Technology Process of 1-methyl-5-phenyl-1,2,3,4-tetrahydropyrimido[4,5-c]pyridazine
There total 6 articles about 1-methyl-5-phenyl-1,2,3,4-tetrahydropyrimido[4,5-c]pyridazine which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
sodium tetrahydroborate; boric acid;
In
methanol;
at 0 - 20 ℃;
for 24h;
Inert atmosphere;
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: sodium; ethanol / 24 h / 0 - 20 °C / Inert atmosphere
2.1: trichlorophosphate / 3 h / 80 °C / Inert atmosphere
2.2: pH 8 - 9
3.1: 4-methylmorpholine N-oxide; osmium(VIII) oxide / water; 1,4-dioxane / 2 h / 20 °C
3.2: 3 h / 20 °C
4.1: sodium acetate / acetonitrile / 3 h / 20 °C
5.1: potassium carbonate; tetrakis(triphenylphosphine) palladium(0) / water; toluene / 1 h / 100 °C / Inert atmosphere; Sealed tube
6.1: sodium tetrahydroborate; boric acid / methanol / 24 h / 0 - 20 °C / Inert atmosphere
With
sodium tetrahydroborate; osmium(VIII) oxide; tetrakis(triphenylphosphine) palladium(0); ethanol; sodium acetate; boric acid; sodium; potassium carbonate; 4-methylmorpholine N-oxide; trichlorophosphate;
In
1,4-dioxane; methanol; water; toluene; acetonitrile;
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: 4-methylmorpholine N-oxide; osmium(VIII) oxide / water; 1,4-dioxane / 2 h / 20 °C
1.2: 3 h / 20 °C
2.1: sodium acetate / acetonitrile / 3 h / 20 °C
3.1: potassium carbonate; tetrakis(triphenylphosphine) palladium(0) / water; toluene / 1 h / 100 °C / Inert atmosphere; Sealed tube
4.1: sodium tetrahydroborate; boric acid / methanol / 24 h / 0 - 20 °C / Inert atmosphere
With
sodium tetrahydroborate; osmium(VIII) oxide; tetrakis(triphenylphosphine) palladium(0); sodium acetate; boric acid; potassium carbonate; 4-methylmorpholine N-oxide;
In
1,4-dioxane; methanol; water; toluene; acetonitrile;