2-[1-(3,4-Difluoro-phenyl)-ethyl]-malonic acid diethyl ester

Base Information

• Chemical Name: 2-[1-(3,4-Difluoro-phenyl)-ethyl]-malonic acid diethyl ester
• CAS No.: 155943-49-0
• Molecular Formula: C₁₅H₁₈F₂O₄
• Molecular Weight: 300.302
• Mol file: 155943-49-0.mol

Synonyms:2-[1-(3,4-Difluoro-phenyl)-ethyl]-malonic acid diethyl ester

Chemical Property of 2-[1-(3,4-Difluoro-phenyl)-ethyl]-malonic acid diethyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-[1-(3,4-Difluoro-phenyl)-ethyl]-malonic acid diethyl ester

There total 1 articles about 2-[1-(3,4-Difluoro-phenyl)-ethyl]-malonic acid diethyl ester 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:

4-(1-bromoethyl)-1,2-difluorobenzene (150881-71-3) + diethyl malonate (105-53-3) → 2-[1-(3,4-Difluoro-phenyl)-ethyl]-malonic acid diethyl ester (155943-49-0)

Guidance literature:

With sodium ethanolate; Yield given. Multistep reaction; 1.) EtOH, 0 deg C, 15 min, 2.) EtOH, 40 deg C, overnight;

DOI:10.1021/jm00034a005

Reference yield: 94.0%

2-[1-(3,4-Difluoro-phenyl)-ethyl]-malonic acid diethyl ester (155943-49-0) → 2-[1-(3,4-Difluoro-phenyl)-ethyl]-malonic acid monoethyl ester

Guidance literature:

With potassium hydroxide; In ethanol; at 0 - 20 ℃;

DOI:10.1021/jm00034a005

Reference yield:

2-[1-(3,4-Difluoro-phenyl)-ethyl]-malonic acid diethyl ester (155943-49-0) → 3-(3,4-Difluoro-phenyl)-2-methylene-butyric acid (155943-79-6)

Guidance literature:

Multi-step reaction with 3 steps

1: 94 percent / KOH / ethanol / 0 - 20 °C

2: Et₂NH / H₂O / 48 h / Ambient temperature

3: aq. NaOH / acetone / 0 - 20 °C

With potassium hydroxide; sodium hydroxide; diethylamine; In ethanol; water; acetone;

DOI:10.1021/jm00034a005

upstream raw materials:

4-(1-bromoethyl)-1,2-difluorobenzene

diethyl malonate

Downstream raw materials:

3-(3,4-Difluoro-phenyl)-2-methylene-butyric acid

3-(3,4-Difluoro-phenyl)-2-methylene-butyric acid ethyl ester

2-Acetylthiomethyl-3-[(3,4-difluoro)phenyl]butanoic Acid

(S)-2-[2-Acetylsulfanylmethyl-3-(3,4-difluoro-phenyl)-butyrylamino]-propionic acid benzyl ester