Technology Process of 8-[2-[bis-(4-methoxybenzyl)amino]-3-chloro-5-(2-ethyl-1,1-dioxo-2,3-dihydro-1H-benzo[d]isothiazol-5-yl)pyridin-4-yl]-2,8-diazaspiro[4.5]decan-1-one
There total 12 articles about 8-[2-[bis-(4-methoxybenzyl)amino]-3-chloro-5-(2-ethyl-1,1-dioxo-2,3-dihydro-1H-benzo[d]isothiazol-5-yl)pyridin-4-yl]-2,8-diazaspiro[4.5]decan-1-one which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; sodium carbonate;
In
acetonitrile;
at 120 ℃;
for 1h;
Microwave irradiation;
- Guidance literature:
-
Multi-step reaction with 2 steps
1: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / tetrahydrofuran / 16 h / 70 °C
2: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; sodium carbonate / acetonitrile / 1 h / 120 °C / Microwave irradiation
With
dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; sodium carbonate;
In
tetrahydrofuran; acetonitrile;
- Guidance literature:
-
Multi-step reaction with 8 steps
1: chlorosulfonic acid / dichloromethane / 6 h / -20 - 20 °C / Inert atmosphere
2: triethylamine / dichloromethane / 15.33 h / 20 °C
3: 2,2'-azobis(isobutyronitrile); N-Bromosuccinimide / chloroform / 16 h / Reflux
4: sodium hydroxide / methanol / 3 h / 20 °C
5: trifluoroacetic acid / 16 h / 0.5 °C
6: potassium carbonate / N,N-dimethyl-formamide / 48 h / 20 °C
7: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / tetrahydrofuran / 16 h / 70 °C
8: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; sodium carbonate / acetonitrile / 1 h / 120 °C / Microwave irradiation
With
chlorosulfonic acid; N-Bromosuccinimide; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; 2,2'-azobis(isobutyronitrile); sodium carbonate; potassium carbonate; triethylamine; trifluoroacetic acid; sodium hydroxide;
In
tetrahydrofuran; methanol; dichloromethane; chloroform; N,N-dimethyl-formamide; acetonitrile;