(S)-2-((3S,5S,8R,9S,10S,13S,14S,17R)-3-Hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-propionic acid 2-{2-[2-(2-{2-[2-(tert-butyl-diphenyl-silanyloxy)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-ethoxy}-ethyl ester

Base Information

Chemical Name:(S)-2-((3S,5S,8R,9S,10S,13S,14S,17R)-3-Hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-propionic acid 2-{2-[2-(2-{2-[2-(tert-butyl-diphenyl-silanyloxy)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-ethoxy}-ethyl ester
CAS No.:869893-56-1
Molecular Formula:C₅₀H₇₈O₉Si
Molecular Weight:851.249
Hs Code.:

(S)-2-((3S,5S,8R,9S,10S,13S,14S,17R)-3-Hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-propionic acid 2-{2-[2-(2-{2-[2-(tert-butyl-diphenyl-silanyloxy)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-ethoxy}-ethyl ester

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Chemical Property of (S)-2-((3S,5S,8R,9S,10S,13S,14S,17R)-3-Hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-propionic acid 2-{2-[2-(2-{2-[2-(tert-butyl-diphenyl-silanyloxy)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-ethoxy}-ethyl ester

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Technology Process of (S)-2-((3S,5S,8R,9S,10S,13S,14S,17R)-3-Hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-propionic acid 2-{2-[2-(2-{2-[2-(tert-butyl-diphenyl-silanyloxy)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-ethoxy}-ethyl ester

There total 9 articles about (S)-2-((3S,5S,8R,9S,10S,13S,14S,17R)-3-Hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-propionic acid 2-{2-[2-(2-{2-[2-(tert-butyl-diphenyl-silanyloxy)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-ethoxy}-ethyl ester which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

: 869893-55-0
(S)-2-((5S,8R,9S,10S,13S,14S,17R)-10,13-Dimethyl-3-oxo-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-propionic acid 2-{2-[2-(2-{2-[2-(tert-butyl-diphenyl-silanyloxy)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-ethoxy}-ethyl ester

: 869893-56-1
(S)-2-((3S,5S,8R,9S,10S,13S,14S,17R)-3-Hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-propionic acid 2-{2-[2-(2-{2-[2-(tert-butyl-diphenyl-silanyloxy)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-ethoxy}-ethyl ester

Guidance literature:: With dimethylsulfide borane complex; In tetrahydrofuran; at 0 ℃; for 1.5h;
DOI:10.1016/j.tet.2005.08.085

Reference yield:

: 1159-24-6
17-(Z)-ethylidene-3β-hydroxy-5α-androstane

: 869893-56-1
(S)-2-((3S,5S,8R,9S,10S,13S,14S,17R)-3-Hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-propionic acid 2-{2-[2-(2-{2-[2-(tert-butyl-diphenyl-silanyloxy)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-ethoxy}-ethyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: 86 percent / pyridinium dichromate; molecular sieves 4 Angstroem / CH₂Cl₂ / 3 h

2: 98 percent / BF₃*Et₂O / CH₂Cl₂ / 0.17 h / 20 °C

3: hydrogen / palladium(II) oxide / ethanol; ethyl acetate / 14 h

4: Jones reagent / acetone; CH₂Cl₂ / 2 h / 20 °C

5: 35 percent / 4-(dimethylamino)pyridine; 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimide HCl salt / CH₂Cl₂ / 16 h

6: borane - methylsulfide complex / tetrahydrofuran / 1.5 h / 0 °C

With dmap; dipyridinium dichromate; jones reagent; dimethylsulfide borane complex; 4 A molecular sieve; boron trifluoride diethyl etherate; hydrogen; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; palladium(II) oxide; In tetrahydrofuran; ethanol; dichloromethane; ethyl acetate; acetone;
DOI:10.1016/j.tet.2005.08.085

Reference yield:

: 607733-97-1
5α-23,24-bisnorchol-16-en-22-ol-3-one

: 869893-56-1
(S)-2-((3S,5S,8R,9S,10S,13S,14S,17R)-3-Hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-propionic acid 2-{2-[2-(2-{2-[2-(tert-butyl-diphenyl-silanyloxy)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-ethoxy}-ethyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: hydrogen / palladium(II) oxide / ethanol; ethyl acetate / 14 h

2: Jones reagent / acetone; CH₂Cl₂ / 2 h / 20 °C

3: 35 percent / 4-(dimethylamino)pyridine; 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimide HCl salt / CH₂Cl₂ / 16 h

4: borane - methylsulfide complex / tetrahydrofuran / 1.5 h / 0 °C

With dmap; jones reagent; dimethylsulfide borane complex; hydrogen; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; palladium(II) oxide; In tetrahydrofuran; ethanol; dichloromethane; ethyl acetate; acetone;
DOI:10.1016/j.tet.2005.08.085