Technology Process of Methyl-onat
There total 8 articles about Methyl-onat which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 1.) 0.1M CH3ONa; 2.) imidazole; / 1.) CH3OH, 2h; 2.) DMF, -10 deg C, 5 min;
2: 1.) dibutylzinnoxide, molecular sieve 4 Angstroem; 2.)tetrabutylammoniumiodide / 1.) toluene, reflux, 2h; 2.) toluene, 40-45 deg C, 8h
3: 1.) silver triflate, molecular sieve 4 Angstroem / 1.) CH2Cl2, 1h, 2.) CH2Cl2, 48h, -30 deg C - room temp.
4: 1M Bu4NF / tetrahydrofuran / 15 h
5: 4-(dimethylamino)pyridine / pyridine / 8 h / Ambient temperature
With
1H-imidazole; dmap; 4 A molecular sieve; dibutylzinnoxide; tetrabutyl ammonium fluoride; sodium methylate; silver trifluoromethanesulfonate; tetra-(n-butyl)ammonium iodide;
In
tetrahydrofuran; pyridine;
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 1.) dibutylzinnoxide, molecular sieve 4 Angstroem; 2.)tetrabutylammoniumiodide / 1.) toluene, reflux, 2h; 2.) toluene, 40-45 deg C, 8h
2: 1.) silver triflate, molecular sieve 4 Angstroem / 1.) CH2Cl2, 1h, 2.) CH2Cl2, 48h, -30 deg C - room temp.
3: 1M Bu4NF / tetrahydrofuran / 15 h
4: 4-(dimethylamino)pyridine / pyridine / 8 h / Ambient temperature
With
dmap; 4 A molecular sieve; dibutylzinnoxide; tetrabutyl ammonium fluoride; silver trifluoromethanesulfonate; tetra-(n-butyl)ammonium iodide;
In
tetrahydrofuran; pyridine;
- Guidance literature:
-
Multi-step reaction with 3 steps
1: 1.) silver triflate, molecular sieve 4 Angstroem / 1.) CH2Cl2, 1h, 2.) CH2Cl2, 48h, -30 deg C - room temp.
2: 1M Bu4NF / tetrahydrofuran / 15 h
3: 4-(dimethylamino)pyridine / pyridine / 8 h / Ambient temperature
With
dmap; 4 A molecular sieve; tetrabutyl ammonium fluoride; silver trifluoromethanesulfonate;
In
tetrahydrofuran; pyridine;