Technology Process of 4H-1-Benzopyran-4-one,
5-hydroxy-2-(3-hydroxy-4,5-dimethoxyphenyl)-7,8-dimethoxy-
There total 5 articles about 4H-1-Benzopyran-4-one,
5-hydroxy-2-(3-hydroxy-4,5-dimethoxyphenyl)-7,8-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:
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 3 g / pyridine / 1 h / Heating
2: 2 g / potassium hydroxide / pyridine / 3 h / 60 °C / Heating
3: 1.4 g / fused sodium acetat, glacial acetic acid / 4 h / Heating
4: 0.3 g / H2 / Pd-C (10 percent) / ethyl acetate / 760 Torr
5: 0.15 g / anhydrous aluminium chloride / acetonitrile / 4 h / Heating
With
pyridine; potassium hydroxide; aluminium trichloride; hydrogen; sodium acetate; acetic acid;
palladium on activated charcoal;
In
pyridine; ethyl acetate; acetonitrile;
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 3 g / pyridine / 1 h / Heating
2: 2 g / potassium hydroxide / pyridine / 3 h / 60 °C / Heating
3: 1.4 g / fused sodium acetat, glacial acetic acid / 4 h / Heating
4: 0.3 g / H2 / Pd-C (10 percent) / ethyl acetate / 760 Torr
5: 0.15 g / anhydrous aluminium chloride / acetonitrile / 4 h / Heating
With
pyridine; potassium hydroxide; aluminium trichloride; hydrogen; sodium acetate; acetic acid;
palladium on activated charcoal;
In
pyridine; ethyl acetate; acetonitrile;
- Guidance literature:
-
Multi-step reaction with 2 steps
1: 0.3 g / H2 / Pd-C (10 percent) / ethyl acetate / 760 Torr
2: 0.15 g / anhydrous aluminium chloride / acetonitrile / 4 h / Heating
With
aluminium trichloride; hydrogen;
palladium on activated charcoal;
In
ethyl acetate; acetonitrile;
