Technology Process of 2-((2R,4aS,7R,7aR)-7-Fluoro-2-phenyl-tetrahydro-furo[3,2-d][1,3]dioxin-7-yl)-thiazole-4-carboxylic acid ethyl ester
There total 10 articles about 2-((2R,4aS,7R,7aR)-7-Fluoro-2-phenyl-tetrahydro-furo[3,2-d][1,3]dioxin-7-yl)-thiazole-4-carboxylic acid ethyl ester which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
4,4'-diaminostilbene-2,2'-disulfonic acid;
In
dichloromethane;
for 6h;
Ambient temperature;
DOI:10.1016/S0957-4166(97)00615-0
- Guidance literature:
-
Multi-step reaction with 6 steps
1: ZnCl2 / 48 h / Ambient temperature
2: 49 percent / CrO3, Ac2O, pyridine / CH2Cl2 / 3 h / Ambient temperature
3: 66.5 percent / aq. NaHCO3 / ethyl acetate / Ambient temperature
4: 40.5 percent / H2S, 4-dimethylaminopyridine / ethanol; dioxane / 10 h / Ambient temperature
5: 73.5 percent / acetonitrile / 48 h / Ambient temperature
6: 97 percent / DAST / CH2Cl2 / 6 h / Ambient temperature
With
pyridine; chromium(VI) oxide; dmap; hydrogen sulfide; acetic anhydride; sodium hydrogencarbonate; 4,4'-diaminostilbene-2,2'-disulfonic acid; zinc(II) chloride;
In
1,4-dioxane; ethanol; dichloromethane; ethyl acetate; acetonitrile;
DOI:10.1016/S0957-4166(97)00615-0
- Guidance literature:
-
Multi-step reaction with 10 steps
1: pyridine / 2 h / Ambient temperature
2: TFA / 24 h / 80 °C
3: 0.3percent aq. TFA / 6 h / 80 °C
4: NaBH4 / H2O / 1.5 h / Ambient temperature
5: ZnCl2 / 48 h / Ambient temperature
6: 49 percent / CrO3, Ac2O, pyridine / CH2Cl2 / 3 h / Ambient temperature
7: 66.5 percent / aq. NaHCO3 / ethyl acetate / Ambient temperature
8: 40.5 percent / H2S, 4-dimethylaminopyridine / ethanol; dioxane / 10 h / Ambient temperature
9: 73.5 percent / acetonitrile / 48 h / Ambient temperature
10: 97 percent / DAST / CH2Cl2 / 6 h / Ambient temperature
With
pyridine; chromium(VI) oxide; dmap; sodium tetrahydroborate; hydrogen sulfide; acetic anhydride; sodium hydrogencarbonate; 4,4'-diaminostilbene-2,2'-disulfonic acid; trifluoroacetic acid; zinc(II) chloride;
In
1,4-dioxane; ethanol; dichloromethane; water; ethyl acetate; acetonitrile;
DOI:10.1016/S0957-4166(97)00615-0