Technology Process of 4H-1-Benzopyran-4-one,
7-hydroxy-5,8-dimethoxy-2-(2-methoxyphenyl)-
There total 8 articles about 4H-1-Benzopyran-4-one,
7-hydroxy-5,8-dimethoxy-2-(2-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:
- Guidance literature:
-
Multi-step reaction with 2 steps
1: boron trifluoride diethyl etherate / 40 °C
2: iodine / dimethyl sulfoxide
With
boron trifluoride diethyl etherate; iodine;
In
dimethyl sulfoxide;
1: |Friedel-Crafts Acylation;
DOI:10.1016/j.ejmech.2017.09.046
- Guidance literature:
-
Multi-step reaction with 7 steps
1: potassium iodide; potassium carbonate / acetone / 48 h / Reflux
2: acetic acid; nitric acid / 4 h / 40 °C
3: sodium dithionite / ethyl acetate; water / 20 °C
4: sodium hydroxide / ethanol / 20 °C / pH 8 - 9
5: hydrogen; palladium 10% on activated carbon / methanol / 8 h / 20 °C
6: boron trifluoride diethyl etherate / 40 °C
7: iodine / dimethyl sulfoxide
With
sodium dithionite; palladium 10% on activated carbon; boron trifluoride diethyl etherate; hydrogen; iodine; nitric acid; potassium carbonate; acetic acid; potassium iodide; sodium hydroxide;
In
methanol; ethanol; water; dimethyl sulfoxide; ethyl acetate; acetone;
6: |Friedel-Crafts Acylation;
DOI:10.1016/j.ejmech.2017.09.046