2-[(7R,8aS)-7-[(5-cyclopropylpyrazin-2-yl)oxy]hexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl]-2-oxo-1-[3-(trifluoromethyl)phenyl]ethyl methanesulfonate

Base Information

Chemical Name:2-[(7R,8aS)-7-[(5-cyclopropylpyrazin-2-yl)oxy]hexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl]-2-oxo-1-[3-(trifluoromethyl)phenyl]ethyl methanesulfonate
CAS No.:1429296-92-3
Molecular Formula:C₂₄H₂₇F₃N₄O₅S
Molecular Weight:540.563
Hs Code.:

Synonyms:2-[(7R,8aS)-7-[(5-cyclopropylpyrazin-2-yl)oxy]hexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl]-2-oxo-1-[3-(trifluoromethyl)phenyl]ethyl methanesulfonate

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Chemical Property of 2-[(7R,8aS)-7-[(5-cyclopropylpyrazin-2-yl)oxy]hexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl]-2-oxo-1-[3-(trifluoromethyl)phenyl]ethyl methanesulfonate

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Technology Process of 2-[(7R,8aS)-7-[(5-cyclopropylpyrazin-2-yl)oxy]hexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl]-2-oxo-1-[3-(trifluoromethyl)phenyl]ethyl methanesulfonate

There total 6 articles about 2-[(7R,8aS)-7-[(5-cyclopropylpyrazin-2-yl)oxy]hexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl]-2-oxo-1-[3-(trifluoromethyl)phenyl]ethyl methanesulfonate 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: 67.0%

: 1429296-06-9
1-[(7R,8aS)-7-[(5-cyclopropylpyrazin-2-yl)oxy]hexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl]-2-hydroxy-2-[3-(trifluoromethyl)phenyl]ethanone

: 124-63-0
methanesulfonyl chloride

: 1429296-92-3
2-[(7R,8aS)-7-[(5-cyclopropylpyrazin-2-yl)oxy]hexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl]-2-oxo-1-[3-(trifluoromethyl)phenyl]ethyl methanesulfonate

Guidance literature:: With N-ethyl-N,N-diisopropylamine; In dichloromethane; at 20 ℃; for 3h;

Reference yield:

: 132715-17-4
(2S,4R)-methyl 1-(2-chloroacetyl)-4-hydroxypyrrolidine-2-carboxylate

: 1429296-92-3
2-[(7R,8aS)-7-[(5-cyclopropylpyrazin-2-yl)oxy]hexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl]-2-oxo-1-[3-(trifluoromethyl)phenyl]ethyl methanesulfonate

Guidance literature:: Multi-step reaction with 6 steps

1: triethylamine / 2-ethoxy-ethanol / 12 h / Reflux

2: lithium aluminium tetrahydride / tetrahydrofuran / 78 h / 15 - 65 °C

3: potassium tert-butylate / tetrahydrofuran / 48 h / 20 °C

4: 20% palladium hydroxide-activated charcoal; hydrogen / tetrahydrofuran / 16 h / 50 °C / 1551.49 Torr

5: O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; 4-methyl-morpholine / N,N-dimethyl-formamide / 1.5 h / 20 °C

6: N-ethyl-N,N-diisopropylamine / dichloromethane / 3 h / 20 °C

With 4-methyl-morpholine; lithium aluminium tetrahydride; 20% palladium hydroxide-activated charcoal; potassium tert-butylate; hydrogen; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine; N-ethyl-N,N-diisopropylamine; In tetrahydrofuran; 2-ethoxy-ethanol; dichloromethane; N,N-dimethyl-formamide;

Reference yield:

: 132714-97-7
(7R,8aS)-2-benzyl-7-hydroxyhexahydropyrrolo[1,2-a]pyrazine-1,4-dione

: 1429296-92-3
2-[(7R,8aS)-7-[(5-cyclopropylpyrazin-2-yl)oxy]hexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl]-2-oxo-1-[3-(trifluoromethyl)phenyl]ethyl methanesulfonate

Guidance literature:: Multi-step reaction with 5 steps

1: lithium aluminium tetrahydride / tetrahydrofuran / 78 h / 15 - 65 °C

2: potassium tert-butylate / tetrahydrofuran / 48 h / 20 °C

3: 20% palladium hydroxide-activated charcoal; hydrogen / tetrahydrofuran / 16 h / 50 °C / 1551.49 Torr

4: O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; 4-methyl-morpholine / N,N-dimethyl-formamide / 1.5 h / 20 °C

5: N-ethyl-N,N-diisopropylamine / dichloromethane / 3 h / 20 °C

With 4-methyl-morpholine; lithium aluminium tetrahydride; 20% palladium hydroxide-activated charcoal; potassium tert-butylate; hydrogen; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide;