Technology Process of (5R,8S,9S)-9-(tert-butoxycarbonylamino)-8-(2,3-difluorophenyl)-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyrazin-5-yl 4-(2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridin-1-yl)piperidine-1-carboxylate
There total 14 articles about (5R,8S,9S)-9-(tert-butoxycarbonylamino)-8-(2,3-difluorophenyl)-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyrazin-5-yl 4-(2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridin-1-yl)piperidine-1-carboxylate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 10 steps
1.1: sodium methylate / methanol / 0.5 h / 0 °C / Inert atmosphere
1.2: 4 h / -60 - -20 °C
1.3: 18 h / 20 °C
2.1: titanium(IV) tetraethanolate / benzene; tetrahydrofuran / 6 h / 20 °C / Inert atmosphere
3.1: lithium diisopropyl amide; n-butyllithium / tetrahydrofuran / -78 - 20 °C / Inert atmosphere
3.2: 2 h / -75 °C
4.1: hydrogenchloride / 1,4-dioxane; methanol / 1 h / 20 °C
5.1: triethylamine / dichloromethane / 2 h / 20 °C
6.1: tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride / dichloromethane / 3 h / Inert atmosphere; Reflux
7.1: N-Methyldicyclohexylamine / bis(tri-t-butylphosphine)palladium(0) / 1,4-dioxane / 2.02 h / 20 - 160 °C / Microwave irradiation; Inert atmosphere
8.1: ozone / dimethylsulfide / dichloromethane / 0.17 h / -78 °C / Inert atmosphere
9.1: water; sodium tetrahydroborate / methanol / 2 h / 20 °C
10.1: N,N-dimethyl-formamide; benzene / Inert atmosphere
10.2: -15 - 20 °C / Inert atmosphere
With
hydrogenchloride; sodium tetrahydroborate; n-butyllithium; N-Methyldicyclohexylamine; water; sodium methylate; ozone; triethylamine; lithium diisopropyl amide;
tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; titanium(IV) tetraethanolate; bis(tri-t-butylphosphine)palladium(0); dimethylsulfide;
In
tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; N,N-dimethyl-formamide; benzene;
6.1: Grubbs' metathesis conditions / 7.1: Heck Reaction;
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: titanium(IV) tetraethanolate / benzene; tetrahydrofuran / 6 h / 20 °C / Inert atmosphere
2.1: lithium diisopropyl amide; n-butyllithium / tetrahydrofuran / -78 - 20 °C / Inert atmosphere
2.2: 2 h / -75 °C
3.1: hydrogenchloride / 1,4-dioxane; methanol / 1 h / 20 °C
4.1: triethylamine / dichloromethane / 2 h / 20 °C
5.1: tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride / dichloromethane / 3 h / Inert atmosphere; Reflux
6.1: N-Methyldicyclohexylamine / bis(tri-t-butylphosphine)palladium(0) / 1,4-dioxane / 2.02 h / 20 - 160 °C / Microwave irradiation; Inert atmosphere
7.1: ozone / dimethylsulfide / dichloromethane / 0.17 h / -78 °C / Inert atmosphere
8.1: water; sodium tetrahydroborate / methanol / 2 h / 20 °C
9.1: N,N-dimethyl-formamide; benzene / Inert atmosphere
9.2: -15 - 20 °C / Inert atmosphere
With
hydrogenchloride; sodium tetrahydroborate; n-butyllithium; N-Methyldicyclohexylamine; water; ozone; triethylamine; lithium diisopropyl amide;
tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; titanium(IV) tetraethanolate; bis(tri-t-butylphosphine)palladium(0); dimethylsulfide;
In
tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; N,N-dimethyl-formamide; benzene;
5.1: Grubbs' metathesis conditions / 6.1: Heck Reaction;
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: lithium diisopropyl amide; n-butyllithium / tetrahydrofuran / -78 - 20 °C / Inert atmosphere
1.2: 2 h / -75 °C
2.1: hydrogenchloride / 1,4-dioxane; methanol / 1 h / 20 °C
3.1: triethylamine / dichloromethane / 2 h / 20 °C
4.1: tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride / dichloromethane / 3 h / Inert atmosphere; Reflux
5.1: N-Methyldicyclohexylamine / bis(tri-t-butylphosphine)palladium(0) / 1,4-dioxane / 2.02 h / 20 - 160 °C / Microwave irradiation; Inert atmosphere
6.1: ozone / dimethylsulfide / dichloromethane / 0.17 h / -78 °C / Inert atmosphere
7.1: water; sodium tetrahydroborate / methanol / 2 h / 20 °C
8.1: N,N-dimethyl-formamide; benzene / Inert atmosphere
8.2: -15 - 20 °C / Inert atmosphere
With
hydrogenchloride; sodium tetrahydroborate; n-butyllithium; N-Methyldicyclohexylamine; water; ozone; triethylamine; lithium diisopropyl amide;
tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; bis(tri-t-butylphosphine)palladium(0); dimethylsulfide;
In
tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; N,N-dimethyl-formamide; benzene;
4.1: Grubbs' metathesis conditions / 5.1: Heck Reaction;