Technology Process of para-methoxyphenyl 2,3,4-tri-O-benzyl-6,6,7,7-tetradehydro-6,7,8-trideoxy-α-D-manno-octopyranoside
There total 5 articles about para-methoxyphenyl 2,3,4-tri-O-benzyl-6,6,7,7-tetradehydro-6,7,8-trideoxy-α-D-manno-octopyranoside which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: NaH / dimethylformamide / 16 h / 20 °C
2.1: 1.79 g / TBAF / tetrahydrofuran / 2 h / 20 °C
3.1: DMSO; Et3N; (COCl)2 / CH2Cl2 / 2 h / -60 - 20 °C
4.1: 5.13 g / PPh3 / CH2Cl2 / 1.5 h / 20 °C
5.1: BuLi / tetrahydrofuran; hexane / 1 h / -78 - 0 °C
5.2: 79 percent / HMPA / tetrahydrofuran; hexane / 18 h / -70 - 20 °C
With
n-butyllithium; oxalyl dichloride; tetrabutyl ammonium fluoride; sodium hydride; dimethyl sulfoxide; triethylamine; triphenylphosphine;
In
tetrahydrofuran; hexane; dichloromethane; N,N-dimethyl-formamide;
3.1: Swern oxidation / 5.1: Corey-Fuchs reaction;
DOI:10.1016/j.carres.2007.05.021
- Guidance literature:
-
Multi-step reaction with 2 steps
1.1: 5.13 g / PPh3 / CH2Cl2 / 1.5 h / 20 °C
2.1: BuLi / tetrahydrofuran; hexane / 1 h / -78 - 0 °C
2.2: 79 percent / HMPA / tetrahydrofuran; hexane / 18 h / -70 - 20 °C
With
n-butyllithium; triphenylphosphine;
In
tetrahydrofuran; hexane; dichloromethane;
2.1: Corey-Fuchs reaction;
DOI:10.1016/j.carres.2007.05.021
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: 1.79 g / TBAF / tetrahydrofuran / 2 h / 20 °C
2.1: DMSO; Et3N; (COCl)2 / CH2Cl2 / 2 h / -60 - 20 °C
3.1: 5.13 g / PPh3 / CH2Cl2 / 1.5 h / 20 °C
4.1: BuLi / tetrahydrofuran; hexane / 1 h / -78 - 0 °C
4.2: 79 percent / HMPA / tetrahydrofuran; hexane / 18 h / -70 - 20 °C
With
n-butyllithium; oxalyl dichloride; tetrabutyl ammonium fluoride; dimethyl sulfoxide; triethylamine; triphenylphosphine;
In
tetrahydrofuran; hexane; dichloromethane;
2.1: Swern oxidation / 4.1: Corey-Fuchs reaction;
DOI:10.1016/j.carres.2007.05.021