Technology Process of 4H-1-Benzopyran-4-one, 7-decyl-3-methoxy-2-(2,3,4-trimethoxyphenyl)-
There total 2 articles about 4H-1-Benzopyran-4-one, 7-decyl-3-methoxy-2-(2,3,4-trimethoxyphenyl)- which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 2 steps
1.1: lithium hexamethyldisilazane / tetrahydrofuran / 1 h / -20 °C / Inert atmosphere
1.2: -20 °C / Inert atmosphere
2.1: trimethylsilyl trifluoromethanesulfonate / dichloromethane / 1 h / 20 °C / Inert atmosphere
With
trimethylsilyl trifluoromethanesulfonate; lithium hexamethyldisilazane;
In
tetrahydrofuran; dichloromethane;
1.1: Baker-Venkataraman rearrangement;
DOI:10.1139/v11-087
- Guidance literature:
-
Multi-step reaction with 3 steps
1.1: dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 24 h / 20 °C / Inert atmosphere
2.1: lithium hexamethyldisilazane / tetrahydrofuran / 1 h / -20 °C / Inert atmosphere
2.2: -20 °C / Inert atmosphere
3.1: trimethylsilyl trifluoromethanesulfonate / dichloromethane / 1 h / 20 °C / Inert atmosphere
With
dmap; trimethylsilyl trifluoromethanesulfonate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; lithium hexamethyldisilazane;
In
tetrahydrofuran; dichloromethane;
2.1: Baker-Venkataraman rearrangement;
DOI:10.1139/v11-087
- Guidance literature:
-
7-decyl-3,2',3',4'-tetramethoxyflavone;
With
boron tribromide;
In
dichloromethane;
at 20 ℃;
Inert atmosphere;
With
methanol;
In
dichloromethane;
at 20 ℃;
Inert atmosphere;
Reflux;
DOI:10.1139/v11-087
