Technology Process of (R)-2-{4-[3-(3-cyano-phenyl)-ureido]-3-fluoro-phenyl}-morpholine-4-carboxylic acid tert-butyl ester
There total 8 articles about (R)-2-{4-[3-(3-cyano-phenyl)-ureido]-3-fluoro-phenyl}-morpholine-4-carboxylic acid tert-butyl ester which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
bis(trichloromethyl) carbonate; (+)-(R)-2-(4-amino-3-fluorophenyl)-morpholine-4-carboxylic acid tert-butyl ester;
With
sodium carbonate;
In
dichloromethane; water;
at 20 ℃;
for 2.5h;
m-cyanoaniline;
In
dichloromethane; water;
at 20 ℃;
for 2h;
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: ethanol; sodium tetrahydroborate / 1.08 h / 5 - 20 °C
1.2: 20 - 40 °C
2.1: tetrahydrofuran / 20 °C
3.1: dichloromethane / 20 °C
4.1: triethylamine; methanesulfonyl chloride / tetrahydrofuran / 0.5 h / 0 - 20 °C
4.2: 1 h / 0 - 20 °C
5.1: sodium t-butanolate / tris-(dibenzylideneacetone)dipalladium(0); (R)-2,2'-bis(diphenylphosphanyl)-1,1'-binaphthyl / toluene / 1 h / 100 °C / Inert atmosphere
6.1: ammonium formate / palladium 10% on activated carbon / methanol / 1 h / 60 °C / Inert atmosphere
7.1: Chiralpak AD / isopropyl alcohol; n-heptane / 13501.4 Torr / Resolution of racemate
8.1: sodium carbonate / dichloromethane; water / 2.5 h / 20 °C
8.2: 2 h / 20 °C
With
sodium tetrahydroborate; ethanol; ammonium formate; sodium carbonate; methanesulfonyl chloride; triethylamine; sodium t-butanolate;
tris-(dibenzylideneacetone)dipalladium(0); palladium 10% on activated carbon; (R)-2,2'-bis(diphenylphosphanyl)-1,1'-binaphthyl;
In
tetrahydrofuran; methanol; n-heptane; dichloromethane; water; isopropyl alcohol; toluene;
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: diethyl ether; acetonitrile; tetrahydrofuran / 0.5 h / 0 - 20 °C
1.2: 0.5 h / 0 - 20 °C
2.1: ethanol; sodium tetrahydroborate / 1.08 h / 5 - 20 °C
2.2: 20 - 40 °C
3.1: tetrahydrofuran / 20 °C
4.1: dichloromethane / 20 °C
5.1: triethylamine; methanesulfonyl chloride / tetrahydrofuran / 0.5 h / 0 - 20 °C
5.2: 1 h / 0 - 20 °C
6.1: sodium t-butanolate / tris-(dibenzylideneacetone)dipalladium(0); (R)-2,2'-bis(diphenylphosphanyl)-1,1'-binaphthyl / toluene / 1 h / 100 °C / Inert atmosphere
7.1: ammonium formate / palladium 10% on activated carbon / methanol / 1 h / 60 °C / Inert atmosphere
8.1: Chiralpak AD / isopropyl alcohol; n-heptane / 13501.4 Torr / Resolution of racemate
9.1: sodium carbonate / dichloromethane; water / 2.5 h / 20 °C
9.2: 2 h / 20 °C
With
sodium tetrahydroborate; ethanol; ammonium formate; sodium carbonate; methanesulfonyl chloride; triethylamine; sodium t-butanolate;
tris-(dibenzylideneacetone)dipalladium(0); palladium 10% on activated carbon; (R)-2,2'-bis(diphenylphosphanyl)-1,1'-binaphthyl;
In
tetrahydrofuran; methanol; diethyl ether; n-heptane; dichloromethane; water; isopropyl alcohol; toluene; acetonitrile;