Technology Process of 4H-Cyclopentoxazole-4,5-diol, 6-(acetyloxy)methyl-2-(dimethylamino)-3a,5,6,6a-tetrahydro-, diacetate (ester), (3aS,4R,5R,6S,6aS)-
There total 38 articles about 4H-Cyclopentoxazole-4,5-diol, 6-(acetyloxy)methyl-2-(dimethylamino)-3a,5,6,6a-tetrahydro-, diacetate (ester), (3aS,4R,5R,6S,6aS)- which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
trimethoxonium tetrafluoroborate;
In
dichloromethane;
at 20 ℃;
for 48h;
- Guidance literature:
-
Multi-step reaction with 2 steps
1: 1.) HCl / 1.) MeOH, room temperature, 2.5 h, 2.) pyridine, room temperature, 16 h
2: 46 percent / triethyloxonium tetrafluoroborate / CH2Cl2 / 44 h / Ambient temperature
With
hydrogenchloride; triethyloxonium fluoroborate;
In
dichloromethane;
- Guidance literature:
-
Multi-step reaction with 3 steps
1: 1.) hydrazine monohydrate, 2.) Na2CO3, 3.) NaH / 1.) EtOH, 70 deg C, 4 h, 2.) CH2Cl2, H2O, 0 deg C, 100 min, 3.) THF, mineral oil, room temperature, 3 h
2: 1.) HCl / 1.) MeOH, room temperature, 2.5 h, 2.) pyridine, room temperature, 16 h
3: 46 percent / triethyloxonium tetrafluoroborate / CH2Cl2 / 44 h / Ambient temperature
With
hydrogenchloride; triethyloxonium fluoroborate; sodium hydride; sodium carbonate; hydrazine hydrate;
In
dichloromethane;