4-[4-(1-benzofuran-5-yl)-2,3-difluorophenyl]-5-{[(3S)-1-(cyclopropylcarbonyl)-3-pyrrolidinyl]methyl}-2,4-dihydro-3H-1,2,4-triazol-3-one

Base Information

Chemical Name:4-[4-(1-benzofuran-5-yl)-2,3-difluorophenyl]-5-{[(3S)-1-(cyclopropylcarbonyl)-3-pyrrolidinyl]methyl}-2,4-dihydro-3H-1,2,4-triazol-3-one
CAS No.:1332331-71-1
Molecular Formula:C₂₅H₂₂F₂N₄O₃
Molecular Weight:464.471
Hs Code.:

Synonyms:4-[4-(1-benzofuran-5-yl)-2,3-difluorophenyl]-5-{[(3S)-1-(cyclopropylcarbonyl)-3-pyrrolidinyl]methyl}-2,4-dihydro-3H-1,2,4-triazol-3-one

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Chemical Property of 4-[4-(1-benzofuran-5-yl)-2,3-difluorophenyl]-5-{[(3S)-1-(cyclopropylcarbonyl)-3-pyrrolidinyl]methyl}-2,4-dihydro-3H-1,2,4-triazol-3-one

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Technology Process of 4-[4-(1-benzofuran-5-yl)-2,3-difluorophenyl]-5-{[(3S)-1-(cyclopropylcarbonyl)-3-pyrrolidinyl]methyl}-2,4-dihydro-3H-1,2,4-triazol-3-one

There total 5 articles about 4-[4-(1-benzofuran-5-yl)-2,3-difluorophenyl]-5-{[(3S)-1-(cyclopropylcarbonyl)-3-pyrrolidinyl]methyl}-2,4-dihydro-3H-1,2,4-triazol-3-one 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: 26.0%

: 112279-72-8
4-bromo-2,3-difluoro-aniline

: 1332333-18-2
2-[(3S)-1-(cyclopropylcarbonyl)-3-pyrrolidinyl]acetohydrazide

: 1332331-71-1
4-[4-(1-benzofuran-5-yl)-2,3-difluorophenyl]-5-{[(3S)-1-(cyclopropylcarbonyl)-3-pyrrolidinyl]methyl}-2,4-dihydro-3H-1,2,4-triazol-3-one

Guidance literature:: With bis(trichloromethyl) carbonate; N-ethyl-N,N-diisopropylamine; In dichloromethane; at -78 - 20 ℃; for 2h; Inert atmosphere;

Reference yield:

: 204688-61-9
2‐[(3S)‐1‐[(tert‐butoxy)carbonyl]pyrrolidin‐3‐yl]acetic acid

: 1332331-71-1
4-[4-(1-benzofuran-5-yl)-2,3-difluorophenyl]-5-{[(3S)-1-(cyclopropylcarbonyl)-3-pyrrolidinyl]methyl}-2,4-dihydro-3H-1,2,4-triazol-3-one

Guidance literature:: Multi-step reaction with 4 steps

1.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dmap / diethyl ether / 40 h / 20 °C / Inert atmosphere

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

2.2: 0.08 h / 20 °C

2.3: 1 h / 0 - 20 °C

3.1: hydrazine hydrate / ethanol / 15 h / 80 °C

4.1: N-ethyl-N,N-diisopropylamine; bis(trichloromethyl) carbonate / dichloromethane / 2 h / -78 - 20 °C / Inert atmosphere

With hydrogenchloride; bis(trichloromethyl) carbonate; hydrazine hydrate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; dmap; In 1,4-dioxane; diethyl ether; ethanol; dichloromethane;

Reference yield:

: 1332333-47-7
N-(4-bromo-2,3-difluorophenyl)-2-{[(3S)-1-(cyclopropylcarbonyl)-3-pyrrolidinyl]acetyl}hydrazinecarboxamide

: 1332331-71-1
4-[4-(1-benzofuran-5-yl)-2,3-difluorophenyl]-5-{[(3S)-1-(cyclopropylcarbonyl)-3-pyrrolidinyl]methyl}-2,4-dihydro-3H-1,2,4-triazol-3-one

Guidance literature:: Multi-step reaction with 2 steps

1: potassium carbonate / water / 16 h / 110 °C

2: caesium carbonate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂ / 1,4-dioxane; water / 100 °C / Microwave irradiation; Inert atmosphere

With potassium carbonate; caesium carbonate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; In 1,4-dioxane; water;