6,7-Dimethoxy-5-hydroxy-2-<2-(3,5-dihydroxyphenyl)ethenyl>-3-methylchromone

Base Information

Chemical Name:6,7-Dimethoxy-5-hydroxy-2-<2-(3,5-dihydroxyphenyl)ethenyl>-3-methylchromone
CAS No.:128191-10-6
Molecular Formula:C₂₀H₁₈O₇
Molecular Weight:370.359
Hs Code.:

Synonyms:6,7-Dimethoxy-5-hydroxy-2-<2-(3,5-dihydroxyphenyl)ethenyl>-3-methylchromone

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Chemical Property of 6,7-Dimethoxy-5-hydroxy-2-<2-(3,5-dihydroxyphenyl)ethenyl>-3-methylchromone

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Technology Process of 6,7-Dimethoxy-5-hydroxy-2-<2-(3,5-dihydroxyphenyl)ethenyl>-3-methylchromone

There total 6 articles about 6,7-Dimethoxy-5-hydroxy-2-<2-(3,5-dihydroxyphenyl)ethenyl>-3-methylchromone 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: 71.0%

: 128191-06-0
5,6,7-Trimethoxy-2-<2-<3,5-bis(benzyloxy)phenyl>ethenyl>-3-methylchromone

: 128191-10-6
6,7-Dimethoxy-5-hydroxy-2-<2-(3,5-dihydroxyphenyl)ethenyl>-3-methylchromone

Guidance literature:: With boron trichloride; In dichloromethane; 1) 0 deg C, 1 h, 2) r. t.;
DOI:10.1021/jo00301a027

Reference yield:

: 642-71-7
3,4,5-trimethoxyphenol

: 128191-10-6
6,7-Dimethoxy-5-hydroxy-2-<2-(3,5-dihydroxyphenyl)ethenyl>-3-methylchromone

Guidance literature:: Multi-step reaction with 4 steps

1: 5 percent / phophorus pentoxide/methanesulfonic acid (10 percent) / 5 h / Ambient temperature

2: 91 percent / NaOMe / methanol / 4 h / Heating

3: 1) LDA / 1) THF, -78 deg C, 1 h

4: 71 percent / 1.0 M boron trichloride / CH₂Cl₂ / 1) 0 deg C, 1 h, 2) r. t.

With methanesulfonic acid; sodium methylate; phosphorus pentoxide; boron trichloride; lithium diisopropyl amide; In methanol; dichloromethane;
DOI:10.1021/jo00301a027

Reference yield:

: 14615-72-6
3,5-dibenzyloxybenzaldehyde

: 128191-10-6
6,7-Dimethoxy-5-hydroxy-2-<2-(3,5-dihydroxyphenyl)ethenyl>-3-methylchromone

Guidance literature:: Multi-step reaction with 3 steps

1: 91 percent / NaOMe / methanol / 4 h / Heating

2: 1) LDA / 1) THF, -78 deg C, 1 h

3: 71 percent / 1.0 M boron trichloride / CH₂Cl₂ / 1) 0 deg C, 1 h, 2) r. t.

With sodium methylate; boron trichloride; lithium diisopropyl amide; In methanol; dichloromethane;
DOI:10.1021/jo00301a027