Technology Process of 3α,6α-bis(benzoyloxy)-5α-cholestane-7β,15α-diol
There total 11 articles about 3α,6α-bis(benzoyloxy)-5α-cholestane-7β,15α-diol which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
3α,6α,7β-tris(benzoyloxy)-5α-cholest-14-ene;
With
borane-THF;
In
tetrahydrofuran;
at 25 ℃;
for 3h;
With
sodium perborate;
In
tetrahydrofuran; water;
at 25 ℃;
DOI:10.1016/S0040-4020(00)01086-3
- Guidance literature:
-
Multi-step reaction with 10 steps
1.1: 93 percent / CeCl3*7H2O; NaBH4 / CH2Cl2; methanol / -78 - 20 °C
2.1: 93 percent / DMAP / pyridine / 25 °C
3.1: BH3*THF / tetrahydrofuran / 0 - 25 °C
3.2: 80 percent / 30 percent H2O2; 10 percent NaOH / tetrahydrofuran / 2 h / 0 °C
4.1: 100 percent / TMSOTf / CH2Cl2 / 0.5 h / 25 °C
5.1: 92 percent / 10 percent NaOH / ethanol; tetrahydrofuran / 1 h / 0 °C
6.1: 87 percent / PPh3; DEAD / tetrahydrofuran / 0.08 h / 25 °C
7.1: 68 percent / benzene / 25 °C / Photolysis
8.1: LiAlH4 / tetrahydrofuran / 0.25 h / 25 °C
8.2: 91 percent / aq. NaOH / 0 - 25 °C
9.1: 91 percent / TMSOTf / CH2Cl2 / 1 h / 25 °C
10.1: BH3*THF / tetrahydrofuran / 3 h / 25 °C
10.2: sodium perborate / tetrahydrofuran; H2O / 25 °C
With
dmap; sodium hydroxide; sodium tetrahydroborate; lithium aluminium tetrahydride; cerium(III) chloride; borane-THF; trimethylsilyl trifluoromethanesulfonate; triphenylphosphine; diethylazodicarboxylate;
In
tetrahydrofuran; pyridine; methanol; ethanol; dichloromethane; benzene;
1.1: Luche reduction / 6.1: Mitsunobu reaction;
DOI:10.1016/S0040-4020(00)01086-3
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: 100 percent / TMSOTf / CH2Cl2 / 0.5 h / 25 °C
2.1: 92 percent / 10 percent NaOH / ethanol; tetrahydrofuran / 1 h / 0 °C
3.1: 87 percent / PPh3; DEAD / tetrahydrofuran / 0.08 h / 25 °C
4.1: 68 percent / benzene / 25 °C / Photolysis
5.1: LiAlH4 / tetrahydrofuran / 0.25 h / 25 °C
5.2: 91 percent / aq. NaOH / 0 - 25 °C
6.1: 91 percent / TMSOTf / CH2Cl2 / 1 h / 25 °C
7.1: BH3*THF / tetrahydrofuran / 3 h / 25 °C
7.2: sodium perborate / tetrahydrofuran; H2O / 25 °C
With
sodium hydroxide; lithium aluminium tetrahydride; borane-THF; trimethylsilyl trifluoromethanesulfonate; triphenylphosphine; diethylazodicarboxylate;
In
tetrahydrofuran; ethanol; dichloromethane; benzene;
3.1: Mitsunobu reaction;
DOI:10.1016/S0040-4020(00)01086-3