6-bromo-5,7,8-trihydroxy-4'-methoxyflavone

Base Information

Chemical Name:6-bromo-5,7,8-trihydroxy-4'-methoxyflavone
CAS No.:89473-40-5
Molecular Formula:C₁₆H₁₁BrO₆
Molecular Weight:379.164
Hs Code.:

Synonyms:

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Chemical Property of 6-bromo-5,7,8-trihydroxy-4'-methoxyflavone

Chemical Property:

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Technology Process of 6-bromo-5,7,8-trihydroxy-4'-methoxyflavone

There total 7 articles about 6-bromo-5,7,8-trihydroxy-4'-methoxyflavone 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:

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

: 89473-40-5
6-bromo-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

Reference yield:

: 89456-13-3
2,3-bis(benzyloxy)-4,6-dimethoxyacetophenone

: 89473-40-5
6-bromo-5,7,8-trihydroxy-4'-methoxyflavone

Guidance literature:: Multi-step reaction with 6 steps

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

2: pyridine / 2 h / 120 °C

3: KOH, pyridine / 4 h / 60 °C

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

5: 84 percent / H₂ / 10percent Pd/C / ethyl acetate; methanol

6: AlBr₃ / acetonitrile / 50 °C

With pyridine; hydrogenchloride; 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

Reference yield:

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

: 89473-40-5
6-bromo-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