Technology Process of (7aS,9R,11aS)-11a-benzyl-9-ethyl-9-hydroxy-6,7,7a,8,9,10,11,11a-octahydro-5H-dibenzo[a,c]cycloheptene-3-carboxylic acid (2,4-dimethyl-pyrimidin-5-yl)-amide
There total 12 articles about (7aS,9R,11aS)-11a-benzyl-9-ethyl-9-hydroxy-6,7,7a,8,9,10,11,11a-octahydro-5H-dibenzo[a,c]cycloheptene-3-carboxylic acid (2,4-dimethyl-pyrimidin-5-yl)-amide which
guide to synthetic route it.
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synthetic route:
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1400926-85-3
(7aS,9R,11aS)-11a-benzyl-9-ethyl-9-hydroxy-6,7,7a,8,9,10,11,11a-octahydro-5H-dibenzo[a,c]cycloheptene-3-carboxylic acid methyl ester
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1400925-24-7
(7aS,9R,11aS)-11a-benzyl-9-ethyl-9-hydroxy-6,7,7a,8,9,10,11,11a-octahydro-5H-dibenzo[a,c]cycloheptene-3-carboxylic acid (2,4-dimethyl-pyrimidin-5-yl)-amide
- Guidance literature:
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With
lithium hexamethyldisilazane;
In
tetrahydrofuran; toluene;
for 1h;
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1400925-24-7
(7aS,9R,11aS)-11a-benzyl-9-ethyl-9-hydroxy-6,7,7a,8,9,10,11,11a-octahydro-5H-dibenzo[a,c]cycloheptene-3-carboxylic acid (2,4-dimethyl-pyrimidin-5-yl)-amide
- Guidance literature:
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Multi-step reaction with 12 steps
1.1: sodium hydride / n-heptane; dimethyl sulfoxide; tetrahydrofuran; mineral oil / 0.5 h / 20 °C
1.2: 4 h
2.1: [hydroxy(tosyloxy)iodo]benzene / water; methanol / 0 - 20 °C
3.1: pyrrolidine / toluene / 2 h / Reflux
3.2: 18 h / 100 °C
3.3: 2 h / 100 °C
4.1: ethanol; sodium / 3 h / 60 °C / Inert atmosphere; Reflux
5.1: methanesulfonic acid; DL-methionine / 48 h / 20 °C / Inert atmosphere
6.1: hydrogen / 10 wt% Pd(OH)2 on carbon / toluene / 20 h / 50 °C / 3102.97 Torr
7.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 17 h / 20 °C
8.1: sodium hydride / dimethyl sulfoxide; tetrahydrofuran; mineral oil / 0.17 h / -10 °C
8.2: 1.45 h / -10 - 20 °C
9.1: copper(l) iodide / diethyl ether; tetrahydrofuran / -40 - 0 °C / Inert atmosphere
9.2: 18.08 h
10.1: triethylamine / 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; tris-(dibenzylideneacetone)dipalladium(0) / N,N-dimethyl-formamide / 22 h / 90 °C
11.1: diethylamine / n-heptane; ethanol / Resolution of racemate
12.1: lithium hexamethyldisilazane / toluene; tetrahydrofuran / 1 h
With
pyrrolidine; methanesulfonic acid; ethanol; [hydroxy(tosyloxy)iodo]benzene; hydrogen; sodium; sodium hydride; diethylamine; triethylamine; N-ethyl-N,N-diisopropylamine; DL-methionine; lithium hexamethyldisilazane;
tris-(dibenzylideneacetone)dipalladium(0); copper(l) iodide; 10 wt% Pd(OH)2 on carbon; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene;
In
tetrahydrofuran; methanol; diethyl ether; ethanol; n-heptane; dichloromethane; water; dimethyl sulfoxide; N,N-dimethyl-formamide; toluene; mineral oil;
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1400925-24-7
(7aS,9R,11aS)-11a-benzyl-9-ethyl-9-hydroxy-6,7,7a,8,9,10,11,11a-octahydro-5H-dibenzo[a,c]cycloheptene-3-carboxylic acid (2,4-dimethyl-pyrimidin-5-yl)-amide
- Guidance literature:
-
Multi-step reaction with 10 steps
1.1: pyrrolidine / toluene / 2 h / Reflux
1.2: 18 h / 100 °C
1.3: 2 h / 100 °C
2.1: ethanol; sodium / 3 h / 60 °C / Inert atmosphere; Reflux
3.1: methanesulfonic acid; DL-methionine / 48 h / 20 °C / Inert atmosphere
4.1: hydrogen / 10 wt% Pd(OH)2 on carbon / toluene / 20 h / 50 °C / 3102.97 Torr
5.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 17 h / 20 °C
6.1: sodium hydride / dimethyl sulfoxide; tetrahydrofuran; mineral oil / 0.17 h / -10 °C
6.2: 1.45 h / -10 - 20 °C
7.1: copper(l) iodide / diethyl ether; tetrahydrofuran / -40 - 0 °C / Inert atmosphere
7.2: 18.08 h
8.1: triethylamine / 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; tris-(dibenzylideneacetone)dipalladium(0) / N,N-dimethyl-formamide / 22 h / 90 °C
9.1: diethylamine / n-heptane; ethanol / Resolution of racemate
10.1: lithium hexamethyldisilazane / toluene; tetrahydrofuran / 1 h
With
pyrrolidine; methanesulfonic acid; ethanol; hydrogen; sodium; sodium hydride; diethylamine; triethylamine; N-ethyl-N,N-diisopropylamine; DL-methionine; lithium hexamethyldisilazane;
tris-(dibenzylideneacetone)dipalladium(0); copper(l) iodide; 10 wt% Pd(OH)2 on carbon; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene;
In
tetrahydrofuran; diethyl ether; ethanol; n-heptane; dichloromethane; dimethyl sulfoxide; N,N-dimethyl-formamide; toluene; mineral oil;