4H-1-Benzopyran-4-one, 2-(2,6-dihydroxy-3,4-dimethoxyphenyl)-5-hydroxy-6,7-dimethoxy-

Base Information

Chemical Name:4H-1-Benzopyran-4-one, 2-(2,6-dihydroxy-3,4-dimethoxyphenyl)-5-hydroxy-6,7-dimethoxy-
CAS No.:89328-95-0
Molecular Formula:C₁₉H₁₈O₉
Molecular Weight:390.347
Hs Code.:

Synonyms:

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

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Chemical Property of 4H-1-Benzopyran-4-one, 2-(2,6-dihydroxy-3,4-dimethoxyphenyl)-5-hydroxy-6,7-dimethoxy-

Chemical Property:

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Technology Process of 4H-1-Benzopyran-4-one, 2-(2,6-dihydroxy-3,4-dimethoxyphenyl)-5-hydroxy-6,7-dimethoxy-

There total 11 articles about 4H-1-Benzopyran-4-one, 2-(2,6-dihydroxy-3,4-dimethoxyphenyl)-5-hydroxy-6,7-dimethoxy- 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:

: 13077-75-3
2,3-dimethoxy-1,6-dihydroxybenzene

: 89328-95-0
2',5,6'-trihydroxy-3',4',6,7-tetramethoxyflavone

Guidance literature:: Multi-step reaction with 6 steps

1: 1.8 g / K₂CO₃ / dimethylformamide / 1 h / 120 °C / Heating

2: 420 mg / POCl₃ / Ambient temperature

3: 1.5 g / piperidine / pyridine

4: 290 mg / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / dioxane

5: 95 mg / H₂ / 10 percent Pd/C / ethyl acetate

6: BCl₃ / CH₂Cl₂

With piperidine; hydrogen; boron trichloride; potassium carbonate; 2,3-dicyano-5,6-dichloro-p-benzoquinone; trichlorophosphate; palladium on activated charcoal; In 1,4-dioxane; pyridine; dichloromethane; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1248/cpb.35.660

Reference yield:

: 29865-90-5
3-hydroxy-4,5-dimethoxybenzaldehyde

: 89328-95-0
2',5,6'-trihydroxy-3',4',6,7-tetramethoxyflavone

Guidance literature:: Multi-step reaction with 7 steps

1: 1.) HCO₃H; 2.) 5 percent KOH / 1.) formic acid; 2.) ether

2: 1.8 g / K₂CO₃ / dimethylformamide / 1 h / 120 °C / Heating

3: 420 mg / POCl₃ / Ambient temperature

4: 1.5 g / piperidine / pyridine

5: 290 mg / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / dioxane

6: 95 mg / H₂ / 10 percent Pd/C / ethyl acetate

7: BCl₃ / CH₂Cl₂

With piperidine; potassium hydroxide; Peroxyformic acid; hydrogen; boron trichloride; potassium carbonate; 2,3-dicyano-5,6-dichloro-p-benzoquinone; trichlorophosphate; palladium on activated charcoal; In 1,4-dioxane; pyridine; dichloromethane; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1248/cpb.35.660

Reference yield:

: 71295-21-1
5-bromo-2,3-dimethoxybenzaldehyde

: 89328-95-0
2',5,6'-trihydroxy-3',4',6,7-tetramethoxyflavone

Guidance literature:: Multi-step reaction with 10 steps

1: 1.) H₂CO₃H; 2.) 5 percent KOH / 1.) formic acid, overnight; 2.) ether, 2 h

2: dimethylformamide / 4 h / Heating

3: Raney-Ni / H₂O; formic acid / 2 h / Heating

4: 1.) HCO₃H; 2.) 5 percent KOH / 1.) formic acid; 2.) ether

5: 1.8 g / K₂CO₃ / dimethylformamide / 1 h / 120 °C / Heating

6: 420 mg / POCl₃ / Ambient temperature

7: 1.5 g / piperidine / pyridine

8: 290 mg / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / dioxane

9: 95 mg / H₂ / 10 percent Pd/C / ethyl acetate

10: BCl₃ / CH₂Cl₂

With piperidine; potassium hydroxide; Peroxyformic acid; hydrogen; boron trichloride; potassium carbonate; 2,3-dicyano-5,6-dichloro-p-benzoquinone; trichlorophosphate; palladium on activated charcoal; nickel; In 1,4-dioxane; pyridine; formic acid; dichloromethane; water; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1248/cpb.35.660