Technology Process of N-[3-[2-(6-ethoxy-3-imino-[1,2,4]triazolo[4,3-b]pyridazin-2-yl)acetyl]-5-(pentafluorosulfanyl)phenyl]acetamide trifluoroacetate
There total 10 articles about N-[3-[2-(6-ethoxy-3-imino-[1,2,4]triazolo[4,3-b]pyridazin-2-yl)acetyl]-5-(pentafluorosulfanyl)phenyl]acetamide trifluoroacetate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
6-Ethoxy-[1,2,4]triazolo[4,3-b]-pyridazin-3-ylamine; N-[3-(2-bromoacetyl)-5-(pentafluorosulfanyl)phenyl]acetamide;
In
N,N-dimethyl-formamide;
at 20 ℃;
Inert atmosphere;
trifluoroacetic acid;
In
water; acetonitrile;
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: nitric acid; sulfuric acid / 75 °C / Inert atmosphere
2.1: thionyl chloride / 10 h / Inert atmosphere; Reflux
3.1: N,N-diethyl-N-isopropylamine / dichloromethane / 1 h / 20 °C / Inert atmosphere
4.1: hydrogen / Raney nickel / methanol / 5 h / Inert atmosphere
5.1: triethylamine / dichloromethane / 3 h / 20 °C / Inert atmosphere
6.1: lithium hexamethyldisilazane / tert-butyl methyl ether; tetrahydrofuran / 0.5 h / 0 °C / Inert atmosphere
6.2: 5 h / 0 - 20 °C
6.3: Cooling with ice
7.1: phenyltrimethylammonium tribromide / tetrahydrofuran; methanol / 5 h / 20 - 40 °C / Inert atmosphere
8.1: N,N-dimethyl-formamide / 20 °C / Inert atmosphere
With
thionyl chloride; N,N-diethyl-N-isopropylamine; sulfuric acid; hydrogen; nitric acid; phenyltrimethylammonium tribromide; triethylamine; lithium hexamethyldisilazane;
Raney nickel;
In
tetrahydrofuran; methanol; dichloromethane; tert-butyl methyl ether; N,N-dimethyl-formamide;
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: thionyl chloride / 10 h / Inert atmosphere; Reflux
2.1: N,N-diethyl-N-isopropylamine / dichloromethane / 1 h / 20 °C / Inert atmosphere
3.1: hydrogen / Raney nickel / methanol / 5 h / Inert atmosphere
4.1: triethylamine / dichloromethane / 3 h / 20 °C / Inert atmosphere
5.1: lithium hexamethyldisilazane / tert-butyl methyl ether; tetrahydrofuran / 0.5 h / 0 °C / Inert atmosphere
5.2: 5 h / 0 - 20 °C
5.3: Cooling with ice
6.1: phenyltrimethylammonium tribromide / tetrahydrofuran; methanol / 5 h / 20 - 40 °C / Inert atmosphere
7.1: N,N-dimethyl-formamide / 20 °C / Inert atmosphere
With
thionyl chloride; N,N-diethyl-N-isopropylamine; hydrogen; phenyltrimethylammonium tribromide; triethylamine; lithium hexamethyldisilazane;
Raney nickel;
In
tetrahydrofuran; methanol; dichloromethane; tert-butyl methyl ether; N,N-dimethyl-formamide;