Technology Process of 2-benzo[1,3]dioxol-5-yl-6-isopropyl-4-(4-methoxy-phenyl)-2H-chromene-3-carboxylic acid methyl ester
There total 5 articles about 2-benzo[1,3]dioxol-5-yl-6-isopropyl-4-(4-methoxy-phenyl)-2H-chromene-3-carboxylic acid methyl ester which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: aq. NaClO2; NH2SO3H / CH2Cl2 / 0.5 h / 0 °C
2.1: (COCl)2; DMF / CH2Cl2 / 1 h / 20 °C
3.1: CH2Cl2 / 0.25 h
4.1: CuI / tetrahydrofuran / 0.25 h / 20 °C
4.2: tetrahydrofuran / 1 h / 0 °C
5.1: NaH / dimethylformamide / 1 h / 0 °C
5.2: dimethylformamide / 3 h / 0 °C
6.1: Pd(Ph3P)4; aq. Na2CO3; LiCl / 1,2-dimethoxy-ethane / 3 h / Heating
With
sodium chlorite; copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); oxalyl dichloride; aminosulfonic acid; sodium hydride; sodium carbonate; N,N-dimethyl-formamide; lithium chloride;
In
tetrahydrofuran; 1,2-dimethoxyethane; dichloromethane; N,N-dimethyl-formamide;
6.1: Suzuki coupling;
DOI:10.1021/jm010382z
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: CH2Cl2 / 0.25 h
2.1: CuI / tetrahydrofuran / 0.25 h / 20 °C
2.2: tetrahydrofuran / 1 h / 0 °C
3.1: NaH / dimethylformamide / 1 h / 0 °C
3.2: dimethylformamide / 3 h / 0 °C
4.1: Pd(Ph3P)4; aq. Na2CO3; LiCl / 1,2-dimethoxy-ethane / 3 h / Heating
With
copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); sodium hydride; sodium carbonate; lithium chloride;
In
tetrahydrofuran; 1,2-dimethoxyethane; dichloromethane; N,N-dimethyl-formamide;
4.1: Suzuki coupling;
DOI:10.1021/jm010382z
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: (COCl)2; DMF / CH2Cl2 / 1 h / 20 °C
2.1: CH2Cl2 / 0.25 h
3.1: CuI / tetrahydrofuran / 0.25 h / 20 °C
3.2: tetrahydrofuran / 1 h / 0 °C
4.1: NaH / dimethylformamide / 1 h / 0 °C
4.2: dimethylformamide / 3 h / 0 °C
5.1: Pd(Ph3P)4; aq. Na2CO3; LiCl / 1,2-dimethoxy-ethane / 3 h / Heating
With
copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); oxalyl dichloride; sodium hydride; sodium carbonate; N,N-dimethyl-formamide; lithium chloride;
In
tetrahydrofuran; 1,2-dimethoxyethane; dichloromethane; N,N-dimethyl-formamide;
5.1: Suzuki coupling;
DOI:10.1021/jm010382z