valyltyrosylproline benzyl ester

Base Information

• Chemical Name: valyltyrosylproline benzyl ester
• CAS No.: 78819-67-7
• Molecular Formula: C₂₆H₃₃N₃O₅
• Molecular Weight: 467.565
• Mol file: 78819-67-7.mol

Synonyms:valyltyrosylproline benzyl ester

Chemical Property of valyltyrosylproline benzyl ester

Chemical Property:

Purity/Quality:

Safty Information:

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MSDS Files:

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Technology Process of valyltyrosylproline benzyl ester

There total 7 articles about valyltyrosylproline 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:

benzyl (2S)-2-pyrrolidinecarboxylate hydrochloride (16652-71-4) → valyltyrosylproline benzyl ester (78819-67-7)

Guidance literature:

Multi-step reaction with 2 steps

1: 40 percent / triethylamine, 2-ethoxy-1-ethoxycarbonyl-1,2-dihydroquinoline / CH₂Cl₂ / 42 h / 17 - 20 °C

2: 1.) trifluoroacetic acid, 2.) aq. NH₄OH / 1.) 15 - 17 deg C, 80 min, 2.) CH₂Cl₂

With ammonium hydroxide; N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline; triethylamine; trifluoroacetic acid; In dichloromethane;

DOI:10.1007/BF00579967

Reference yield:

Nα-tert-butoxycarbonylvalyltyrosine (77456-95-2) → valyltyrosylproline benzyl ester (78819-67-7)

Guidance literature:

Multi-step reaction with 2 steps

1: 40 percent / triethylamine, 2-ethoxy-1-ethoxycarbonyl-1,2-dihydroquinoline / CH₂Cl₂ / 42 h / 17 - 20 °C

2: 1.) trifluoroacetic acid, 2.) aq. NH₄OH / 1.) 15 - 17 deg C, 80 min, 2.) CH₂Cl₂

With ammonium hydroxide; N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline; triethylamine; trifluoroacetic acid; In dichloromethane;

DOI:10.1007/BF00579967

Reference yield:

(S)-N-(benzyloxycarbonyl)valine (1149-26-4) → valyltyrosylproline benzyl ester (78819-67-7)

Guidance literature:

Multi-step reaction with 4 steps

1: water containing ethyl acetate; ethynyl-ethyl ether

2: aqueous NaOH; acetone

3: ethoxyacetylene; water containing ethyl acetate

4: HBr; acetic acid

With sodium hydroxide; hydrogen bromide; methyl-propargyl ether; acetic acid; ethyl acetate; acetone; 1-ethoxyacetylene;

upstream raw materials:

N^α-tert-butoxycarbonylvalyltyrosylproline benzyl ester

N^α-tert-butoxycarbonylvalyltyrosine

benzyl (2S)-2-pyrrolidinecarboxylate hydrochloride

N^α-tert-butoxycarbonylvalyltyrosine hydrazide

Downstream raw materials:

HValLys(Z)ValTyrProOBzl

N^α-tert-butoxycarbonylvalyl-N^ε-benzyloxycarbonyllysylvalyltyrosylproline benzyl ester