Technology Process of 5-Thiazolecarboxylic acid,
2-[1-[2,6-dichloro-4-(4,5-dihydro-3,5-dioxo-1,2,4-triazin-2(3H)-yl)phenyl]
-1-methylethyl]-4-phenyl-, 1,1-dimethylethyl ester
There total 8 articles about 5-Thiazolecarboxylic acid,
2-[1-[2,6-dichloro-4-(4,5-dihydro-3,5-dioxo-1,2,4-triazin-2(3H)-yl)phenyl]
-1-methylethyl]-4-phenyl-, 1,1-dimethylethyl ester 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:
-
2,6-dichloro-4-(4,5-dihydro-3,5-dioxo-1,2,4-triazin-2(3H)-yl)-α,α-dimethylbenzeneethane-thioamide; 1,1-dimethylethyl α-bromo-β-oxo-benzenepropionate;
With
potassium carbonate;
In
acetonitrile;
at 20 ℃;
In
tert-butyl alcohol;
Heating;
DOI:10.1021/jm049479m
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: 15.0 g / H2 / Raney Ni / methanol / 1 h / 20 °C / 2250.18 Torr
2.1: aq. HCl; AcOH; NaNO2 / 1.83 h / 10 °C
2.2: 84 percent / aq. NaOAc / 0.67 h
3.1: KOAc; AcOH / 3 h / 120 °C
4.1: 100.6 g / aq. HCl / 4 h / Heating
5.1: 44 percent / thioglycolic acid / 4 h / 100 °C
6.1: 40 percent / diisopropylethylamine; H2S; pyridine / 24 h / 80 °C
7.1: K2CO3 / acetonitrile / 20 °C
7.2: 50 percent / 2-methyl-propan-2-ol / Heating
With
pyridine; hydrogenchloride; hydrogen sulfide; hydrogen; potassium acetate; potassium carbonate; acetic acid; mercaptoacetic acid; N-ethyl-N,N-diisopropylamine; sodium nitrite;
nickel;
In
methanol; acetonitrile;
DOI:10.1021/jm049479m
- Guidance literature:
-
Multi-step reaction with 2 steps
1.1: 40 percent / diisopropylethylamine; H2S; pyridine / 24 h / 80 °C
2.1: K2CO3 / acetonitrile / 20 °C
2.2: 50 percent / 2-methyl-propan-2-ol / Heating
With
pyridine; hydrogen sulfide; potassium carbonate; N-ethyl-N,N-diisopropylamine;
In
acetonitrile;
DOI:10.1021/jm049479m