5,7-Dimethoxy-2-(4-methoxy-phenoxy)-4-oxo-4H-chromene-3-carboxylic acid benzyl ester

Base Information

Chemical Name:5,7-Dimethoxy-2-(4-methoxy-phenoxy)-4-oxo-4H-chromene-3-carboxylic acid benzyl ester
CAS No.:78899-42-0
Molecular Formula:C₂₆H₂₂O₈
Molecular Weight:462.456
Hs Code.:

Synonyms:5,7-Dimethoxy-2-(4-methoxy-phenoxy)-4-oxo-4H-chromene-3-carboxylic acid benzyl ester

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Chemical Property of 5,7-Dimethoxy-2-(4-methoxy-phenoxy)-4-oxo-4H-chromene-3-carboxylic acid benzyl ester

Chemical Property:

Purity/Quality:

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MSDS Files:: SDS file from LookChem

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Technology Process of 5,7-Dimethoxy-2-(4-methoxy-phenoxy)-4-oxo-4H-chromene-3-carboxylic acid benzyl ester

There total 4 articles about 5,7-Dimethoxy-2-(4-methoxy-phenoxy)-4-oxo-4H-chromene-3-carboxylic acid benzyl ester 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: 59.0%

: 78899-33-9
3-[2,4-Dimethoxy-6-(4-methoxy-phenoxycarbonyloxy)-phenyl]-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-propionic acid benzyl ester

: 78899-42-0
5,7-Dimethoxy-2-(4-methoxy-phenoxy)-4-oxo-4H-chromene-3-carboxylic acid benzyl ester

Guidance literature:: In toluene; for 28h; Heating;
DOI:10.1039/c39810000474

Reference yield:

: benzyl 4,6-dimethoxysalicylate

: 78899-42-0
5,7-Dimethoxy-2-(4-methoxy-phenoxy)-4-oxo-4H-chromene-3-carboxylic acid benzyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: pyridine / CH₂Cl₂ / 0.5 h / 0 deg C to r.t.

2: AlCl₃, anisole / nitromethane / 1 h / 10 °C

3: SOCl₂ / benzene / 3 h / Heating

4: 57 percent / benzene / 17 h / Ambient temperature

5: 59 percent / toluene / 28 h / Heating

With pyridine; aluminium trichloride; thionyl chloride; methoxybenzene; In nitromethane; dichloromethane; toluene; benzene;
DOI:10.1039/c39810000474

Reference yield:

: 78899-25-9
2,4-Dimethoxy-6-(4-methoxy-phenoxycarbonyloxy)-benzoic acid

: 78899-42-0
5,7-Dimethoxy-2-(4-methoxy-phenoxy)-4-oxo-4H-chromene-3-carboxylic acid benzyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: SOCl₂ / benzene / 3 h / Heating

2: 57 percent / benzene / 17 h / Ambient temperature

3: 59 percent / toluene / 28 h / Heating

With thionyl chloride; In toluene; benzene;
DOI:10.1039/c39810000474