Technology Process of 3-[4-((5R,8S,11R,13S,14S,17S)-5,17-dihydroxy-5',5',13-trimethyl-17-pentafluoroethyl-2,3,4,5,6,7,8,11,12,13,14,15,16,17-tetradecahydro-1H-spiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxane]-11-yl)phenylethynyl]benzoic acid methyl ester
There total 9 articles about 3-[4-((5R,8S,11R,13S,14S,17S)-5,17-dihydroxy-5',5',13-trimethyl-17-pentafluoroethyl-2,3,4,5,6,7,8,11,12,13,14,15,16,17-tetradecahydro-1H-spiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxane]-11-yl)phenylethynyl]benzoic acid methyl 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:
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1262017-28-6
(5R,8S,11R,13S,14S,17S)-11-(4-ethynylphenyl)-5',5',13-trimethyl-17-pentafluoroethyl-1,2,3,4,6,7,8,11,12,13,14,15,16,17-tetradecahydro-1H-spiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxane]-5,17-diol
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1262017-31-1
3-[4-((5R,8S,11R,13S,14S,17S)-5,17-dihydroxy-5',5',13-trimethyl-17-pentafluoroethyl-2,3,4,5,6,7,8,11,12,13,14,15,16,17-tetradecahydro-1H-spiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxane]-11-yl)phenylethynyl]benzoic acid methyl ester
- Guidance literature:
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methyl 3-chlorobenzoate;
With
caesium carbonate; XPhos;
dichloro bis(acetonitrile) palladium(II);
In
acetonitrile;
at 23 ℃;
for 0.5h;
(5R,8S,11R,13S,14S,17S)-11-(4-ethynylphenyl)-5',5',13-trimethyl-17-pentafluoroethyl-1,2,3,4,6,7,8,11,12,13,14,15,16,17-tetradecahydro-1H-spiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxane]-5,17-diol;
In
acetonitrile;
at 70 ℃;
for 2h;
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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
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1262017-31-1
3-[4-((5R,8S,11R,13S,14S,17S)-5,17-dihydroxy-5',5',13-trimethyl-17-pentafluoroethyl-2,3,4,5,6,7,8,11,12,13,14,15,16,17-tetradecahydro-1H-spiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxane]-11-yl)phenylethynyl]benzoic acid methyl ester
- Guidance literature:
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Multi-step reaction with 5 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: tetrapropylammonium perruthennate; 4-methylmorpholine N-oxide / dichloromethane / 1.5 h / 23 °C / Molecular sieve
4.1: sodium hydroxide; water / tetrahydrofuran / 2 h / 60 °C
5.1: caesium carbonate; XPhos / dichloro bis(acetonitrile) palladium(II) / acetonitrile / 0.5 h / 23 °C
5.2: 2 h / 70 °C
With
piperidine; n-butyllithium; tetrapropylammonium perruthennate; water; caesium carbonate; 4-methylmorpholine N-oxide; sodium hydroxide; XPhos;
dichloro bis(acetonitrile) palladium(II); tetrakis(triphenylphosphine) palladium(0);
In
tetrahydrofuran; hexane; dichloromethane; acetonitrile;
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1262017-31-1
3-[4-((5R,8S,11R,13S,14S,17S)-5,17-dihydroxy-5',5',13-trimethyl-17-pentafluoroethyl-2,3,4,5,6,7,8,11,12,13,14,15,16,17-tetradecahydro-1H-spiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxane]-11-yl)phenylethynyl]benzoic acid methyl ester
- Guidance literature:
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Multi-step reaction with 7 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: tetrapropylammonium perruthennate; 4-methylmorpholine N-oxide / dichloromethane / 1.5 h / 23 °C / Molecular sieve
6.1: sodium hydroxide; water / tetrahydrofuran / 2 h / 60 °C
7.1: caesium carbonate; XPhos / dichloro bis(acetonitrile) palladium(II) / acetonitrile / 0.5 h / 23 °C
7.2: 2 h / 70 °C
With
piperidine; n-butyllithium; tetrapropylammonium perruthennate; water; ammonium formate; caesium carbonate; magnesium; 4-methylmorpholine N-oxide; sodium hydroxide; XPhos;
dichloro bis(acetonitrile) palladium(II); tetrakis(triphenylphosphine) palladium(0); palladium 10% on activated carbon;
In
tetrahydrofuran; methanol; hexane; dichloromethane; acetonitrile;