Technology Process of 1,2,3,5,6-penta-O-benzyl-D-chiro-inositol
There total 4 articles about 1,2,3,5,6-penta-O-benzyl-D-chiro-inositol which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
(1S,2R,3S,4S,5S,6R)-3,4,5-Tris-benzyloxy-6-(4-methoxy-benzyloxy)-cyclohexane-1,2-diol;
With
sodium hydride;
In
N,N-dimethyl-formamide;
at 0 ℃;
for 0.5h;
benzyl bromide;
In
N,N-dimethyl-formamide;
at 0 - 20 ℃;
With
water; 2,3-dicyano-5,6-dichloro-p-benzoquinone;
In
dichloromethane;
at 20 ℃;
for 2h;
DOI:10.1016/j.carres.2006.03.031
- Guidance literature:
-
Multi-step reaction with 2 steps
1.1: (COCl)2; DMSO; iPr2EtNH / tetrahydrofuran / 3 h / -78 - 20 °C
1.2: 43 percent / tBuOH; SmI2 / tetrahydrofuran / 3.5 h / -78 °C
2.1: NaH / dimethylformamide / 0.5 h / 0 °C
2.2: dimethylformamide / 0 - 20 °C
2.3: 72 percent / water; DDQ / CH2Cl2 / 2 h / 20 °C
With
oxalyl dichloride; sodium hydride; dimethyl sulfoxide; N-ethyl-N,N-diisopropylamine;
In
tetrahydrofuran; N,N-dimethyl-formamide;
1.1: Swern oxidation;
DOI:10.1016/j.carres.2006.03.031
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: NaH / tetrahydrofuran / 1 h / 20 °C
1.2: TBAI / tetrahydrofuran / 72 h / 20 °C
2.1: 183 mg / TBAF / tetrahydrofuran / 2 h / 20 °C
3.1: (COCl)2; DMSO; iPr2EtNH / tetrahydrofuran / 3 h / -78 - 20 °C
3.2: 43 percent / tBuOH; SmI2 / tetrahydrofuran / 3.5 h / -78 °C
4.1: NaH / dimethylformamide / 0.5 h / 0 °C
4.2: dimethylformamide / 0 - 20 °C
4.3: 72 percent / water; DDQ / CH2Cl2 / 2 h / 20 °C
With
oxalyl dichloride; tetrabutyl ammonium fluoride; sodium hydride; dimethyl sulfoxide; N-ethyl-N,N-diisopropylamine;
In
tetrahydrofuran; N,N-dimethyl-formamide;
3.1: Swern oxidation;
DOI:10.1016/j.carres.2006.03.031