Technology Process of 3-Piperidinecarboxamide, N-((2-chloro-5-(2-methoxyethyl)phenyl)methyl)-N-cyclopropyl-4-(6-(2-(2,6-dichloro-4-methylphenoxy)ethoxy)-3-pyridinyl)-, (3R,4S)-
There total 22 articles about 3-Piperidinecarboxamide, N-((2-chloro-5-(2-methoxyethyl)phenyl)methyl)-N-cyclopropyl-4-(6-(2-(2,6-dichloro-4-methylphenoxy)ethoxy)-3-pyridinyl)-, (3R,4S)- 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'R,4'S)-3'-{[2-chloro-5-(2-methoxy-ethyl)-benzyl]cyclopropylcarbamoyl}-6-[2-(2,6-dichloro-4-methyl-phenoxy)ethoxy]-3',4',5',6'-tetrahydro-2'H-[3,4']bipyridinyl-1'-carboxylic acid tert-butyl ester;
With
phosphoric acid;
In
2-methyltetrahydrofuran; tert-butyl methyl ether;
at 60 ℃;
for 16.1667h;
With
water; sodium hydroxide;
In
2-methyltetrahydrofuran; tert-butyl methyl ether;
at 0 ℃;
pH=> 12;
- Guidance literature:
-
for 0.5h;
Purification / work up;
Resolution of racemate;
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: tetrakis(triphenylphosphine) palladium(0); sodium carbonate / 1,2-dimethoxyethane; water / 1.08 h / 50 - 83 °C / Inert atmosphere; Large scale reaction
2.1: tetrafluoroboric acid diethyl ether; [bis(2-methylallyl)cycloocta-1,5-diene]ruthenium(II); Josiphos SL-J212-1; hydrogen / tetrahydrofuran; dichloromethane / 20 h / 15 °C / 41372.9 Torr / Autoclave; Large scale reaction
3.1: sodium ethanolate / ethanol / 1 h / 70 °C / Inert atmosphere; Large scale reaction
3.2: 1 h / 70 °C / Inert atmosphere; Large scale reaction
4.1: 1-methyl-1H-imidazole / 2-methyltetrahydrofuran; acetonitrile / 3.25 h / -20 - -5 °C / Inert atmosphere; Large scale reaction
5.1: 2-methyltetrahydrofuran; acetonitrile / 16 h / 20 °C / Inert atmosphere; Large scale reaction
6.1: phosphoric acid / 2-methyltetrahydrofuran; tert-butyl methyl ether; water / 16 h / 60 °C / Inert atmosphere; Large scale reaction
With
1-methyl-1H-imidazole; tetrafluoroboric acid diethyl ether; [bis(2-methylallyl)cycloocta-1,5-diene]ruthenium(II); tetrakis(triphenylphosphine) palladium(0); Josiphos SL-J212-1; phosphoric acid; hydrogen; sodium ethanolate; sodium carbonate;
In
tetrahydrofuran; 2-methyltetrahydrofuran; 1,2-dimethoxyethane; ethanol; dichloromethane; tert-butyl methyl ether; water; acetonitrile;
1.1: Suzuki coupling;
DOI:10.1021/jo102070e