Technology Process of methyl 6-({[(1,1-dimethylethyl)oxy]carbonyl}amino)-2,3-difluorobenzoate
There total 1 articles about methyl 6-({[(1,1-dimethylethyl)oxy]carbonyl}amino)-2,3-difluorobenzoate 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:
-
(3,4-difluorophenyl)-carbamic acid-tert-butyl ester;
With
tert.-butyl lithium;
In
tetrahydrofuran; pentane;
at -78 ℃;
for 3h;
methyl chloroformate;
In
tetrahydrofuran; pentane;
at -78 ℃;
for 0.75h;
With
water; ammonium chloride;
In
tetrahydrofuran; pentane;
at -78 ℃;
- Guidance literature:
-
methyl 6-({[(1,1-dimethylethyl)oxy]carbonyl}amino)-2,3-difluorobenzoate;
With
trifluoroacetic acid;
In
dichloromethane;
at 20 ℃;
With
lithium hydroxide; water;
In
tetrahydrofuran;
at 20 ℃;
With
hydrogenchloride;
In
tetrahydrofuran; water; ethyl acetate;
at 20 ℃;
pH=7;