Technology Process of 1H-Pyrazole-3-carboxamide, N-[(4R)-6-(4-chlorophenyl)-7-(2,4-dichlorophenyl)-3,4-dihydro-2,2-dimethyl-2H-pyrano[2,3-b]pyridin-4-yl]-5-methyl-
There total 7 articles about 1H-Pyrazole-3-carboxamide, N-[(4R)-6-(4-chlorophenyl)-7-(2,4-dichlorophenyl)-3,4-dihydro-2,2-dimethyl-2H-pyrano[2,3-b]pyridin-4-yl]-5-methyl- which
guide to synthetic route it.
The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:
synthetic route:
- Guidance literature:
-
With
benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; triethylamine;
In
dichloromethane;
at 20 ℃;
for 16h;
DOI:10.1021/jm100023j
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: tetrahydrofuran; toluene / 0.05 h
1.2: 0.33 h / 50 °C
2.1: (S,S) catalyst described by Noyori in Angew. Chem. Int. Ed. Engl. 1997, 36, 285 / dichloromethane; isopropyl alcohol / 16 h / 20 °C
3.1: 1H-imidazole; di-isopropyl azodicarboxylate; triphenylphosphine / dichloromethane / 16 h / 20 °C
4.1: trimethylphosphane / tetrahydrofuran; water / 3 h / 20 °C
5.1: benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; triethylamine / dichloromethane / 16 h / 20 °C
With
1H-imidazole; di-isopropyl azodicarboxylate; benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; triethylamine; triphenylphosphine; trimethylphosphane;
(S,S) catalyst described by Noyori in Angew. Chem. Int. Ed. Engl. 1997, 36, 285;
In
tetrahydrofuran; dichloromethane; water; isopropyl alcohol; toluene;
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: methanol; sodium hydride / N,N-dimethyl-formamide / 2.5 h / 20 - 95 °C
2.1: tetrahydrofuran; toluene / 0.05 h
2.2: 0.33 h / 50 °C
3.1: (S,S) catalyst described by Noyori in Angew. Chem. Int. Ed. Engl. 1997, 36, 285 / dichloromethane; isopropyl alcohol / 16 h / 20 °C
4.1: 1H-imidazole; di-isopropyl azodicarboxylate; triphenylphosphine / dichloromethane / 16 h / 20 °C
5.1: trimethylphosphane / tetrahydrofuran; water / 3 h / 20 °C
6.1: benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; triethylamine / dichloromethane / 16 h / 20 °C
With
1H-imidazole; methanol; di-isopropyl azodicarboxylate; benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; sodium hydride; triethylamine; triphenylphosphine; trimethylphosphane;
(S,S) catalyst described by Noyori in Angew. Chem. Int. Ed. Engl. 1997, 36, 285;
In
tetrahydrofuran; dichloromethane; water; N,N-dimethyl-formamide; isopropyl alcohol; toluene;