Technology Process of (4S)-4-{4-cyano-2-(methylsulfinyl)phenyl}-6-methyl-2-oxo-1-[3-(trifluoromethyl)phenyl]-1,2,3,4-tetrahydropyrimidine-5-carbonitrile
There total 9 articles about (4S)-4-{4-cyano-2-(methylsulfinyl)phenyl}-6-methyl-2-oxo-1-[3-(trifluoromethyl)phenyl]-1,2,3,4-tetrahydropyrimidine-5-carbonitrile which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
sodium periodate;
In
methanol; water;
at 30 - 50 ℃;
for 20h;
DOI:10.1002/cmdc.201500131
- Guidance literature:
-
Multi-step reaction with 9 steps
1: N,N-dimethyl-formamide / Reflux; Inert atmosphere
2: sodium periodate / water; tetrahydrofuran / 1 h / 20 °C / Inert atmosphere
3: dimethyl sulfoxide / 0.75 h / Cooling with ice
4: triethyl phosphate; phosphorus pentoxide / tert-butyl methyl ether / Inert atmosphere; Reflux
5: morpholine; tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran / 3 h / 20 °C / Inert atmosphere
6: chiral silica gel phase based on the selector poly(N-methacryloyl-D-leucine-dicyclopropylmethylamide) / methanol; ethyl acetate / 25 °C / Resolution of racemate
7: benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; ammonium chloride; triethylamine / tetrahydrofuran / 0 - 20 °C / Inert atmosphere
8: Burgess Reagent / tetrahydrofuran / 0.5 h / 20 °C / Inert atmosphere
9: sodium periodate / methanol; water / 20 h / 30 - 50 °C
With
morpholine; sodium periodate; tetrakis(triphenylphosphine) palladium(0); Burgess Reagent; triethyl phosphate; phosphorus pentoxide; benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; ammonium chloride; triethylamine;
In
tetrahydrofuran; methanol; tert-butyl methyl ether; water; dimethyl sulfoxide; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1002/cmdc.201500131
- Guidance literature:
-
Multi-step reaction with 8 steps
1: sodium periodate / water; tetrahydrofuran / 1 h / 20 °C / Inert atmosphere
2: dimethyl sulfoxide / 0.75 h / Cooling with ice
3: triethyl phosphate; phosphorus pentoxide / tert-butyl methyl ether / Inert atmosphere; Reflux
4: morpholine; tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran / 3 h / 20 °C / Inert atmosphere
5: chiral silica gel phase based on the selector poly(N-methacryloyl-D-leucine-dicyclopropylmethylamide) / methanol; ethyl acetate / 25 °C / Resolution of racemate
6: benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; ammonium chloride; triethylamine / tetrahydrofuran / 0 - 20 °C / Inert atmosphere
7: Burgess Reagent / tetrahydrofuran / 0.5 h / 20 °C / Inert atmosphere
8: sodium periodate / methanol; water / 20 h / 30 - 50 °C
With
morpholine; sodium periodate; tetrakis(triphenylphosphine) palladium(0); Burgess Reagent; triethyl phosphate; phosphorus pentoxide; benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; ammonium chloride; triethylamine;
In
tetrahydrofuran; methanol; tert-butyl methyl ether; water; dimethyl sulfoxide; ethyl acetate;
DOI:10.1002/cmdc.201500131