Technology Process of (4S)-4-[4-Cyano-2-(methylsulfonyl)phenyl]-6-methyl-2-oxo-1,3-bis[3-(trifluoromethyl)phenyl]-1,2,3,4-tetrahydropyrimidine-5-carbonitrile
There total 8 articles about (4S)-4-[4-Cyano-2-(methylsulfonyl)phenyl]-6-methyl-2-oxo-1,3-bis[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
pyridine; copper diacetate; triethylamine;
In
dichloromethane;
at 20 ℃;
for 20h;
Inert atmosphere;
Molecular sieve;
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: N,N-dimethyl-formamide dimethyl acetal / N,N-dimethyl-formamide / Inert atmosphere; Reflux
1.2: 1 h / 20 °C
2.1: dimethyl sulfoxide / Cooling with ice
3.1: phosphorus pentoxide; triethyl phosphate / tert-butyl methyl ether / 50 °C / Inert atmosphere; Reflux
4.1: chiral silica gel phase based on the selector poly(N-methacryloyl-D-leucinedicyclopropylmethylamide) / ethyl acetate; isopropyl alcohol; tetrahydrofuran; 2-Methylpentane / 24 °C / Resolution of racemate
5.1: morpholine / tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran / 1.5 h / 20 °C / Inert atmosphere
6.1: HATU / N,N-dimethyl-formamide / 0.33 h / 0 °C / Inert atmosphere
6.2: 4 h / 20 °C
7.1: Burgess Reagent / tetrahydrofuran / 1.5 h / 20 °C / Inert atmosphere
8.1: triethylamine; pyridine; copper diacetate / dichloromethane / 20 h / 20 °C / Inert atmosphere; Molecular sieve
With
morpholine; pyridine; Burgess Reagent; triethyl phosphate; phosphorus pentoxide; copper diacetate; N,N-dimethyl-formamide dimethyl acetal; triethylamine; HATU;
tetrakis(triphenylphosphine) palladium(0);
In
tetrahydrofuran; 2-Methylpentane; dichloromethane; tert-butyl methyl ether; dimethyl sulfoxide; ethyl acetate; N,N-dimethyl-formamide; isopropyl alcohol;
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: dimethyl sulfoxide / Cooling with ice
2.1: phosphorus pentoxide; triethyl phosphate / tert-butyl methyl ether / 50 °C / Inert atmosphere; Reflux
3.1: chiral silica gel phase based on the selector poly(N-methacryloyl-D-leucinedicyclopropylmethylamide) / ethyl acetate; isopropyl alcohol; tetrahydrofuran; 2-Methylpentane / 24 °C / Resolution of racemate
4.1: morpholine / tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran / 1.5 h / 20 °C / Inert atmosphere
5.1: HATU / N,N-dimethyl-formamide / 0.33 h / 0 °C / Inert atmosphere
5.2: 4 h / 20 °C
6.1: Burgess Reagent / tetrahydrofuran / 1.5 h / 20 °C / Inert atmosphere
7.1: triethylamine; pyridine; copper diacetate / dichloromethane / 20 h / 20 °C / Inert atmosphere; Molecular sieve
With
morpholine; pyridine; Burgess Reagent; triethyl phosphate; phosphorus pentoxide; copper diacetate; triethylamine; HATU;
tetrakis(triphenylphosphine) palladium(0);
In
tetrahydrofuran; 2-Methylpentane; dichloromethane; tert-butyl methyl ether; dimethyl sulfoxide; ethyl acetate; N,N-dimethyl-formamide; isopropyl alcohol;