Technology Process of 3-((3S,8S,9S,10R,13R,14S,17R)-3-Methoxymethoxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-phenylselanyl-propionic acid methyl ester
There total 7 articles about 3-((3S,8S,9S,10R,13R,14S,17R)-3-Methoxymethoxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-phenylselanyl-propionic acid methyl ester which
guide to synthetic route it.
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synthetic route:
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117151-36-7
3-((3S,8S,9S,10R,13R,14S,17R)-3-Hydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-propionic acid
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117151-39-0
3-((3S,8S,9S,10R,13R,14S,17R)-3-Methoxymethoxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-phenylselanyl-propionic acid methyl ester
- Guidance literature:
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Multi-step reaction with 3 steps
1: 83 percent / potassium carbonate / acetone / 5 h / Heating
2: 87 percent / N,N-Dimethylaniline / CH2Cl2 / 48 h / Ambient temperature
3: 1-butyllithium, diisopropylamine / 1) THF, -78 deg C, 40 min 2) -78 deg C, 1 h, 0 deg C, 30 min
With
n-butyllithium; potassium carbonate; N,N-dimethyl-aniline; diisopropylamine;
In
dichloromethane; acetone;
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117151-39-0
3-((3S,8S,9S,10R,13R,14S,17R)-3-Methoxymethoxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-phenylselanyl-propionic acid methyl ester
- Guidance literature:
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Multi-step reaction with 2 steps
1: 87 percent / N,N-Dimethylaniline / CH2Cl2 / 48 h / Ambient temperature
2: 1-butyllithium, diisopropylamine / 1) THF, -78 deg C, 40 min 2) -78 deg C, 1 h, 0 deg C, 30 min
With
n-butyllithium; N,N-dimethyl-aniline; diisopropylamine;
In
dichloromethane;
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117151-39-0
3-((3S,8S,9S,10R,13R,14S,17R)-3-Methoxymethoxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-phenylselanyl-propionic acid methyl ester
- Guidance literature:
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Multi-step reaction with 4 steps
1: 66 percent / pyridine / Ambient temperature
2: 47 percent / sodium hydride / dioxane / 20 h / 100 °C
3: 57 percent / sodium cyanide / dimethylsulfoxide / 6 h / Heating
4: 1-butyllithium, diisopropylamine / 1) THF, -78 deg C, 40 min 2) -78 deg C, 1 h, 0 deg C, 30 min
With
sodium cyanide; n-butyllithium; sodium hydride; diisopropylamine;
In
1,4-dioxane; pyridine; dimethyl sulfoxide;