(8aS)-N-(2,3-dichlorophenyl)-1,3-dioxo-2-[(1S,2R)-2-phenylcyclopropyl]hexahydroimidazo[1,5-a]pyrazine-7(1H)-carboxamide

Base Information

Chemical Name:(8aS)-N-(2,3-dichlorophenyl)-1,3-dioxo-2-[(1S,2R)-2-phenylcyclopropyl]hexahydroimidazo[1,5-a]pyrazine-7(1H)-carboxamide
CAS No.:1211399-87-9
Molecular Formula:C₂₂H₂₀Cl₂N₄O₃
Molecular Weight:459.332
Hs Code.:

Synonyms:(8aS)-N-(2,3-dichlorophenyl)-1,3-dioxo-2-[(1S,2R)-2-phenylcyclopropyl]hexahydroimidazo[1,5-a]pyrazine-7(1H)-carboxamide

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Chemical Property of (8aS)-N-(2,3-dichlorophenyl)-1,3-dioxo-2-[(1S,2R)-2-phenylcyclopropyl]hexahydroimidazo[1,5-a]pyrazine-7(1H)-carboxamide

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Technology Process of (8aS)-N-(2,3-dichlorophenyl)-1,3-dioxo-2-[(1S,2R)-2-phenylcyclopropyl]hexahydroimidazo[1,5-a]pyrazine-7(1H)-carboxamide

There total 11 articles about (8aS)-N-(2,3-dichlorophenyl)-1,3-dioxo-2-[(1S,2R)-2-phenylcyclopropyl]hexahydroimidazo[1,5-a]pyrazine-7(1H)-carboxamide 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%

: 1211399-89-1
(8aS)-2-[(1S,2R)-2-phenylcyclopropyl]tetrahydroimidazo[1,5-a]pyrazine-1,3(2H,5H)-dione hydrochloride

: 41195-90-8
1,2-dichloro-3-isocyanatobenzene

: 1211399-87-9
(8aS)-N-(2,3-dichlorophenyl)-1,3-dioxo-2-[(1S,2R)-2-phenylcyclopropyl]hexahydroimidazo[1,5-a]pyrazine-7(1H)-carboxamide

Guidance literature:: With N-ethyl-N,N-diisopropylamine; In dichloromethane; at 20 ℃; for 1h;

Reference yield:

: 32315-10-9
bis(trichloromethyl) carbonate

: 1329683-24-0
C₂₁H₂₂Cl₂N₄O₂

: 1211399-87-9
(8aS)-N-(2,3-dichlorophenyl)-1,3-dioxo-2-[(1S,2R)-2-phenylcyclopropyl]hexahydroimidazo[1,5-a]pyrazine-7(1H)-carboxamide

Guidance literature:: With 1,8-diazabicyclo[5.4.0]undec-7-ene; In dichloromethane; at -30 - -10 ℃; for 0.75h; optical yield given as %de;
DOI:10.1016/j.bmcl.2011.06.023

Reference yield:

: C₂₇H₃₃N₃O₅

: 1211399-87-9
(8aS)-N-(2,3-dichlorophenyl)-1,3-dioxo-2-[(1S,2R)-2-phenylcyclopropyl]hexahydroimidazo[1,5-a]pyrazine-7(1H)-carboxamide

Guidance literature:: Multi-step reaction with 6 steps

1: trifluoroacetic acid / dichloromethane

2: N-ethyl-N,N-diisopropylamine / dichloromethane / 20 °C

3: palladium on carbon; hydrogen / methanol

4: N-ethyl-N,N-diisopropylamine / 1,2-dichloro-ethane

5: hydrogenchloride / 1,4-dioxane; water

6: 1,8-diazabicyclo[5.4.0]undec-7-ene / dichloromethane / 0.75 h / -30 - -10 °C

With hydrogenchloride; palladium on carbon; hydrogen; 1,8-diazabicyclo[5.4.0]undec-7-ene; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid; In 1,4-dioxane; methanol; dichloromethane; water; 1,2-dichloro-ethane;
DOI:10.1016/j.bmcl.2011.06.023