4H-1-Benzopyran-4-one,5,7,8-trihydroxy-2- (4-methoxyphenyl)-

Base Information

Chemical Name:4H-1-Benzopyran-4-one,5,7,8-trihydroxy-2- (4-methoxyphenyl)-
CAS No.:51876-19-8
Molecular Formula:C₁₆H₁₂O₆
Molecular Weight:300.268
Hs Code.:
Mol file:51876-19-8.mol

Synonyms:

Suppliers and Price of 4H-1-Benzopyran-4-one,5,7,8-trihydroxy-2- (4-methoxyphenyl)-

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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,5,7,8-trihydroxy-2- (4-methoxyphenyl)-

Chemical Property:

Purity/Quality:

Safty Information:

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Technology Process of 4H-1-Benzopyran-4-one,5,7,8-trihydroxy-2- (4-methoxyphenyl)-

There total 12 articles about 4H-1-Benzopyran-4-one,5,7,8-trihydroxy-2- (4-methoxyphenyl)- 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:

: 4'-O-methylisoscutellarein-7-O-[6'-O-acetyl]-β-D-allopyranosyl(1'→2)-β-D-glucopyranoside

: 50-99-7
D-glucose

: 2595-97-3
D-Allose

: 51876-19-8
5,7,8-trihydroxy-4'-methoxyflavone

: 64-19-7,77671-22-8
acetic acid

Guidance literature:: With sulfuric acid; for 5h;
DOI:10.1007/s10600-018-2318-y

Reference yield:

: 21919-66-4
2,30dihydroxy-4,6-dimethoxyacetophenone

: 51876-19-8
5,7,8-trihydroxy-4'-methoxyflavone

Guidance literature:: Multi-step reaction with 7 steps

1: K₂CO₃ / dimethylformamide / 3 h / Heating

2: conc.HCl / acetic acid / 1.42 h / Ambient temperature

3: pyridine / 2 h / 120 °C

4: KOH, pyridine / 4 h / 60 °C

5: 98 percent / sodium acetate / acetic acid / 4 h / 140 °C

6: 84 percent / H₂ / 10percent Pd/C / ethyl acetate; methanol

7: AlBr₃ / acetonitrile / 50 °C

With pyridine; hydrogenchloride; potassium hydroxide; aluminum tri-bromide; hydrogen; sodium acetate; potassium carbonate; palladium on activated charcoal; In methanol; acetic acid; ethyl acetate; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1246/bcsj.56.3773

Reference yield:

: 54299-57-9
3-benzyloxy-2-hydroxy-4,6-dimethoxyacetophenone

: 51876-19-8
5,7,8-trihydroxy-4'-methoxyflavone

Guidance literature:: Multi-step reaction with 5 steps

1: pyridine / 2 h / 120 °C

2: KOH, pyridine / 4 h / 60 °C

3: 98 percent / sodium acetate / acetic acid / 4 h / 140 °C

4: 84 percent / H₂ / 10percent Pd/C / ethyl acetate; methanol

5: AlBr₃ / acetonitrile / 50 °C

With pyridine; potassium hydroxide; aluminum tri-bromide; hydrogen; sodium acetate; palladium on activated charcoal; In methanol; acetic acid; ethyl acetate; acetonitrile;
DOI:10.1246/bcsj.56.3773