Technology Process of 4-(4-bromothiazolo[5,4-c]pyridin-2-yl)-3-chloro-5-fluorobenzonitrile
There total 10 articles about 4-(4-bromothiazolo[5,4-c]pyridin-2-yl)-3-chloro-5-fluorobenzonitrile which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
trimethylsilyl bromide;
In
propiononitrile;
for 21h;
Reflux;
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: lithium diisopropyl amide / n-heptane; tetrahydrofuran; ethylbenzene / 4.67 h / -70 °C
1.2: 2 h / -70 - 20 °C
2.1: caesium carbonate / 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; tris-(dibenzylideneacetone)dipalladium(0) / 1,4-dioxane / 4 h / Inert atmosphere; Reflux
3.1: thionyl chloride / 65 h / Reflux
4.1: thiourea; pyridine / isopropyl alcohol / 3 h / Reflux
4.2: 3 h / 20 °C / Reflux
5.1: trimethylsilyl bromide / propiononitrile / 21 h / Reflux
With
pyridine; thionyl chloride; trimethylsilyl bromide; caesium carbonate; thiourea; lithium diisopropyl amide;
tris-(dibenzylideneacetone)dipalladium(0); 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene;
In
tetrahydrofuran; 1,4-dioxane; n-heptane; ethylbenzene; isopropyl alcohol; propiononitrile;
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: caesium carbonate / 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; tris-(dibenzylideneacetone)dipalladium(0) / 1,4-dioxane / 4 h / Inert atmosphere; Reflux
2.1: thionyl chloride / 65 h / Reflux
3.1: thiourea; pyridine / isopropyl alcohol / 3 h / Reflux
3.2: 3 h / 20 °C / Reflux
4.1: trimethylsilyl bromide / propiononitrile / 21 h / Reflux
With
pyridine; thionyl chloride; trimethylsilyl bromide; caesium carbonate; thiourea;
tris-(dibenzylideneacetone)dipalladium(0); 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene;
In
1,4-dioxane; isopropyl alcohol; propiononitrile;