3-{2-[3-(4-Cyano-phenyl)-4,5-dihydro-isoxazol-5-yl]-acetylamino}-propionic acid ethyl ester

Base Information

• Chemical Name: 3-{2-[3-(4-Cyano-phenyl)-4,5-dihydro-isoxazol-5-yl]-acetylamino}-propionic acid ethyl ester
• CAS No.: 170229-14-8
• Molecular Formula: C₁₇H₁₉N₃O₄
• Molecular Weight: 329.356
• Mol file: 170229-14-8.mol

Synonyms:3-{2-[3-(4-Cyano-phenyl)-4,5-dihydro-isoxazol-5-yl]-acetylamino}-propionic acid ethyl ester

Chemical Property of 3-{2-[3-(4-Cyano-phenyl)-4,5-dihydro-isoxazol-5-yl]-acetylamino}-propionic acid ethyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 3-{2-[3-(4-Cyano-phenyl)-4,5-dihydro-isoxazol-5-yl]-acetylamino}-propionic acid ethyl ester

There total 4 articles about 3-{2-[3-(4-Cyano-phenyl)-4,5-dihydro-isoxazol-5-yl]-acetylamino}-propionic acid ethyl 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: 48.0%

ethyl β-alaninate hydrochloride (4244-84-2) + [3-(4-cyano-phenyl)-4,5-dihydro-isoxazol-5-yl]-acetic acid (170229-13-7) → 3-{2-[3-(4-Cyano-phenyl)-4,5-dihydro-isoxazol-5-yl]-acetylamino}-propionic acid ethyl ester (170229-14-8)

Guidance literature:

With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; triethylamine; In N,N-dimethyl-formamide; Ambient temperature;

DOI:10.1021/jm960626t

Reference yield:

4-cyanobenzaldehyde oxime (52707-54-7,52707-59-2,64847-77-4) → 3-{2-[3-(4-Cyano-phenyl)-4,5-dihydro-isoxazol-5-yl]-acetylamino}-propionic acid ethyl ester (170229-14-8)

Guidance literature:

Multi-step reaction with 4 steps

1: 93 percent / NCS / dimethylformamide / 3 h

2: 81 percent / Et₃N / benzene / 5 h / Heating

3: 67 percent / 0.5 M LiOH / tetrahydrofuran / 4 h / Ambient temperature

4: 48 percent / TBTU, Et₃N / dimethylformamide / Ambient temperature

With lithium hydroxide; N-chloro-succinimide; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; triethylamine; In tetrahydrofuran; N,N-dimethyl-formamide; benzene;

DOI:10.1021/jm960626t

Reference yield:

(Z)-4-cyano-N-hydroxybenzimidoyl chloride (123476-70-0) → 3-{2-[3-(4-Cyano-phenyl)-4,5-dihydro-isoxazol-5-yl]-acetylamino}-propionic acid ethyl ester (170229-14-8)

Guidance literature:

Multi-step reaction with 3 steps

1: 81 percent / Et₃N / benzene / 5 h / Heating

2: 67 percent / 0.5 M LiOH / tetrahydrofuran / 4 h / Ambient temperature

3: 48 percent / TBTU, Et₃N / dimethylformamide / Ambient temperature

With lithium hydroxide; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; triethylamine; In tetrahydrofuran; N,N-dimethyl-formamide; benzene;

DOI:10.1021/jm960626t

upstream raw materials:

ethyl β-alaninate hydrochloride

[3-(4-cyano-phenyl)-4,5-dihydro-isoxazol-5-yl]-acetic acid

4-cyanobenzaldehyde oxime

(Z)-4-cyano-N-hydroxybenzimidoyl chloride