Technology Process of (4S)-4-{4-Cyano-2-[(1,3-thiazol-4-ylmethyl)sulfonyl]phenyl}-3,6-dimethyl-2-oxo-1-[3-(trifluoromethyl)phenyl]-1,2,3,4-tetrahydropyrimidine-5-carbonitrile
There total 10 articles about (4S)-4-{4-Cyano-2-[(1,3-thiazol-4-ylmethyl)sulfonyl]phenyl}-3,6-dimethyl-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
18-crown-6 ether; potassium carbonate; potassium iodide;
In
N,N-dimethyl-formamide;
at 100 - 110 ℃;
for 17h;
Molecular sieve;
Inert atmosphere;
sealed tube;
- Guidance literature:
-
Multi-step reaction with 10 steps
1.1: triethyl phosphate / tetrahydrofuran / 16 h / Inert atmosphere; Reflux
2.1: morpholine / tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran / 2 h / 20 °C / Inert atmosphere
3.1: chiral silica gel phase based on the selector poly(N-methacryloyl-L-leucine-tert-butylamide); column dimensions: 670 mm x 40 mm / ethyl acetate; methanol / 24 °C / Resolution of racemate
4.1: dmap; N-ethyl-N,N-diisopropylamine; benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate / tetrahydrofuran / 20 °C / Inert atmosphere
4.2: 1 h / 20 °C
5.1: methoxycarbonylsulfamoyl-triethylammmonium hydroxide / tetrahydrofuran / 2 h / 20 °C / Inert atmosphere
6.1: lithium hexamethyldisilazane / tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere
6.2: 16 h / -78 - 20 °C
7.1: hydrogen / palladium 10% on activated carbon / methanol / 5.5 h / 20 °C / 760.05 Torr / Inert atmosphere
8.1: hydrogenchloride; sodium nitrite; acetic acid / water / 0.67 h / -10 - -5 °C / Inert atmosphere
8.2: 1.5 h / -10 - 15 °C
9.1: sodium hydrogencarbonate; sodium sulfite / tetrahydrofuran / 1 h / 20 °C
10.1: potassium carbonate; potassium iodide; 18-crown-6 ether / N,N-dimethyl-formamide / 17 h / 100 - 110 °C / Molecular sieve; Inert atmosphere; sealed tube
With
morpholine; hydrogenchloride; dmap; methoxycarbonylsulfamoyl-triethylammmonium hydroxide; 18-crown-6 ether; triethyl phosphate; benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; hydrogen; sodium hydrogencarbonate; potassium carbonate; acetic acid; N-ethyl-N,N-diisopropylamine; potassium iodide; lithium hexamethyldisilazane; sodium sulfite; sodium nitrite;
tetrakis(triphenylphosphine) palladium(0); palladium 10% on activated carbon;
In
tetrahydrofuran; methanol; water; ethyl acetate; N,N-dimethyl-formamide;
- Guidance literature:
-
Multi-step reaction with 10 steps
1.1: triethyl phosphate / tetrahydrofuran / 16 h / Inert atmosphere; Reflux
2.1: morpholine / tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran / 2 h / 20 °C / Inert atmosphere
3.1: chiral silica gel phase based on the selector poly(N-methacryloyl-L-leucine-tert-butylamide); column dimensions: 670 mm x 40 mm / ethyl acetate; methanol / 24 °C / Resolution of racemate
4.1: dmap; N-ethyl-N,N-diisopropylamine; benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate / tetrahydrofuran / 20 °C / Inert atmosphere
4.2: 1 h / 20 °C
5.1: methoxycarbonylsulfamoyl-triethylammmonium hydroxide / tetrahydrofuran / 2 h / 20 °C / Inert atmosphere
6.1: lithium hexamethyldisilazane / tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere
6.2: 16 h / -78 - 20 °C
7.1: hydrogen / palladium 10% on activated carbon / methanol / 5.5 h / 20 °C / 760.05 Torr / Inert atmosphere
8.1: hydrogenchloride; sodium nitrite; acetic acid / water / 0.67 h / -10 - -5 °C / Inert atmosphere
8.2: 1.5 h / -10 - 15 °C
9.1: sodium hydrogencarbonate; sodium sulfite / tetrahydrofuran / 1 h / 20 °C
10.1: potassium carbonate; potassium iodide; 18-crown-6 ether / N,N-dimethyl-formamide / 17 h / 100 - 110 °C / Molecular sieve; Inert atmosphere; sealed tube
With
morpholine; hydrogenchloride; dmap; methoxycarbonylsulfamoyl-triethylammmonium hydroxide; 18-crown-6 ether; triethyl phosphate; benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; hydrogen; sodium hydrogencarbonate; potassium carbonate; acetic acid; N-ethyl-N,N-diisopropylamine; potassium iodide; lithium hexamethyldisilazane; sodium sulfite; sodium nitrite;
tetrakis(triphenylphosphine) palladium(0); palladium 10% on activated carbon;
In
tetrahydrofuran; methanol; water; ethyl acetate; N,N-dimethyl-formamide;