Technology Process of methyl 2-{[2-(1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)prop-2-enyl][(4-nitrophenyl)sulfonyl]amino}pent-4-enoate
There total 2 articles about methyl 2-{[2-(1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)prop-2-enyl][(4-nitrophenyl)sulfonyl]amino}pent-4-enoate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
2-(4-nitrobenzenesulfonylamino)pent-4-enoic acid methyl ester; 5-iodo-1,3-dimethyluracil;
With
tetraethylammonium chloride; potassium carbonate; triphenylphosphine;
palladium diacetate;
In
toluene;
cooling;
1,2-propanediene;
In
toluene;
at 80 ℃;
for 46h;
DOI:10.1016/j.tet.2005.08.078
- Guidance literature:
-
Multi-step reaction with 2 steps
1.1: thionyl chloride / 0 - 20 °C
1.2: 55 percent / triethylamine / CH2Cl2 / 16 h / 0 - 20 °C
2.1: potassium carbonate; tetraethylammonium chloride; triphenylphosphine / palladium(II) acetate / toluene / cooling
2.2: 67 percent / toluene / 46 h / 80 °C
With
thionyl chloride; tetraethylammonium chloride; potassium carbonate; triphenylphosphine;
palladium diacetate;
In
toluene;
DOI:10.1016/j.tet.2005.08.078