{(S)-2-[3-((S)-2-Amino-4-methyl-pentanoyl)-3,4-dihydro-1H-phthalazin-2-yl]-1-methyl-2-oxo-ethyl}-carbamic acid benzyl ester

Base Information

• Chemical Name: {(S)-2-[3-((S)-2-Amino-4-methyl-pentanoyl)-3,4-dihydro-1H-phthalazin-2-yl]-1-methyl-2-oxo-ethyl}-carbamic acid benzyl ester
• CAS No.: 159720-66-8
• Molecular Formula: C₂₅H₃₂N₄O₄
• Molecular Weight: 452.553
• Mol file: 159720-66-8.mol

Synonyms:

Chemical Property of {(S)-2-[3-((S)-2-Amino-4-methyl-pentanoyl)-3,4-dihydro-1H-phthalazin-2-yl]-1-methyl-2-oxo-ethyl}-carbamic acid benzyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of {(S)-2-[3-((S)-2-Amino-4-methyl-pentanoyl)-3,4-dihydro-1H-phthalazin-2-yl]-1-methyl-2-oxo-ethyl}-carbamic acid benzyl ester

There total 4 articles about {(S)-2-[3-((S)-2-Amino-4-methyl-pentanoyl)-3,4-dihydro-1H-phthalazin-2-yl]-1-methyl-2-oxo-ethyl}-carbamic 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:

{(S)-1-[3-((S)-2-Benzyloxycarbonylamino-propionyl)-3,4-dihydro-1H-phthalazine-2-carbonyl]-3-methyl-butyl}-carbamic acid 9H-fluoren-9-ylmethyl ester (153647-56-4) → {(S)-2-[3-((S)-2-Amino-4-methyl-pentanoyl)-3,4-dihydro-1H-phthalazin-2-yl]-1-methyl-2-oxo-ethyl}-carbamic acid benzyl ester (159720-66-8)

Guidance literature:

With dimethyl amine; In tetrahydrofuran; for 1h;

DOI:10.1016/S0040-4039(00)61615-5

Reference yield:

N-Cbz-Ala (1142-20-7) → {(S)-2-[3-((S)-2-Amino-4-methyl-pentanoyl)-3,4-dihydro-1H-phthalazin-2-yl]-1-methyl-2-oxo-ethyl}-carbamic acid benzyl ester (159720-66-8)

Guidance literature:

Multi-step reaction with 3 steps

1: 88 percent / benzotriazol-1-yl-oxy-tris(dimethylamino)phosphonium hexafluorophosphate, N,N-diisopropylethylamine / CH₂Cl₂ / 0.5 h

2: 97 percent / 2,6-di-tert-butylpyridine / CH₂Cl₂ / 0.08 h

3: 40 percent aq. N,N-dimethylamine / tetrahydrofuran / 1 h

With 2,6-di-tert-butyl-pyridine; (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; dimethyl amine; N-ethyl-N,N-diisopropylamine; In tetrahydrofuran; dichloromethane;

DOI:10.1016/S0040-4039(00)61615-5

Reference yield:

1,2,3,4-tetrahydrophthalazine hydrochloride (60789-87-9) → {(S)-2-[3-((S)-2-Amino-4-methyl-pentanoyl)-3,4-dihydro-1H-phthalazin-2-yl]-1-methyl-2-oxo-ethyl}-carbamic acid benzyl ester (159720-66-8)

Guidance literature:

Multi-step reaction with 3 steps

1: 88 percent / benzotriazol-1-yl-oxy-tris(dimethylamino)phosphonium hexafluorophosphate, N,N-diisopropylethylamine / CH₂Cl₂ / 0.5 h

2: 97 percent / 2,6-di-tert-butylpyridine / CH₂Cl₂ / 0.08 h

3: 40 percent aq. N,N-dimethylamine / tetrahydrofuran / 1 h

With 2,6-di-tert-butyl-pyridine; (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; dimethyl amine; N-ethyl-N,N-diisopropylamine; In tetrahydrofuran; dichloromethane;

DOI:10.1016/S0040-4039(00)61615-5

upstream raw materials:

{(S)-1-[3-((S)-2-Benzyloxycarbonylamino-propionyl)-3,4-dihydro-1H-phthalazine-2-carbonyl]-3-methyl-butyl}-carbamic acid 9H-fluoren-9-ylmethyl ester

N-Cbz-Ala

1,2,3,4-tetrahydrophthalazine hydrochloride

[(S)-2-(3,4-Dihydro-1H-phthalazin-2-yl)-1-methyl-2-oxo-ethyl]-carbamic acid benzyl ester