Ethyl 3-(2',4'-dimethoxyphenoxy)-5,7-dihydroxy-4-oxo-chromene-2-carboxylate

Base Information

Chemical Name:Ethyl 3-(2',4'-dimethoxyphenoxy)-5,7-dihydroxy-4-oxo-chromene-2-carboxylate
CAS No.:149312-78-7
Molecular Formula:C₂₀H₁₈O₉
Molecular Weight:402.358
Hs Code.:

Synonyms:Ethyl 3-(2',4'-dimethoxyphenoxy)-5,7-dihydroxy-4-oxo-chromene-2-carboxylate

Suppliers and Price of Ethyl 3-(2',4'-dimethoxyphenoxy)-5,7-dihydroxy-4-oxo-chromene-2-carboxylate

Supply Marketing:

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

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Total 1 raw suppliers

Chemical Property of Ethyl 3-(2',4'-dimethoxyphenoxy)-5,7-dihydroxy-4-oxo-chromene-2-carboxylate

Chemical Property:

Purity/Quality:: 98% ^*data from raw suppliers

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Technology Process of Ethyl 3-(2',4'-dimethoxyphenoxy)-5,7-dihydroxy-4-oxo-chromene-2-carboxylate

There total 4 articles about Ethyl 3-(2',4'-dimethoxyphenoxy)-5,7-dihydroxy-4-oxo-chromene-2-carboxylate 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: 75.0%

: 4755-77-5
Ethyl oxalyl chloride

: 149312-75-4
2-(2'',4''-Dimethoxyphenoxy)-2',4',6'-trihydroxyacetophenone

: 149312-78-7
Ethyl 3-(2',4'-dimethoxyphenoxy)-5,7-dihydroxy-4-oxo-chromene-2-carboxylate

Guidance literature:: With pyridine; for 72h; Ambient temperature;

Reference yield:

: 13330-65-9
2,4-dimethoxyphenol

: 149312-78-7
Ethyl 3-(2',4'-dimethoxyphenoxy)-5,7-dihydroxy-4-oxo-chromene-2-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: 80 percent / 8-crown-6-ether, K₂CO₃ / acetone / 1 h / Heating

2: 1) gaseous HCl, ZnCl₂, 2) H₂O / 1) THF, a) ice bath, 4 h, b) to r.t., overnight, 2) reflux, 30 min

3: 75 percent / pyridine / 72 h / Ambient temperature

With pyridine; hydrogenchloride; 8-crown-6 ether; water; potassium carbonate; zinc(II) chloride; In acetone;

Reference yield:

: 613-45-6
2,4-Dimethoxybenzaldehyde

: 149312-78-7
Ethyl 3-(2',4'-dimethoxyphenoxy)-5,7-dihydroxy-4-oxo-chromene-2-carboxylate

Guidance literature:: Multi-step reaction with 4 steps

1: 1) 30 percent H₂O₂, SeO₂, 2) aq. NaOH / 1) CH₂Cl₂, r.t., 12 h

2: 80 percent / 8-crown-6-ether, K₂CO₃ / acetone / 1 h / Heating

3: 1) gaseous HCl, ZnCl₂, 2) H₂O / 1) THF, a) ice bath, 4 h, b) to r.t., overnight, 2) reflux, 30 min

4: 75 percent / pyridine / 72 h / Ambient temperature

With pyridine; hydrogenchloride; sodium hydroxide; selenium(IV) oxide; 8-crown-6 ether; water; dihydrogen peroxide; potassium carbonate; zinc(II) chloride; In acetone;