(R)-2-(3-Amino-propionyloxy)-4-methyl-pentanoic acid benzyl ester

Base Information

• Chemical Name: (R)-2-(3-Amino-propionyloxy)-4-methyl-pentanoic acid benzyl ester
• CAS No.: 697217-20-2
• Molecular Formula: C₁₆H₂₃NO₄
• Molecular Weight: 293.363
• Mol file: 697217-20-2.mol

Synonyms:(R)-2-(3-Amino-propionyloxy)-4-methyl-pentanoic acid benzyl ester

Chemical Property of (R)-2-(3-Amino-propionyloxy)-4-methyl-pentanoic acid benzyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (R)-2-(3-Amino-propionyloxy)-4-methyl-pentanoic acid benzyl ester

There total 4 articles about (R)-2-(3-Amino-propionyloxy)-4-methyl-pentanoic acid benzyl 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:

(R)-2-hydroxy-4-methylpentanoic acid (20312-37-2,498-36-2) → (R)-2-(3-Amino-propionyloxy)-4-methyl-pentanoic acid benzyl ester (697217-20-2)

Guidance literature:

Multi-step reaction with 3 steps

1: 76 percent / K₂CO₃; tetrabutylammonium iodide / dimethylformamide / 1.5 h / 20 °C

2: 90 percent / DMAP; DCC / CH₂Cl₂ / 19.5 h / 0 - 20 °C

3: TFA / CH₂Cl₂ / 3.5 h / 20 °C

With dmap; tetra-(n-butyl)ammonium iodide; potassium carbonate; dicyclohexyl-carbodiimide; trifluoroacetic acid; In dichloromethane; N,N-dimethyl-formamide;

DOI:10.1021/jm030555f

Reference yield:

benzyl (2R)-2-(3-tert-butoxycarbonylaminopropionyloxy)-4-methylpentanoate (55739-20-3) → (R)-2-(3-Amino-propionyloxy)-4-methyl-pentanoic acid benzyl ester (697217-20-2)

Guidance literature:

With trifluoroacetic acid; In dichloromethane; at 20 ℃; for 3.5h;

DOI:10.1021/jm030555f

Reference yield:

benzyl (R)-2-hydroxy-4-methylpentanoate (37755-48-9) → (R)-2-(3-Amino-propionyloxy)-4-methyl-pentanoic acid benzyl ester (697217-20-2)

Guidance literature:

Multi-step reaction with 2 steps

1: 90 percent / DMAP; DCC / CH₂Cl₂ / 19.5 h / 0 - 20 °C

2: TFA / CH₂Cl₂ / 3.5 h / 20 °C

With dmap; dicyclohexyl-carbodiimide; trifluoroacetic acid; In dichloromethane;

DOI:10.1021/jm030555f

upstream raw materials:

benzyl (2R)-2-(3-tert-butoxycarbonylaminopropionyloxy)-4-methylpentanoate

(R)-2-hydroxy-4-methylpentanoic acid

benzyl (R)-2-hydroxy-4-methylpentanoate

benzyl bromide

Downstream raw materials:

benzyl (2R)-2-[3-[(2R)-2-tert-butoxycarbonylamino-3-(4-methoxyphenyl)propionylamino]propionyloxy]-4-methylpentanoate

benzyl (2R)-2-[3-[(2R)-2-tert-butoxycarbonylamino-3-(3-chloro-4-methoxyphenyl)propionylamino]propionyloxy]-4-methylpentanoate

(2R)-2-[3-[(2R)-2-tert-butoxycarbonylamino-3-(4-methoxyphenyl)propionylamino]propionyloxy]-4-methylpentanoic acid

(2R)-2-[3-[(2R)-2-tert-butoxycarbonylamino-3-(3-chloro-4-methoxyphenyl)propionylamino]propionyloxy]-4-methylpentanoic acid