(4S)-4-(2-aminoethyl)-7-[3-(trifluoromethoxy)phenyl]-3,4-dihydropyrrolo[1,2-a]pyrazin-1(2H)-one hydrochloride

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Chemical Name:(4S)-4-(2-aminoethyl)-7-[3-(trifluoromethoxy)phenyl]-3,4-dihydropyrrolo[1,2-a]pyrazin-1(2H)-one hydrochloride
CAS No.:1429499-50-2
Molecular Formula:C₁₆H₁₆F₃N₃O₂*ClH
Molecular Weight:375.778
Hs Code.:

Synonyms:(4S)-4-(2-aminoethyl)-7-[3-(trifluoromethoxy)phenyl]-3,4-dihydropyrrolo[1,2-a]pyrazin-1(2H)-one hydrochloride

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Chemical Property of (4S)-4-(2-aminoethyl)-7-[3-(trifluoromethoxy)phenyl]-3,4-dihydropyrrolo[1,2-a]pyrazin-1(2H)-one hydrochloride

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Technology Process of (4S)-4-(2-aminoethyl)-7-[3-(trifluoromethoxy)phenyl]-3,4-dihydropyrrolo[1,2-a]pyrazin-1(2H)-one hydrochloride

There total 9 articles about (4S)-4-(2-aminoethyl)-7-[3-(trifluoromethoxy)phenyl]-3,4-dihydropyrrolo[1,2-a]pyrazin-1(2H)-one hydrochloride 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: 97.0%

: 1429500-77-5
tert-butyl (2-{(4S)-1-oxo-7-[3-(trifluoromethoxy)phenyl]-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazin-4-yl}ethyl)carbamate

: 1429499-50-2
(4S)-4-(2-aminoethyl)-7-[3-(trifluoromethoxy)phenyl]-3,4-dihydropyrrolo[1,2-a]pyrazin-1(2H)-one hydrochloride

Guidance literature:: With hydrogenchloride; In 1,4-dioxane; at 20 ℃; for 1h;

Reference yield:

: 1429500-52-6
(2S)-2-(1H-pyrrol-1-yl)butane-1,4-diol

: 1429499-50-2
(4S)-4-(2-aminoethyl)-7-[3-(trifluoromethoxy)phenyl]-3,4-dihydropyrrolo[1,2-a]pyrazin-1(2H)-one hydrochloride

Guidance literature:: Multi-step reaction with 8 steps

1.1: triethylamine / tetrahydrofuran / 0 - 20 °C

2.1: sodium azide / N,N-dimethyl-formamide; acetonitrile

3.1: dichloromethane / Reflux

4.1: iodine; silver trifluoroacetate / dichloromethane / 20 °C / Cooling with ice

5.1: tetrahydrofuran / 3 h / 20 °C

6.1: triphenylphosphine / dichloromethane / 20 °C

6.2: 24 h / 20 °C

7.1: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; caesium carbonate / 1,4-dioxane; water / 2 h / 70 °C / Sealed tube; Inert atmosphere

8.1: hydrogenchloride / 1,4-dioxane / 1 h / 20 °C

With hydrogenchloride; sodium azide; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; iodine; silver trifluoroacetate; caesium carbonate; triethylamine; triphenylphosphine; In tetrahydrofuran; 1,4-dioxane; dichloromethane; water; N,N-dimethyl-formamide; acetonitrile;

Reference yield:

: 1429500-56-0
1-[(2S)-1,4-diazidobutan-2-yl]-1H-pyrrole

: 1429499-50-2
(4S)-4-(2-aminoethyl)-7-[3-(trifluoromethoxy)phenyl]-3,4-dihydropyrrolo[1,2-a]pyrazin-1(2H)-one hydrochloride

Guidance literature:: Multi-step reaction with 6 steps

1.1: dichloromethane / Reflux

2.1: iodine; silver trifluoroacetate / dichloromethane / 20 °C / Cooling with ice

3.1: tetrahydrofuran / 3 h / 20 °C

4.1: triphenylphosphine / dichloromethane / 20 °C

4.2: 24 h / 20 °C

5.1: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; caesium carbonate / 1,4-dioxane; water / 2 h / 70 °C / Sealed tube; Inert atmosphere

6.1: hydrogenchloride / 1,4-dioxane / 1 h / 20 °C

With hydrogenchloride; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; iodine; silver trifluoroacetate; caesium carbonate; triphenylphosphine; In tetrahydrofuran; 1,4-dioxane; dichloromethane; water;