Technology Process of (S)-2'-(cyclohexylmethoxy)-7'-(pyrimidin-5-yl)-5H-spiro[oxazole-4,9'-xanthen]-2-amine
There total 11 articles about (S)-2'-(cyclohexylmethoxy)-7'-(pyrimidin-5-yl)-5H-spiro[oxazole-4,9'-xanthen]-2-amine which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
(S)-2-amino-7'-(pyrimidin-5-yl)-5H-spiro[oxazole-4,9'-xanthen]-2'-ol;
With
caesium carbonate; potassium iodide;
In
N,N-dimethyl-formamide;
for 0.166667h;
Sonication;
Cyclohexylmethyl bromide;
In
N,N-dimethyl-formamide;
at 20 - 60 ℃;
DOI:10.1021/jm501266w
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: caesium carbonate; copper(I) trifluoromethanesulfonate toluene adduct (1/1) / toluene; ethyl acetate / 16.08 h / 20 - 110 °C
2.1: sulfuric acid / 1.5 h / 60 °C
3.1: tetrahydrofuran; diethyl ether / 1.33 h / 0 - 20 °C
4.1: pyridinium p-toluenesulfonate / dichloromethane / 2 h / Reflux
5.1: iodine / tetrahydrofuran / 1 h / -20 - -15 °C
5.2: 1.67 h / 0 °C
6.1: diethylamine; carbon dioxide / isopropyl alcohol / Resolution of racemate
7.1: boron tribromide / dichloromethane / 1 h / 0 - 10 °C
8.1: tetrakis(triphenylphosphine) palladium(0); potassium carbonate / tetrahydrofuran / 3 h / 100 °C / Sealed tube; Inert atmosphere
9.1: potassium iodide; caesium carbonate / N,N-dimethyl-formamide / 0.17 h / Sonication
9.2: 20 - 60 °C
With
tetrakis(triphenylphosphine) palladium(0); copper(I) trifluoromethanesulfonate toluene adduct (1/1); carbon dioxide; sulfuric acid; iodine; pyridinium p-toluenesulfonate; boron tribromide; potassium carbonate; caesium carbonate; diethylamine; potassium iodide;
In
tetrahydrofuran; diethyl ether; dichloromethane; ethyl acetate; N,N-dimethyl-formamide; isopropyl alcohol; toluene;
DOI:10.1021/jm501266w
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: sulfuric acid / 1.5 h / 60 °C
2.1: tetrahydrofuran; diethyl ether / 1.33 h / 0 - 20 °C
3.1: pyridinium p-toluenesulfonate / dichloromethane / 2 h / Reflux
4.1: iodine / tetrahydrofuran / 1 h / -20 - -15 °C
4.2: 1.67 h / 0 °C
5.1: diethylamine; carbon dioxide / isopropyl alcohol / Resolution of racemate
6.1: boron tribromide / dichloromethane / 1 h / 0 - 10 °C
7.1: tetrakis(triphenylphosphine) palladium(0); potassium carbonate / tetrahydrofuran / 3 h / 100 °C / Sealed tube; Inert atmosphere
8.1: potassium iodide; caesium carbonate / N,N-dimethyl-formamide / 0.17 h / Sonication
8.2: 20 - 60 °C
With
tetrakis(triphenylphosphine) palladium(0); carbon dioxide; sulfuric acid; iodine; pyridinium p-toluenesulfonate; boron tribromide; potassium carbonate; caesium carbonate; diethylamine; potassium iodide;
In
tetrahydrofuran; diethyl ether; dichloromethane; N,N-dimethyl-formamide; isopropyl alcohol;
DOI:10.1021/jm501266w