Technology Process of benzo[b]thiophene-2,5-dicarboxylic acid 2-hydroxyamide 5-(2-methoxy-benzylamide)
There total 2 articles about benzo[b]thiophene-2,5-dicarboxylic acid 2-hydroxyamide 5-(2-methoxy-benzylamide) 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:
-
2-trityloxycarbamoyl-benzo[b]thiophene-5-carboxylic acid;
With
benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride;
In
dichloromethane;
at 20 ℃;
for 0.666667h;
2-methoxybenzylamine;
In
dichloromethane;
at 20 ℃;
With
triethylsilane; trifluoroacetic acid;
In
dichloromethane;
at 20 ℃;
for 0.333333h;
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: sodium periodate / tetrahydrofuran; water / 3 h / 20 °C
2.1: sodium sulfide; acetic acid / N,N-dimethyl-formamide / 1 h / 0 - 20 °C
2.2: 22 h / 55 °C
3.1: trifluoroacetic acid / dichloromethane / 96 h / 20 °C
4.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine / tetrahydrofuran / 168 h / 20 °C
5.1: sodium hydroxide / tetrahydrofuran; water / 144 h / 20 °C
5.2: pH 4
6.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 0.67 h / 20 °C
6.2: 20 °C
6.3: 0.33 h / 20 °C
With
sodium sulfide; sodium hydroxide; sodium periodate; benzotriazol-1-ol; acetic acid; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid;
In
tetrahydrofuran; dichloromethane; water; N,N-dimethyl-formamide;