Technology Process of (3S,4S,5R)-5-Benzyl-3-((R)-1-benzyloxy-propyl)-tetrahydro-furan-2,3,4-triol
There total 13 articles about (3S,4S,5R)-5-Benzyl-3-((R)-1-benzyloxy-propyl)-tetrahydro-furan-2,3,4-triol which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 12 steps
1.1: tetrahydrofuran / 1 h / -18 °C
2.1: aq. AcOH / 11 h / 80 °C
3.1: 5.60 g / N-iodosuccinimide; n-Bu4NI / CH2Cl2 / 20 h / 20 °C
4.1: 79 percent / CSA / acetone / 6 h / 40 °C / 225.02 Torr
5.1: 91 percent / LiAlH4 / tetrahydrofuran / 2 h / 0 °C
6.1: DMAP; pyridine / 4 h / Heating
7.1: NaH / dimethylformamide / 8 h / 20 °C
8.1: 6.59 g / CSA / methanol / 48 h / 20 °C
9.1: 96 percent / Dess-Martin periodinane / CH2Cl2 / 3 h / 20 °C
10.1: 14 percent / tetrahydrofuran / 20 °C
11.1: O3 / CH2Cl2 / 1 h / -78 °C
11.2: Ph3P / CH2Cl2 / 1.5 h / -78 - 20 °C
12.1: aq. CF3CO2H / 9 h / 20 °C
With
pyridine; dmap; N-iodo-succinimide; lithium aluminium tetrahydride; camphor-10-sulfonic acid; tetra-(n-butyl)ammonium iodide; sodium hydride; Dess-Martin periodane; ozone; acetic acid; trifluoroacetic acid;
In
tetrahydrofuran; methanol; dichloromethane; N,N-dimethyl-formamide; acetone;
9.1: Dess-Martin oxidation;
DOI:10.1246/bcsj.77.1703
- Guidance literature:
-
Multi-step reaction with 13 steps
1.1: pyridinium chlorochromate; molecular sieves 4 Angstroem / CH2Cl2 / 10 h / 20 °C
2.1: tetrahydrofuran / 1 h / -18 °C
3.1: aq. AcOH / 11 h / 80 °C
4.1: 5.60 g / N-iodosuccinimide; n-Bu4NI / CH2Cl2 / 20 h / 20 °C
5.1: 79 percent / CSA / acetone / 6 h / 40 °C / 225.02 Torr
6.1: 91 percent / LiAlH4 / tetrahydrofuran / 2 h / 0 °C
7.1: DMAP; pyridine / 4 h / Heating
8.1: NaH / dimethylformamide / 8 h / 20 °C
9.1: 6.59 g / CSA / methanol / 48 h / 20 °C
10.1: 96 percent / Dess-Martin periodinane / CH2Cl2 / 3 h / 20 °C
11.1: 14 percent / tetrahydrofuran / 20 °C
12.1: O3 / CH2Cl2 / 1 h / -78 °C
12.2: Ph3P / CH2Cl2 / 1.5 h / -78 - 20 °C
13.1: aq. CF3CO2H / 9 h / 20 °C
With
pyridine; dmap; N-iodo-succinimide; lithium aluminium tetrahydride; 4 A molecular sieve; camphor-10-sulfonic acid; tetra-(n-butyl)ammonium iodide; sodium hydride; Dess-Martin periodane; ozone; acetic acid; pyridinium chlorochromate; trifluoroacetic acid;
In
tetrahydrofuran; methanol; dichloromethane; N,N-dimethyl-formamide; acetone;
10.1: Dess-Martin oxidation;
DOI:10.1246/bcsj.77.1703