Technology Process of 4-((3S,10R,13S,17S)-3-((tert-butyldiphenylsilyl)oxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-1H-1,2,3-triazole
There total 8 articles about 4-((3S,10R,13S,17S)-3-((tert-butyldiphenylsilyl)oxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-1H-1,2,3-triazole which
guide to synthetic route it.
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synthetic route:
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1526915-63-8
tert-butyl(((3S,10R,13S,17R)-17-ethynyl-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl)oxy)diphenylsilane
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1526915-66-1
4-((3S,10R,13S,17S)-3-((tert-butyldiphenylsilyl)oxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-1H-1,2,3-triazole
- Guidance literature:
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tert-butyl(((3S,10R,13S,17R)-17-ethynyl-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl)oxy)diphenylsilane;
With
sodium azide; copper(ll) sulfate pentahydrate; acetic acid; sodium L-ascorbate;
In
1,4-dioxane;
at 20 ℃;
for 18h;
With
manganese(IV) oxide;
In
chloroform;
for 20h;
Reflux;
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1526930-28-8
1-((3S,10R,13S,17S)-3-((tert-butyldiphenylsilyl)oxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)ethanone
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1526915-66-1
4-((3S,10R,13S,17S)-3-((tert-butyldiphenylsilyl)oxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-1H-1,2,3-triazole
- Guidance literature:
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Multi-step reaction with 6 steps
1.1: boron trifluoride diethyl etherate / methanol; toluene / 4 h / 20 °C
2.1: lithium aluminium tetrahydride / tetrahydrofuran / 0.5 h / 0 - 20 °C / Inert atmosphere
3.1: sodium periodate / tetrahydrofuran; water
4.1: triphenylphosphine / dichloromethane / 0.17 h / 0 °C
4.2: 0.33 h / 0 °C
5.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -78 °C
6.1: acetic acid; sodium L-ascorbate; copper(ll) sulfate pentahydrate; sodium azide / 1,4-dioxane / 18 h / 20 °C
6.2: 20 h / Reflux
With
sodium periodate; lithium aluminium tetrahydride; n-butyllithium; sodium azide; copper(ll) sulfate pentahydrate; boron trifluoride diethyl etherate; acetic acid; sodium L-ascorbate; triphenylphosphine;
In
tetrahydrofuran; 1,4-dioxane; methanol; hexane; dichloromethane; water; toluene;
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1526915-66-1
4-((3S,10R,13S,17S)-3-((tert-butyldiphenylsilyl)oxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-1H-1,2,3-triazole
- Guidance literature:
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Multi-step reaction with 7 steps
1.1: 1H-imidazole / dichloromethane / 4 h / 0 - 20 °C
2.1: boron trifluoride diethyl etherate / methanol; toluene / 4 h / 20 °C
3.1: lithium aluminium tetrahydride / tetrahydrofuran / 0.5 h / 0 - 20 °C / Inert atmosphere
4.1: sodium periodate / tetrahydrofuran; water
5.1: triphenylphosphine / dichloromethane / 0.17 h / 0 °C
5.2: 0.33 h / 0 °C
6.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -78 °C
7.1: acetic acid; sodium L-ascorbate; copper(ll) sulfate pentahydrate; sodium azide / 1,4-dioxane / 18 h / 20 °C
7.2: 20 h / Reflux
With
1H-imidazole; sodium periodate; lithium aluminium tetrahydride; n-butyllithium; sodium azide; copper(ll) sulfate pentahydrate; boron trifluoride diethyl etherate; acetic acid; sodium L-ascorbate; triphenylphosphine;
In
tetrahydrofuran; 1,4-dioxane; methanol; hexane; dichloromethane; water; toluene;