tert-butyl [(3-{4-[(5R,8S,11R,13S,14S,17S)-5,17-dihydroxy-5',5',13-trimethyl-17-(pentafluoroethyl)-1,2,4,5,6,7,8,11,12,13,14,15,16,17-tetradecahydro-spiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxane]-11-yl]phenyl}prop-2-yn-1-yl)oxy]acetate

Base Information

Chemical Name:tert-butyl [(3-{4-[(5R,8S,11R,13S,14S,17S)-5,17-dihydroxy-5',5',13-trimethyl-17-(pentafluoroethyl)-1,2,4,5,6,7,8,11,12,13,14,15,16,17-tetradecahydro-spiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxane]-11-yl]phenyl}prop-2-yn-1-yl)oxy]acetate
CAS No.:1262017-21-9
Molecular Formula:C₄₀H₅₁F₅O₇
Molecular Weight:738.833
Hs Code.:

tert-butyl [(3-{4-[(5R,8S,11R,13S,14S,17S)-5,17-dihydroxy-5',5',13-trimethyl-17-(pentafluoroethyl)-1,2,4,5,6,7,8,11,12,13,14,15,16,17-tetradecahydro-spiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxane]-11-yl]phenyl}prop-2-yn-1-yl)oxy]acetate

Synonyms:tert-butyl [(3-{4-[(5R,8S,11R,13S,14S,17S)-5,17-dihydroxy-5',5',13-trimethyl-17-(pentafluoroethyl)-1,2,4,5,6,7,8,11,12,13,14,15,16,17-tetradecahydro-spiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxane]-11-yl]phenyl}prop-2-yn-1-yl)oxy]acetate

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Chemical Property of tert-butyl [(3-{4-[(5R,8S,11R,13S,14S,17S)-5,17-dihydroxy-5',5',13-trimethyl-17-(pentafluoroethyl)-1,2,4,5,6,7,8,11,12,13,14,15,16,17-tetradecahydro-spiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxane]-11-yl]phenyl}prop-2-yn-1-yl)oxy]acetate

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Technology Process of tert-butyl [(3-{4-[(5R,8S,11R,13S,14S,17S)-5,17-dihydroxy-5',5',13-trimethyl-17-(pentafluoroethyl)-1,2,4,5,6,7,8,11,12,13,14,15,16,17-tetradecahydro-spiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxane]-11-yl]phenyl}prop-2-yn-1-yl)oxy]acetate

There total 7 articles about tert-butyl [(3-{4-[(5R,8S,11R,13S,14S,17S)-5,17-dihydroxy-5',5',13-trimethyl-17-(pentafluoroethyl)-1,2,4,5,6,7,8,11,12,13,14,15,16,17-tetradecahydro-spiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxane]-11-yl]phenyl}prop-2-yn-1-yl)oxy]acetate 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: 87.0%

: 5292-43-3
bromoacetic acid tert-butyl ester

: 1262017-09-3
(5R,8S,11R,13S,14S,17S)-11-[4-(3-hydroxyprop-1-yn-1-yl)phenyl]-5',5',13-trimethyl-17-(pentafluoroethyl)-1,2,3,4,6,7,8,11,12,13,14,15,16,17-tetradecahydro-spiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxane]-5,17-diol

: 1262017-21-9
tert-butyl [(3-{4-[(5R,8S,11R,13S,14S,17S)-5,17-dihydroxy-5',5',13-trimethyl-17-(pentafluoroethyl)-1,2,4,5,6,7,8,11,12,13,14,15,16,17-tetradecahydro-spiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxane]-11-yl]phenyl}prop-2-yn-1-yl)oxy]acetate

Guidance literature:: With tetra(n-butyl)ammonium hydrogensulfate; sodium hydroxide; In dichloromethane; water; at 23 ℃; for 1h;

Reference yield:

: 6793-92-6
p-benzyloxyphenylbromide

: 1262017-21-9
tert-butyl [(3-{4-[(5R,8S,11R,13S,14S,17S)-5,17-dihydroxy-5',5',13-trimethyl-17-(pentafluoroethyl)-1,2,4,5,6,7,8,11,12,13,14,15,16,17-tetradecahydro-spiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxane]-11-yl]phenyl}prop-2-yn-1-yl)oxy]acetate

Guidance literature:: Multi-step reaction with 5 steps

1.1: magnesium / tetrahydrofuran / 50 - 80 °C

1.2: 16 h / 0 - 23 °C

2.1: ammonium formate / palladium 10% on activated carbon / methanol / 2 h / 23 °C

3.1: n-butyllithium / hexane; tetrahydrofuran / 0.5 h / -10 - 0 °C

3.2: 1.5 h / 0 °C

3.3: 16 h / 23 °C

4.1: piperidine / tetrakis(triphenylphosphine) palladium⁽⁰⁾ / tetrahydrofuran / 1 h / 80 °C

5.1: tetra(n-butyl)ammonium hydrogensulfate; sodium hydroxide / dichloromethane; water / 1 h / 23 °C

With piperidine; n-butyllithium; ammonium formate; tetra(n-butyl)ammonium hydrogensulfate; magnesium; sodium hydroxide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; palladium 10% on activated carbon; In tetrahydrofuran; methanol; hexane; dichloromethane; water;

Reference yield:

: 1262017-12-8
(5R,8S,11R,13S,14S,17S)-11-[4-hydroxyphenyl]-5′,5′,13-trimethyl-17-(pentafluoroethyl)-1,2,6,7,8,11,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2′-[1,3]dioxane]-5,17(4H)-diol

: 1262017-21-9
tert-butyl [(3-{4-[(5R,8S,11R,13S,14S,17S)-5,17-dihydroxy-5',5',13-trimethyl-17-(pentafluoroethyl)-1,2,4,5,6,7,8,11,12,13,14,15,16,17-tetradecahydro-spiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxane]-11-yl]phenyl}prop-2-yn-1-yl)oxy]acetate

Guidance literature:: Multi-step reaction with 3 steps

1.1: n-butyllithium / hexane; tetrahydrofuran / 0.5 h / -10 - 0 °C

1.2: 1.5 h / 0 °C

1.3: 16 h / 23 °C

2.1: piperidine / tetrakis(triphenylphosphine) palladium⁽⁰⁾ / tetrahydrofuran / 1 h / 80 °C

3.1: tetra(n-butyl)ammonium hydrogensulfate; sodium hydroxide / dichloromethane; water / 1 h / 23 °C

With piperidine; n-butyllithium; tetra(n-butyl)ammonium hydrogensulfate; sodium hydroxide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; hexane; dichloromethane; water;