Technology Process of 3,5,7,8-Tetrahydroxy-6-(3-methyl-2-butenyl)-2-phenyl-4H-1-benzopyran-4-one
There total 6 articles about 3,5,7,8-Tetrahydroxy-6-(3-methyl-2-butenyl)-2-phenyl-4H-1-benzopyran-4-one which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
boron trifluoride diethyl etherate;
In
1,4-dioxane;
at 40 ℃;
Further byproducts given;
- Guidance literature:
-
Multi-step reaction with 5 steps
1: sodium benzoate
2: 4.5 g / K2CO3 / acetone / 3 h / Heating
3: 0.5 g / KOH, potassium persulphate, pyridine / H2O
4: 0.3 g / HI / acetic anhydride / 0.5 h / 119 - 120 °C
5: 40 mg / BF3*OEt2 / dioxane / 40 °C
With
pyridine; sodium benzoate; potassium hydroxide; potassium peroxomonosulphate; boron trifluoride diethyl etherate; hydrogen iodide; potassium carbonate;
In
1,4-dioxane; water; acetic anhydride; acetone;
- Guidance literature:
-
Multi-step reaction with 3 steps
1: 0.5 g / KOH, potassium persulphate, pyridine / H2O
2: 0.3 g / HI / acetic anhydride / 0.5 h / 119 - 120 °C
3: 40 mg / BF3*OEt2 / dioxane / 40 °C
With
pyridine; potassium hydroxide; potassium peroxomonosulphate; boron trifluoride diethyl etherate; hydrogen iodide;
In
1,4-dioxane; water; acetic anhydride;