(S)-2-((R)-2-Aminooxy-4-methyl-pentanoylaminooxy)-3-phenyl-propionic acid tert-butyl ester

Base Information

• Chemical Name: (S)-2-((R)-2-Aminooxy-4-methyl-pentanoylaminooxy)-3-phenyl-propionic acid tert-butyl ester
• CAS No.: 500800-65-7
• Molecular Formula: C₁₉H₃₀N₂O₅
• Molecular Weight: 366.458
• Mol file: 500800-65-7.mol

Synonyms:(S)-2-((R)-2-Aminooxy-4-methyl-pentanoylaminooxy)-3-phenyl-propionic acid tert-butyl ester

Chemical Property of (S)-2-((R)-2-Aminooxy-4-methyl-pentanoylaminooxy)-3-phenyl-propionic acid tert-butyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (S)-2-((R)-2-Aminooxy-4-methyl-pentanoylaminooxy)-3-phenyl-propionic acid tert-butyl ester

There total 5 articles about (S)-2-((R)-2-Aminooxy-4-methyl-pentanoylaminooxy)-3-phenyl-propionic acid tert-butyl 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: 88.0%

(S)-2-[(R)-2-(1,3-Dioxo-1,3-dihydro-isoindol-2-yloxy)-4-methyl-pentanoylaminooxy]-3-phenyl-propionic acid tert-butyl ester (500800-63-5) → (S)-2-((R)-2-Aminooxy-4-methyl-pentanoylaminooxy)-3-phenyl-propionic acid tert-butyl ester (500800-65-7)

Guidance literature:

With hydrazine hydrate; In methanol; at 20 ℃; for 2.5h;

DOI:10.1021/ja029514j

Reference yield:

(R)-4-methyl-2-phthalimidooxypentanoic acid (310404-45-6) → (S)-2-((R)-2-Aminooxy-4-methyl-pentanoylaminooxy)-3-phenyl-propionic acid tert-butyl ester (500800-65-7)

Guidance literature:

Multi-step reaction with 2 steps

1: 94 percent / 1-hydroxybenzotriazole; 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimide methyliodide / CH₂Cl₂ / 20 °C

2: 88 percent / aq. NH₂NH₂ / methanol / 2.5 h / 20 °C

With benzotriazol-1-ol; hydrazine hydrate; 1-[3-(dimethylamino)-propyl]-3-ethylcarbodiimide methiodide; In methanol; dichloromethane;

DOI:10.1021/ja029514j

Reference yield:

D-tert-butyl 2-phthalimid-N-oxy-4-methylpentanoate (380886-35-1) → (S)-2-((R)-2-Aminooxy-4-methyl-pentanoylaminooxy)-3-phenyl-propionic acid tert-butyl ester (500800-65-7)

Guidance literature:

Multi-step reaction with 3 steps

1: 100 percent / CF₃CO₂H / CH₂Cl₂ / 3 h / 20 °C

2: 94 percent / 1-hydroxybenzotriazole; 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimide methyliodide / CH₂Cl₂ / 20 °C

3: 88 percent / aq. NH₂NH₂ / methanol / 2.5 h / 20 °C

With benzotriazol-1-ol; hydrazine hydrate; 1-[3-(dimethylamino)-propyl]-3-ethylcarbodiimide methiodide; trifluoroacetic acid; In methanol; dichloromethane;

DOI:10.1021/ja029514j

upstream raw materials:

(S)-2-[(R)-2-(1,3-Dioxo-1,3-dihydro-isoindol-2-yloxy)-4-methyl-pentanoylaminooxy]-3-phenyl-propionic acid tert-butyl ester

(R)-4-methyl-2-phthalimidooxypentanoic acid

D-tert-butyl 2-phthalimid-N-oxy-4-methylpentanoate

2-aminooxy-3-phenyl-propionic acid tert-butyl ester

Downstream raw materials:

(S)-2-[(R)-2-(2-Benzyloxycarbonylamino-acetylaminooxy)-4-methyl-pentanoylaminooxy]-3-phenyl-propionic acid tert-butyl ester

2-{2-[2-(2-{2-[2-(1,3-dioxo-1,3-dihydro-isoindol-2-yloxy)-4-methyl-pentanoylaminooxy]-3-phenyl-propionylaminooxy}-4-methyl-pentanoylaminooxy)-3-phenyl-propionylaminooxy]-4-methyl-pentanoylaminooxy}-3-phenyl-propionic acid tert-butyl ester

(S)-2-[(R)-2-((S)-2-{(R)-2-[(S)-2-((R)-2-Aminooxy-4-methyl-pentanoylaminooxy)-3-phenyl-propionylaminooxy]-4-methyl-pentanoylaminooxy}-3-phenyl-propionylaminooxy)-4-methyl-pentanoylaminooxy]-3-phenyl-propionic acid tert-butyl ester

(S)-2-{(R)-2-[(S)-2-((R)-2-Aminooxy-4-methyl-pentanoylaminooxy)-3-phenyl-propionylaminooxy]-4-methyl-pentanoylaminooxy}-3-phenyl-propionic acid tert-butyl ester