Technology Process of (3S,3aS,4R)-2-(3-chloro-4-cyano-2-methylphenyl)-3-(tetrahydro-2H-pyran-2-yloxy)-3a,4,5,6-tetrahydro-3H-pyrrolo[1,2-b]pyrazol-4-yl benzoate
There total 18 articles about (3S,3aS,4R)-2-(3-chloro-4-cyano-2-methylphenyl)-3-(tetrahydro-2H-pyran-2-yloxy)-3a,4,5,6-tetrahydro-3H-pyrrolo[1,2-b]pyrazol-4-yl benzoate 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
di-isopropyl azodicarboxylate; triphenylphosphine;
In
tetrahydrofuran;
at 20 ℃;
for 3h;
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: copper(l) iodide; tert.-butylnitrite / acetonitrile / 3 h / Inert atmosphere; Heating
2.1: isopropylmagnesium chloride / tetrahydrofuran; diethyl ether / 2 h / 0 °C / Inert atmosphere
2.2: 2 h / 0 °C / Inert atmosphere
3.1: acetic acid / 3 h / 20 °C
4.1: oxalyl dichloride; dimethyl sulfoxide; triethylamine / dichloromethane / 2 h / -78 - -30 °C
5.1: boron trifluoride diethyl etherate / dichloromethane / 3 h / 0 - 20 °C
6.1: pyridinium p-toluenesulfonate / dichloromethane / 16 h / 20 °C
7.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 3 h / 0 - 20 °C
8.1: di-isopropyl azodicarboxylate; triphenylphosphine / tetrahydrofuran / 3 h / 20 °C
With
copper(l) iodide; tert.-butylnitrite; oxalyl dichloride; di-isopropyl azodicarboxylate; boron trifluoride diethyl etherate; tetrabutyl ammonium fluoride; isopropylmagnesium chloride; pyridinium p-toluenesulfonate; acetic acid; dimethyl sulfoxide; triethylamine; triphenylphosphine;
In
tetrahydrofuran; diethyl ether; dichloromethane; acetonitrile;
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: hydrogenchloride; water / ethanol / Reflux
2.1: copper(l) iodide; tert.-butylnitrite / acetonitrile / 3 h / Inert atmosphere; Heating
3.1: isopropylmagnesium chloride / tetrahydrofuran; diethyl ether / 2 h / 0 °C / Inert atmosphere
3.2: 2 h / 0 °C / Inert atmosphere
4.1: acetic acid / 3 h / 20 °C
5.1: oxalyl dichloride; dimethyl sulfoxide; triethylamine / dichloromethane / 2 h / -78 - -30 °C
6.1: boron trifluoride diethyl etherate / dichloromethane / 3 h / 0 - 20 °C
7.1: pyridinium p-toluenesulfonate / dichloromethane / 16 h / 20 °C
8.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 3 h / 0 - 20 °C
9.1: di-isopropyl azodicarboxylate; triphenylphosphine / tetrahydrofuran / 3 h / 20 °C
With
hydrogenchloride; copper(l) iodide; tert.-butylnitrite; oxalyl dichloride; di-isopropyl azodicarboxylate; boron trifluoride diethyl etherate; tetrabutyl ammonium fluoride; water; isopropylmagnesium chloride; pyridinium p-toluenesulfonate; acetic acid; dimethyl sulfoxide; triethylamine; triphenylphosphine;
In
tetrahydrofuran; diethyl ether; ethanol; dichloromethane; acetonitrile;