl-2-butenyl)-2H-1-benzopyran-3-yl>-5-<<(1,1-dimethylethyl)dimethylsilyl>oxy>phenol

Guidance literature:: Multi-step reaction with 3 steps

1: 83 percent / triphenylphosphine, diethyl azodicarboxylate / tetrahydrofuran / 22 h / 20 °C

2: 90 percent / conc. H₂SO₄ / methanol; tetrahydrofuran / 2 h / 20 °C

3: 57 percent / triethylamine / CH₂Cl₂ / 20 h / 20 °C

With sulfuric acid; triethylamine; triphenylphosphine; diethylazodicarboxylate; In tetrahydrofuran; methanol; dichloromethane;
DOI:10.1021/jo00386a024