Technology Process of 4H-1-Benzopyran-4-one,
3-(3-hydroxy-4-methoxyphenyl)-7-[(3-methyl-2-butenyl)oxy]-
There total 5 articles about 4H-1-Benzopyran-4-one,
3-(3-hydroxy-4-methoxyphenyl)-7-[(3-methyl-2-butenyl)oxy]- 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:
-
With
hydrogenchloride;
In
acetic acid;
at 40 - 50 ℃;
for 2h;
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 750 mg / aqueous KOH / ethanol / 24 h / Ambient temperature
2: 720 mg / potassium carbonate / acetone
3: 210 mg / H2O2, aqueous NaOH / methanol; acetone / Ambient temperature
4: BF3-etherate / benzene / 3 h
5: 7 mg / conc. HCl / acetic acid / 2 h / 40 - 50 °C
With
hydrogenchloride; potassium hydroxide; sodium hydroxide; boron trifluoride diethyl etherate; dihydrogen peroxide; potassium carbonate;
In
methanol; ethanol; acetic acid; acetone; benzene;
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 720 mg / potassium carbonate / acetone
2: 210 mg / H2O2, aqueous NaOH / methanol; acetone / Ambient temperature
3: BF3-etherate / benzene / 3 h
4: 7 mg / conc. HCl / acetic acid / 2 h / 40 - 50 °C
With
hydrogenchloride; sodium hydroxide; boron trifluoride diethyl etherate; dihydrogen peroxide; potassium carbonate;
In
methanol; acetic acid; acetone; benzene;