Technology Process of 2,3,6-tri-O-benzyl-4-O-methyl-13C6-D-glucopyranosyl trichloroacetimidate
There total 7 articles about 2,3,6-tri-O-benzyl-4-O-methyl-13C6-D-glucopyranosyl trichloroacetimidate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
2,3,6-tri-O-benzyl-4-O-methyl-13C6-D-glucopyranose;
With
1,2-diazabicyclo[5.4.0]undec-7-ene;
In
dichloromethane;
at 20 ℃;
for 0.5h;
trichloroacetonitrile;
In
dichloromethane;
at 20 ℃;
for 2h;
DOI:10.1016/j.carres.2005.08.003
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: 63 percent / p-TsOH*H2O / dioxane / 3 h / 30 °C / 30 Torr
2.1: 44 percent / NaH dispersion in mineral oil; tetra-n-butylammonium iodide / tetrahydrofuran / Heating
3.1: 87 percent / triethylsilane; trifluoroacetic acid / CH2Cl2 / 6 h / 20 °C
4.1: NaH dispersion in mineral oil / tetrahydrofuran / 0.5 h
4.2: 98 percent / tetrahydrofuran / 2 h / 20 °C
5.1: 78 percent / aq. trifluoromethanesulfonic acid / acetic acid / 3 h / 80 °C
6.1: diazabicyclo[5.4.0]undec-7-ene / CH2Cl2 / 0.5 h / 20 °C
6.2: CH2Cl2 / 2 h / 20 °C
With
triethylsilane; 1,2-diazabicyclo[5.4.0]undec-7-ene; trifluorormethanesulfonic acid; tetra-(n-butyl)ammonium iodide; sodium hydride; toluene-4-sulfonic acid; trifluoroacetic acid;
In
tetrahydrofuran; 1,4-dioxane; dichloromethane; acetic acid;
DOI:10.1016/j.carres.2005.08.003
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: 44 percent / NaH dispersion in mineral oil; tetra-n-butylammonium iodide / tetrahydrofuran / Heating
2.1: 87 percent / triethylsilane; trifluoroacetic acid / CH2Cl2 / 6 h / 20 °C
3.1: NaH dispersion in mineral oil / tetrahydrofuran / 0.5 h
3.2: 98 percent / tetrahydrofuran / 2 h / 20 °C
4.1: 78 percent / aq. trifluoromethanesulfonic acid / acetic acid / 3 h / 80 °C
5.1: diazabicyclo[5.4.0]undec-7-ene / CH2Cl2 / 0.5 h / 20 °C
5.2: CH2Cl2 / 2 h / 20 °C
With
triethylsilane; 1,2-diazabicyclo[5.4.0]undec-7-ene; trifluorormethanesulfonic acid; tetra-(n-butyl)ammonium iodide; sodium hydride; trifluoroacetic acid;
In
tetrahydrofuran; dichloromethane; acetic acid;
DOI:10.1016/j.carres.2005.08.003