Technology Process of (2S)-2-amino-2-methyl-4-(3-(1-phenyl-5-(trifluoromethyl)-1H-pyrazol-4-yl)-4,5-dihydronaphtho[1,2-c]isoxazol-7-yl)butanoic acid
There total 8 articles about (2S)-2-amino-2-methyl-4-(3-(1-phenyl-5-(trifluoromethyl)-1H-pyrazol-4-yl)-4,5-dihydronaphtho[1,2-c]isoxazol-7-yl)butanoic acid which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
water; sodium hydroxide;
In
methanol;
at 20 - 60 ℃;
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: pyridine / 4 h / 0 - 20 °C
2.1: lithium chloride / tetrakis(triphenylphosphine) palladium(0) / 1,4-dioxane / 14 h / 100 °C / Inert atmosphere
3.1: hydroxylamine hydrochloride; sodium acetate / methanol / 1.5 h / 80 °C
4.1: lithium diisopropyl amide / tetrahydrofuran / 1 h / 0 °C / Inert atmosphere
4.2: 1.48 h / 0 °C / Cooling with ice
4.3: 0.5 h / 20 - 100 °C / Inert atmosphere
5.1: caesium carbonate / dimethyl sulfoxide / 0.5 h / 20 °C / Inert atmosphere
5.2: 5 h / 40 °C / Inert atmosphere
6.1: lithium hexamethyldisilazane / tetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere
7.1: hydrogenchloride / diethyl ether; water / 0.5 h / 20 °C
8.1: sodium hydroxide; water / methanol / 20 - 60 °C
With
pyridine; hydrogenchloride; hydroxylamine hydrochloride; water; sodium acetate; caesium carbonate; lithium chloride; sodium hydroxide; lithium hexamethyldisilazane; lithium diisopropyl amide;
tetrakis(triphenylphosphine) palladium(0);
In
tetrahydrofuran; 1,4-dioxane; methanol; diethyl ether; water; dimethyl sulfoxide;
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: lithium chloride / tetrakis(triphenylphosphine) palladium(0) / 1,4-dioxane / 14 h / 100 °C / Inert atmosphere
2.1: hydroxylamine hydrochloride; sodium acetate / methanol / 1.5 h / 80 °C
3.1: lithium diisopropyl amide / tetrahydrofuran / 1 h / 0 °C / Inert atmosphere
3.2: 1.48 h / 0 °C / Cooling with ice
3.3: 0.5 h / 20 - 100 °C / Inert atmosphere
4.1: caesium carbonate / dimethyl sulfoxide / 0.5 h / 20 °C / Inert atmosphere
4.2: 5 h / 40 °C / Inert atmosphere
5.1: lithium hexamethyldisilazane / tetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere
6.1: hydrogenchloride / diethyl ether; water / 0.5 h / 20 °C
7.1: sodium hydroxide; water / methanol / 20 - 60 °C
With
hydrogenchloride; hydroxylamine hydrochloride; water; sodium acetate; caesium carbonate; lithium chloride; sodium hydroxide; lithium hexamethyldisilazane; lithium diisopropyl amide;
tetrakis(triphenylphosphine) palladium(0);
In
tetrahydrofuran; 1,4-dioxane; methanol; diethyl ether; water; dimethyl sulfoxide;