Technology Process of Carbonic acid (2R,3S,4S,5R,6S)-6-[3-allyloxy-2-(3-benzofuran-5-yl-propionyl)-5-methyl-phenoxy]-3,4,5-trihydroxy-tetrahydro-pyran-2-ylmethyl ester 2-methoxy-ethyl ester
There total 9 articles about Carbonic acid (2R,3S,4S,5R,6S)-6-[3-allyloxy-2-(3-benzofuran-5-yl-propionyl)-5-methyl-phenoxy]-3,4,5-trihydroxy-tetrahydro-pyran-2-ylmethyl ester 2-methoxy-ethyl ester which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: pyridine
2.1: AlCl3 / 1.5 h / 145 - 150 °C
3.1: 85 percent aq. H2SO4 / 2 h / 20 °C
4.1: 81 percent / benzyltributylammonium chloride; aq. K2CO3 / CHCl3 / 27 h / 20 °C
5.1: 50 percent aq. KOH / ethanol / 0.17 h / 20 °C
5.2: ethanol / 16 h / 20 °C
6.1: 4-(dimethylamino)pyridine / 10 percent Pt/C / ethanol; H2O / 9 h / 20 °C
7.1: 94 percent / K2CO3 / dimethylformamide / 10 h / 20 °C
8.1: 2,4,6-collidine / CH2Cl2 / 2.5 h / -40 - 20 °C
With
pyridine; 2,4,6-trimethyl-pyridine; dmap; potassium hydroxide; aluminium trichloride; sulfuric acid; benzyltri(n-butyl)ammonium chloride; potassium carbonate;
platinum on activated charcoal;
In
ethanol; dichloromethane; chloroform; water; N,N-dimethyl-formamide;
1.1: Acetylation / 2.1: Fries rearrangement / 3.1: Deacetylation / 4.1: glycosylation / 5.1: Deacetylation / 5.2: Condensation / 6.1: Catalytic hydrogenation / 7.1: Alkylation / 8.1: Acylation;
DOI:10.1021/jm990175n
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: 85 percent aq. H2SO4 / 2 h / 20 °C
2.1: 81 percent / benzyltributylammonium chloride; aq. K2CO3 / CHCl3 / 27 h / 20 °C
3.1: 50 percent aq. KOH / ethanol / 0.17 h / 20 °C
3.2: ethanol / 16 h / 20 °C
4.1: 4-(dimethylamino)pyridine / 10 percent Pt/C / ethanol; H2O / 9 h / 20 °C
5.1: 94 percent / K2CO3 / dimethylformamide / 10 h / 20 °C
6.1: 2,4,6-collidine / CH2Cl2 / 2.5 h / -40 - 20 °C
With
2,4,6-trimethyl-pyridine; dmap; potassium hydroxide; sulfuric acid; benzyltri(n-butyl)ammonium chloride; potassium carbonate;
platinum on activated charcoal;
In
ethanol; dichloromethane; chloroform; water; N,N-dimethyl-formamide;
1.1: Deacetylation / 2.1: glycosylation / 3.1: Deacetylation / 3.2: Condensation / 4.1: Catalytic hydrogenation / 5.1: Alkylation / 6.1: Acylation;
DOI:10.1021/jm990175n
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: 81 percent / benzyltributylammonium chloride; aq. K2CO3 / CHCl3 / 27 h / 20 °C
2.1: 50 percent aq. KOH / ethanol / 0.17 h / 20 °C
2.2: ethanol / 16 h / 20 °C
3.1: 4-(dimethylamino)pyridine / 10 percent Pt/C / ethanol; H2O / 9 h / 20 °C
4.1: 94 percent / K2CO3 / dimethylformamide / 10 h / 20 °C
5.1: 2,4,6-collidine / CH2Cl2 / 2.5 h / -40 - 20 °C
With
2,4,6-trimethyl-pyridine; dmap; potassium hydroxide; benzyltri(n-butyl)ammonium chloride; potassium carbonate;
platinum on activated charcoal;
In
ethanol; dichloromethane; chloroform; water; N,N-dimethyl-formamide;
1.1: glycosylation / 2.1: Deacetylation / 2.2: Condensation / 3.1: Catalytic hydrogenation / 4.1: Alkylation / 5.1: Acylation;
DOI:10.1021/jm990175n