Technology Process of 6-Hydroxy-2-methylchromone
There total 9 articles about 6-Hydroxy-2-methylchromone which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
2,5-diacetoxyacetophenone;
With
potassium tert-butylate;
In
tetrahydrofuran;
With
sodium hydroxide; copper dichloride;
In
tetrahydrofuran;
at 20 ℃;
for 24h;
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 90 percent / Br2 / CCl4 / Heating
2: toluene / Heating
3: 1.) 47percent HBr; 2.) aq.Na2CO3 / 1.) 100 deg C
4: 2.) 0.5N NaOH / 1.) pyridine, 3 h, 60 deg C; 2.) 50 deg C, 1 h
With
sodium hydroxide; hydrogen bromide; bromine; sodium carbonate;
In
tetrachloromethane; toluene;
DOI:10.1016/S0040-4039(00)84634-1
- Guidance literature:
-
Multi-step reaction with 3 steps
1: toluene / Heating
2: 1.) 47percent HBr; 2.) aq.Na2CO3 / 1.) 100 deg C
3: 2.) 0.5N NaOH / 1.) pyridine, 3 h, 60 deg C; 2.) 50 deg C, 1 h
With
sodium hydroxide; hydrogen bromide; sodium carbonate;
In
toluene;
DOI:10.1016/S0040-4039(00)84634-1