Technology Process of (3S,3aS,5aS,9S,9aS,9bR)-8-Hydroxy-3,5a,9-trimethyl-decahydro-naphtho[1,2-b]furan-2-one
There total 1 articles about (3S,3aS,5aS,9S,9aS,9bR)-8-Hydroxy-3,5a,9-trimethyl-decahydro-naphtho[1,2-b]furan-2-one which
guide to synthetic route it.
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synthetic route:
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6089-71-0,18045-58-4,22387-66-2,29395-96-8,32981-64-9,65017-96-1,67895-88-9,67895-89-0,98796-78-2,127617-02-1,132185-32-1,132185-33-2
(11R)-3α,6α-dihydroxy-eudesman-12-oic acid-6-lactone
- Guidance literature:
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With
potassium hydroxide;
anschliessend Hydrieren an Platin und Erhitzen der eingeengten Reaktionsloesung mit wss. Salzsaeure;
DOI:10.1016/0040-4020(58)80007-1
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6089-71-0,18045-58-4,22387-66-2,29395-96-8,32981-64-9,65017-96-1,67895-88-9,67895-89-0,98796-78-2,127617-02-1,132185-32-1,132185-33-2
(3S,3aS,5aS,9S,9aS,9bR)-8-Hydroxy-3,5a,9-trimethyl-decahydro-naphtho[1,2-b]furan-2-one
- Guidance literature:
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Multi-step reaction with 8 steps
1: 58 percent / 2,2'-bipyridinium chlorochromate / CH2Cl2 / 12 h / Ambient temperature
2: 61 percent / Br2 / CCl4; CHCl3 / 0.17 h / Ambient temperature
3: 94 percent / Li2CO3, LiBr / dimethylformamide / 1.25 h / 120 °C
4: 57 percent / 30percent H2O2, Na2CO3 / H2O; tetrahydrofuran / 2 h / 35 - 40 °C
5: 28 percent / 100percent hydrazine hydrate / tetrahydrofuran / 0.08 h / Heating
6: 98 percent / Jones reagent / acetone / 0 °C
7: 7.5 percent / ethanol / 144 h / Rhizopus nigricans cultures
8: 1) Zn, acetic acid, 2) MCPBA / 1) reflux, 20 min, 2) H2CCl2, rt, 48 h
With
jones reagent; dihydrogen peroxide; bromine; lithium carbonate; sodium carbonate; hydrazine hydrate; acetic acid; 3-chloro-benzenecarboperoxoic acid; 2,2'-bipyridinium chlorochromate; lithium bromide; zinc;
In
tetrahydrofuran; tetrachloromethane; ethanol; dichloromethane; chloroform; water; N,N-dimethyl-formamide; acetone;
DOI:10.1016/S0040-4020(01)87881-9
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6089-71-0,18045-58-4,22387-66-2,29395-96-8,32981-64-9,65017-96-1,67895-88-9,67895-89-0,98796-78-2,127617-02-1,132185-32-1,132185-33-2
(3S,3aS,5aS,9S,9aS,9bR)-8-Hydroxy-3,5a,9-trimethyl-decahydro-naphtho[1,2-b]furan-2-one
- Guidance literature:
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Multi-step reaction with 7 steps
1: 58 percent / 2,2'-bipyridinium chlorochromate / CH2Cl2 / 12 h / Ambient temperature
2: 61 percent / Br2 / CCl4; CHCl3 / 0.17 h / Ambient temperature
3: 94 percent / Li2CO3, LiBr / dimethylformamide / 1.25 h / 120 °C
4: 57 percent / 30percent H2O2, Na2CO3 / H2O; tetrahydrofuran / 2 h / 35 - 40 °C
5: 28 percent / 100percent hydrazine hydrate / tetrahydrofuran / 0.08 h / Heating
6: 98 percent / Jones reagent / acetone / 0 °C
7: 7.5 percent / ethanol / 144 h / Rhizopus nigricans cultures
With
jones reagent; dihydrogen peroxide; bromine; lithium carbonate; sodium carbonate; hydrazine hydrate; 2,2'-bipyridinium chlorochromate; lithium bromide;
In
tetrahydrofuran; tetrachloromethane; ethanol; dichloromethane; chloroform; water; N,N-dimethyl-formamide; acetone;
DOI:10.1016/S0040-4020(01)87881-9