Technology Process of 4-(3-bromo-benzenesulfinyl)-5-chloro-thiophene-2-carbonitrile
There total 3 articles about 4-(3-bromo-benzenesulfinyl)-5-chloro-thiophene-2-carbonitrile 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:
-
4-bromo-5-chloro-thiophene-2-carbonitrile;
With
isopropylmagnesium chloride;
In
tetrahydrofuran;
at -78 ℃;
for 1.5h;
methyl 3-bromobenzenesulfinate;
In
tetrahydrofuran;
at -78 - 20 ℃;
- Guidance literature:
-
Multi-step reaction with 3 steps
1.1: pyridinium chlorochromate / dichloromethane / 1 h / 0 - 20 °C
2.1: bromine; sodium carbonate / 20 °C
3.1: isopropylmagnesium chloride / tetrahydrofuran / 1.5 h / -78 °C
3.2: -78 - 20 °C
With
bromine; isopropylmagnesium chloride; sodium carbonate; pyridinium chlorochromate;
In
tetrahydrofuran; dichloromethane;
- Guidance literature:
-
Multi-step reaction with 2 steps
1.1: bromine; sodium carbonate / 20 °C
2.1: isopropylmagnesium chloride / tetrahydrofuran / 1.5 h / -78 °C
2.2: -78 - 20 °C
With
bromine; isopropylmagnesium chloride; sodium carbonate;
In
tetrahydrofuran;
