Technology Process of 7,8-dihydroxy-2,3-di-p-tolyl-7,8-dihydropyrido[2,3-b]pyrazin-5(6H)-carboxylic acid tert-butyl ester
There total 8 articles about 7,8-dihydroxy-2,3-di-p-tolyl-7,8-dihydropyrido[2,3-b]pyrazin-5(6H)-carboxylic acid tert-butyl ester which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
potassium permanganate; sodium hydrogensulfite; methyl tributylammonium chloride;
In
dichloromethane; water;
at 0 - 10 ℃;
Inert atmosphere;
- Guidance literature:
-
Multi-step reaction with 3 steps
1.1: lithium aluminium tetrahydride / tetrahydrofuran / 20 °C
1.2: 0.25 h / 0 °C
2.1: n-butyllithium / diethyl ether; hexanes / 0.17 h / -78 °C
2.2: -78 - 20 °C
3.1: sodium hydrogensulfite; potassium permanganate; methyl tributylammonium chloride / dichloromethane; water / 0 - 10 °C / Inert atmosphere
With
potassium permanganate; lithium aluminium tetrahydride; n-butyllithium; sodium hydrogensulfite; methyl tributylammonium chloride;
In
tetrahydrofuran; hexanes; diethyl ether; dichloromethane; water;
- Guidance literature:
-
Multi-step reaction with 2 steps
1.1: n-butyllithium / diethyl ether; hexanes / 0.17 h / -78 °C
1.2: -78 - 20 °C
2.1: sodium hydrogensulfite; potassium permanganate; methyl tributylammonium chloride / dichloromethane; water / 0 - 10 °C / Inert atmosphere
With
potassium permanganate; n-butyllithium; sodium hydrogensulfite; methyl tributylammonium chloride;
In
hexanes; diethyl ether; dichloromethane; water;