Technology Process of (-)-(1S,4S,5S)-1-O-benzyl-N-benzyloxy-4-hydroxy-2,3-dideoxyhex-2-enopyranuronamide
There total 4 articles about (-)-(1S,4S,5S)-1-O-benzyl-N-benzyloxy-4-hydroxy-2,3-dideoxyhex-2-enopyranuronamide which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
(+)-(1S,4S,5S)-methyl 1-O-benzyl-4-hydroxy-2,3-dideoxyhex-2-enopyranuronate;
With
potassium trimethylsilonate;
In
tetrahydrofuran;
for 0.666667h;
O-benzylhydoxylamine hydrochloride;
With
1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride;
In
N,N-dimethyl-formamide;
for 14h;
Further stages.;
DOI:10.1021/ol017026v
- Guidance literature:
-
Multi-step reaction with 3 steps
1.1: 53 percent / BF3*OEt2 / CH2Cl2 / 96 h / -10 °C
2.1: 96 percent / K2CO3 / methanol / 3.5 h
3.1: KOTMS / tetrahydrofuran / 0.67 h
3.2: 75 percent / EDAC*HCl / dimethylformamide / 14 h
With
boron trifluoride diethyl etherate; potassium trimethylsilonate; potassium carbonate;
In
tetrahydrofuran; methanol; dichloromethane;
1.1: Ferrier reaction;
DOI:10.1021/ol017026v
- Guidance literature:
-
Multi-step reaction with 3 steps
1.1: 53 percent / BF3*OEt2 / CH2Cl2 / 96 h / -10 °C
2.1: 96 percent / K2CO3 / methanol / 3.5 h
3.1: KOTMS / tetrahydrofuran / 0.67 h
3.2: 75 percent / EDAC*HCl / dimethylformamide / 14 h
With
boron trifluoride diethyl etherate; potassium trimethylsilonate; potassium carbonate;
In
tetrahydrofuran; methanol; dichloromethane;
1.1: Ferrier reaction;
DOI:10.1021/ol017026v