Technology Process of 2-[2-(4-chloro-phenyl)-5-methyl-thiazol-4-yl]-4-(5-fluoro-pyridin-2-ylmethyl)cyclopentane-1,3-dione
There total 8 articles about 2-[2-(4-chloro-phenyl)-5-methyl-thiazol-4-yl]-4-(5-fluoro-pyridin-2-ylmethyl)cyclopentane-1,3-dione which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
acetic acid; zinc;
at 80 ℃;
for 17h;
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: magnesium carbonate hexahydrate / 1,2-dimethoxyethane / 3 h / 60 °C / Inert atmosphere
2.1: sodium tetrahydroborate / methanol / 0 - 20 °C / Inert atmosphere
2.2: 0.08 h
3.1: di-isopropyl azodicarboxylate; triphenylphosphine / tetrahydrofuran / 0 - 20 °C / Inert atmosphere
4.1: 1-butyl-3-methylimidazolium trifluoromethanesulfonimide / 1,2-dimethoxyethane / 0.5 h / 230 °C / microwave irradiation
5.1: potassium carbonate / acetone / 6 h / 40 °C
6.1: lithium diisopropyl amide / tetrahydrofuran; n-heptane; ethylbenzene / 0.58 h / -78 °C / Inert atmosphere
6.2: -78 - 20 °C
7.1: hydrogenchloride; water / acetone / 1.5 h / 130 °C / microwave irradiation
8.1: acetic acid; zinc / 17 h / 80 °C
With
hydrogenchloride; sodium tetrahydroborate; magnesium carbonate hexahydrate; di-isopropyl azodicarboxylate; water; potassium carbonate; acetic acid; triphenylphosphine; 1-butyl-3-methylimidazolium trifluoromethanesulfonimide; zinc; lithium diisopropyl amide;
In
tetrahydrofuran; methanol; 1,2-dimethoxyethane; n-heptane; ethylbenzene; acetone;
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: sodium tetrahydroborate / methanol / 0 - 20 °C / Inert atmosphere
1.2: 0.08 h
2.1: di-isopropyl azodicarboxylate; triphenylphosphine / tetrahydrofuran / 0 - 20 °C / Inert atmosphere
3.1: 1-butyl-3-methylimidazolium trifluoromethanesulfonimide / 1,2-dimethoxyethane / 0.5 h / 230 °C / microwave irradiation
4.1: potassium carbonate / acetone / 6 h / 40 °C
5.1: lithium diisopropyl amide / tetrahydrofuran; n-heptane; ethylbenzene / 0.58 h / -78 °C / Inert atmosphere
5.2: -78 - 20 °C
6.1: hydrogenchloride; water / acetone / 1.5 h / 130 °C / microwave irradiation
7.1: acetic acid; zinc / 17 h / 80 °C
With
hydrogenchloride; sodium tetrahydroborate; di-isopropyl azodicarboxylate; water; potassium carbonate; acetic acid; triphenylphosphine; 1-butyl-3-methylimidazolium trifluoromethanesulfonimide; zinc; lithium diisopropyl amide;
In
tetrahydrofuran; methanol; 1,2-dimethoxyethane; n-heptane; ethylbenzene; acetone;