Technology Process of 5-[5-(3,5-dichlorophenyl)-5-trifluoromethyl-4,5-dihydroisoxazol-3-yl]-1,3-dimethylindolizine-8-carboxylic acid methyl ester
There total 9 articles about 5-[5-(3,5-dichlorophenyl)-5-trifluoromethyl-4,5-dihydroisoxazol-3-yl]-1,3-dimethylindolizine-8-carboxylic acid methyl 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:
-
6-[5-(3,5-dichlorophenyl)-5-trifluoromethyl-4,5-dihydroisoxazol-3-yl]-2-(3-methanesulfonyloxy-but-1-ynyl)-nicotinic acid methyl ester; methyllithium;
copper(II) cyanide;
In
tetrahydrofuran; formaldehyde diethyl acetal;
at -75 ℃;
With
triethylamine; copper dichloride;
In
ISOPROPYLAMIDE;
at 130 ℃;
for 5h;
Inert atmosphere;
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: N,N-dimethyl-formamide / 19 h / 110 °C
2.1: sodium periodate / water; tetrahydrofuran / 1 h / 20 °C
3.1: hydroxylamine / water; tetrahydrofuran
4.1: N-chloro-succinimide / N,N-dimethyl-formamide / 0.33 h / 40 °C
4.2: 20 °C
5.1: triethylamine / copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride / 40 h / 50 °C
6.1: triethylamine / tetrahydrofuran / 1 h / 20 °C
7.1: copper(II) cyanide / formaldehyde diethyl acetal; tetrahydrofuran / -75 °C
7.2: 5 h / 130 °C / Inert atmosphere
With
sodium periodate; N-chloro-succinimide; hydroxylamine; triethylamine;
bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; copper(II) cyanide;
In
tetrahydrofuran; formaldehyde diethyl acetal; water; N,N-dimethyl-formamide;
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: oxalyl dichloride / dichloromethane / 0.5 h
2.1: dichloromethane / 0 °C
3.1: N,N-dimethyl-formamide / 19 h / 110 °C
4.1: sodium periodate / water; tetrahydrofuran / 1 h / 20 °C
5.1: hydroxylamine / water; tetrahydrofuran
6.1: N-chloro-succinimide / N,N-dimethyl-formamide / 0.33 h / 40 °C
6.2: 20 °C
7.1: triethylamine / copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride / 40 h / 50 °C
8.1: triethylamine / tetrahydrofuran / 1 h / 20 °C
9.1: copper(II) cyanide / formaldehyde diethyl acetal; tetrahydrofuran / -75 °C
9.2: 5 h / 130 °C / Inert atmosphere
With
sodium periodate; N-chloro-succinimide; oxalyl dichloride; hydroxylamine; triethylamine;
bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; copper(II) cyanide;
In
tetrahydrofuran; formaldehyde diethyl acetal; dichloromethane; water; N,N-dimethyl-formamide;