Technology Process of (4S,5S)-4-(benzyloxy)-5-((1R,2S,3S)-1,2,3-trihydroxy-3-phenylpropyl)dihydrofuran-2(3H)-one
There total 10 articles about (4S,5S)-4-(benzyloxy)-5-((1R,2S,3S)-1,2,3-trihydroxy-3-phenylpropyl)dihydrofuran-2(3H)-one which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: mercury(II) diacetate / tetrahydrofuran; water / 0.5 h / 25 °C
1.2: 0.25 h / 0 °C
1.3: 2.5 h / 0 °C
2.1: dipyridinium dichromate / dichloromethane / 2 h / Molecular sieve; Reflux
3.1: water; acetic acid / 20 °C
4.1: pyridine / 3 h / 0 °C
5.1: sodium iodide / butanone / 12 h / Reflux
6.1: tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride / dichloromethane / 8 h / Inert atmosphere; Reflux
7.1: 1H-imidazole / dichloromethane / 8 h / 0 - 20 °C
8.1: osmium(VIII) oxide; AD-mix β; methanesulfonamide / water; tert-butyl alcohol / 24 h / 0 °C
9.1: Amberlyst 15 resin / acetonitrile / 5 h / 0 - 20 °C
With
pyridine; 1H-imidazole; tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; osmium(VIII) oxide; dipyridinium dichromate; methanesulfonamide; AD-mix β; mercury(II) diacetate; water; acetic acid; sodium iodide;
In
tetrahydrofuran; dichloromethane; water; acetonitrile; butanone; tert-butyl alcohol;
6.1: olefin cross metathesis reaction;
DOI:10.1016/j.tet.2011.04.014
- Guidance literature:
-
Multi-step reaction with 6 steps
1: pyridine / 3 h / 0 °C
2: sodium iodide / butanone / 12 h / Reflux
3: tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride / dichloromethane / 8 h / Inert atmosphere; Reflux
4: 1H-imidazole / dichloromethane / 8 h / 0 - 20 °C
5: osmium(VIII) oxide; AD-mix β; methanesulfonamide / water; tert-butyl alcohol / 24 h / 0 °C
6: Amberlyst 15 resin / acetonitrile / 5 h / 0 - 20 °C
With
pyridine; 1H-imidazole; tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; osmium(VIII) oxide; methanesulfonamide; AD-mix β; sodium iodide;
In
dichloromethane; water; acetonitrile; butanone; tert-butyl alcohol;
3: olefin cross metathesis reaction;
DOI:10.1016/j.tet.2011.04.014