(R)-N-(1-(4’-acetamidobiphenyl-3-yl)ethyl)-1-(2,4-difluorophenyl)-4-hydroxy-5-oxo-2,5-dihydro-1H-pyrrole-3-carboxamide

Base Information

Chemical Name:(R)-N-(1-(4’-acetamidobiphenyl-3-yl)ethyl)-1-(2,4-difluorophenyl)-4-hydroxy-5-oxo-2,5-dihydro-1H-pyrrole-3-carboxamide
CAS No.:1429343-34-9
Molecular Formula:C₂₇H₂₃F₂N₃O₄
Molecular Weight:491.494
Hs Code.:

Synonyms:(R)-N-(1-(4’-acetamidobiphenyl-3-yl)ethyl)-1-(2,4-difluorophenyl)-4-hydroxy-5-oxo-2,5-dihydro-1H-pyrrole-3-carboxamide

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Chemical Property of (R)-N-(1-(4’-acetamidobiphenyl-3-yl)ethyl)-1-(2,4-difluorophenyl)-4-hydroxy-5-oxo-2,5-dihydro-1H-pyrrole-3-carboxamide

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Technology Process of (R)-N-(1-(4’-acetamidobiphenyl-3-yl)ethyl)-1-(2,4-difluorophenyl)-4-hydroxy-5-oxo-2,5-dihydro-1H-pyrrole-3-carboxamide

There total 8 articles about (R)-N-(1-(4’-acetamidobiphenyl-3-yl)ethyl)-1-(2,4-difluorophenyl)-4-hydroxy-5-oxo-2,5-dihydro-1H-pyrrole-3-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: 68.0%

: 1429345-70-9
(R)-N-(1-(4’-acetamidobiphenyl-3-yl)ethyl)-1-(2,4-difluorophenyl)-4-ethoxy-5-oxo-2,5-dihydro-1H-pyrrole-3-carboxamide

: 1429343-34-9
(R)-N-(1-(4’-acetamidobiphenyl-3-yl)ethyl)-1-(2,4-difluorophenyl)-4-hydroxy-5-oxo-2,5-dihydro-1H-pyrrole-3-carboxamide

Guidance literature:: With boron trichloride; In chloroform; at 20 ℃; for 12h;

Reference yield:

: 333441-80-8
ethyl 2-(2,4-difluorophenylamino)-2-oxoacetate

: 1429343-34-9
(R)-N-(1-(4’-acetamidobiphenyl-3-yl)ethyl)-1-(2,4-difluorophenyl)-4-hydroxy-5-oxo-2,5-dihydro-1H-pyrrole-3-carboxamide

Guidance literature:: Multi-step reaction with 6 steps

1: triphenylphosphine / 1,2-dichloro-ethane / 18 h / 80 °C / Sealed tube

2: methanol; lithium hydroxide / tetrahydrofuran / 0.5 h / Reflux

3: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 1.5 h / 20 °C

4: triethylamine / dichloromethane / 18 h / 20 °C

5: tetrakis(triphenylphosphine) palladium⁽⁰⁾; sodium carbonate / 1,2-dimethoxyethane / 1 h / 100 °C / Microwave irradiation; Inert atmosphere

6: boron trichloride / chloroform / 12 h / 20 °C

With methanol; tetrakis(triphenylphosphine) palladium⁽⁰⁾; oxalyl dichloride; boron trichloride; sodium carbonate; triethylamine; N,N-dimethyl-formamide; triphenylphosphine; lithium hydroxide; In tetrahydrofuran; 1,2-dimethoxyethane; dichloromethane; chloroform; 1,2-dichloro-ethane;

Reference yield:

: 1429293-27-5
dimethyl 1-(2,4-difluorophenyl)-4-ethoxy-5-oxo-2,5-dihydro-1H-pyrrole-2,3-dicarboxylate

: 1429343-34-9
(R)-N-(1-(4’-acetamidobiphenyl-3-yl)ethyl)-1-(2,4-difluorophenyl)-4-hydroxy-5-oxo-2,5-dihydro-1H-pyrrole-3-carboxamide

Guidance literature:: Multi-step reaction with 5 steps

1: methanol; lithium hydroxide / tetrahydrofuran / 0.5 h / Reflux

2: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 1.5 h / 20 °C

3: triethylamine / dichloromethane / 18 h / 20 °C

4: tetrakis(triphenylphosphine) palladium⁽⁰⁾; sodium carbonate / 1,2-dimethoxyethane / 1 h / 100 °C / Microwave irradiation; Inert atmosphere

5: boron trichloride / chloroform / 12 h / 20 °C

With methanol; tetrakis(triphenylphosphine) palladium⁽⁰⁾; oxalyl dichloride; boron trichloride; sodium carbonate; triethylamine; N,N-dimethyl-formamide; lithium hydroxide; In tetrahydrofuran; 1,2-dimethoxyethane; dichloromethane; chloroform;