Technology Process of (1R,2S,4R,12aR)-2-fluoro-7-hydroxy-6,8-dioxo-N-(2,4,6-trifluorobenzyl)-1,2,3,4,6,8,12,12a-octahydro-1,4-methanodipyrido[1,2-a:1',2'-d]pyrazine-9-carboxamide
There total 12 articles about (1R,2S,4R,12aR)-2-fluoro-7-hydroxy-6,8-dioxo-N-(2,4,6-trifluorobenzyl)-1,2,3,4,6,8,12,12a-octahydro-1,4-methanodipyrido[1,2-a:1',2'-d]pyrazine-9-carboxamide which
guide to synthetic route it.
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synthetic route:
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1616340-22-7
(1R,2S,4R,12aR)-2-fluoro-7-hydroxy-6,8-dioxo-N-(2,4,6-trifluorobenzyl)-1,2,3,4,6,8,12,12a-octahydro-1,4-methanodipyrido[1,2-a:1',2'-d]pyrazine-9-carboxamide
- Guidance literature:
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With
trifluoroacetic acid;
at 20 ℃;
for 0.166667h;
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1616340-22-7
(1R,2S,4R,12aR)-2-fluoro-7-hydroxy-6,8-dioxo-N-(2,4,6-trifluorobenzyl)-1,2,3,4,6,8,12,12a-octahydro-1,4-methanodipyrido[1,2-a:1',2'-d]pyrazine-9-carboxamide
- Guidance literature:
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Multi-step reaction with 9 steps
1.1: N-ethyl-N,N-diisopropylamine / tetrahydrofuran / 20 h
2.1: lithium borohydride / tetrahydrofuran / 18 h / 20 °C / Cooling with ice
3.1: phthalimide; triphenylphosphine; di-isopropyl azodicarboxylate / tetrahydrofuran / 20 h / 20 °C / Cooling with ice
3.2: 2 h / 70 °C
4.1: sodium hydrogencarbonate / ethanol; water / 20 h
5.1: hydrogenchloride / dichloromethane; 1,4-dioxane / 1.5 h
5.2: 0.58 h / 110 °C
6.1: potassium hydroxide; methanol / tetrahydrofuran / 0.5 h / 20 °C
7.1: N-ethyl-N,N-diisopropylamine; HATU / dichloromethane / 1.5 h
8.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0.5 h / 20 °C / Cooling with ice
8.2: 1 h / -78 - 20 °C
9.1: trifluoroacetic acid / 0.17 h / 20 °C
With
hydrogenchloride; methanol; lithium borohydride; phthalimide; di-isopropyl azodicarboxylate; tetrabutyl ammonium fluoride; sodium hydrogencarbonate; N-ethyl-N,N-diisopropylamine; triphenylphosphine; HATU; trifluoroacetic acid; potassium hydroxide;
In
tetrahydrofuran; 1,4-dioxane; ethanol; dichloromethane; water;
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1616340-22-7
(1R,2S,4R,12aR)-2-fluoro-7-hydroxy-6,8-dioxo-N-(2,4,6-trifluorobenzyl)-1,2,3,4,6,8,12,12a-octahydro-1,4-methanodipyrido[1,2-a:1',2'-d]pyrazine-9-carboxamide
- Guidance literature:
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Multi-step reaction with 11 steps
1.1: 1H-imidazole / N,N-dimethyl-formamide / 18 h
2.1: hydrogen; 10% palladium hydroxide on charcoal / ethanol; acetic acid / 40 h / 38002.6 Torr
3.1: N-ethyl-N,N-diisopropylamine / tetrahydrofuran / 20 h
4.1: lithium borohydride / tetrahydrofuran / 18 h / 20 °C / Cooling with ice
5.1: phthalimide; triphenylphosphine; di-isopropyl azodicarboxylate / tetrahydrofuran / 20 h / 20 °C / Cooling with ice
5.2: 2 h / 70 °C
6.1: sodium hydrogencarbonate / ethanol; water / 20 h
7.1: hydrogenchloride / dichloromethane; 1,4-dioxane / 1.5 h
7.2: 0.58 h / 110 °C
8.1: potassium hydroxide; methanol / tetrahydrofuran / 0.5 h / 20 °C
9.1: N-ethyl-N,N-diisopropylamine; HATU / dichloromethane / 1.5 h
10.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0.5 h / 20 °C / Cooling with ice
10.2: 1 h / -78 - 20 °C
11.1: trifluoroacetic acid / 0.17 h / 20 °C
With
1H-imidazole; hydrogenchloride; methanol; lithium borohydride; phthalimide; di-isopropyl azodicarboxylate; 10% palladium hydroxide on charcoal; tetrabutyl ammonium fluoride; hydrogen; sodium hydrogencarbonate; N-ethyl-N,N-diisopropylamine; triphenylphosphine; HATU; trifluoroacetic acid; potassium hydroxide;
In
tetrahydrofuran; 1,4-dioxane; ethanol; dichloromethane; water; acetic acid; N,N-dimethyl-formamide;