((S)-2-{(S)-4-[(S)-2-tert-Butoxycarbonylamino-3-(4-hydroxy-phenyl)-propionyl]-3-methyl-2-oxo-piperazin-1-yl}-3-phenyl-propionylamino)-acetic acid ethyl ester

Base Information

Chemical Name:((S)-2-{(S)-4-[(S)-2-tert-Butoxycarbonylamino-3-(4-hydroxy-phenyl)-propionyl]-3-methyl-2-oxo-piperazin-1-yl}-3-phenyl-propionylamino)-acetic acid ethyl ester
CAS No.:201293-47-2
Molecular Formula:C₃₂H₄₂N₄O₈
Molecular Weight:610.707
Hs Code.:

((S)-2-{(S)-4-[(S)-2-tert-Butoxycarbonylamino-3-(4-hydroxy-phenyl)-propionyl]-3-methyl-2-oxo-piperazin-1-yl}-3-phenyl-propionylamino)-acetic acid ethyl ester

Synonyms:((S)-2-{(S)-4-[(S)-2-tert-Butoxycarbonylamino-3-(4-hydroxy-phenyl)-propionyl]-3-methyl-2-oxo-piperazin-1-yl}-3-phenyl-propionylamino)-acetic acid ethyl ester

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Chemical Property of ((S)-2-{(S)-4-[(S)-2-tert-Butoxycarbonylamino-3-(4-hydroxy-phenyl)-propionyl]-3-methyl-2-oxo-piperazin-1-yl}-3-phenyl-propionylamino)-acetic acid ethyl ester

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Technology Process of ((S)-2-{(S)-4-[(S)-2-tert-Butoxycarbonylamino-3-(4-hydroxy-phenyl)-propionyl]-3-methyl-2-oxo-piperazin-1-yl}-3-phenyl-propionylamino)-acetic acid ethyl ester

There total 6 articles about ((S)-2-{(S)-4-[(S)-2-tert-Butoxycarbonylamino-3-(4-hydroxy-phenyl)-propionyl]-3-methyl-2-oxo-piperazin-1-yl}-3-phenyl-propionylamino)-acetic 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: 90.0%

: 20866-56-2
2,5-dioxopyrrolidin-1-yl N-(tert-butoxycarbonyl)-L-tyrosinate

: [(S)-2-((S)-3-Methyl-2-oxo-piperazin-1-yl)-3-phenyl-propionylamino]-acetic acid ethyl ester; hydrobromide

: 201293-47-2
((S)-2-{(S)-4-[(S)-2-tert-Butoxycarbonylamino-3-(4-hydroxy-phenyl)-propionyl]-3-methyl-2-oxo-piperazin-1-yl}-3-phenyl-propionylamino)-acetic acid ethyl ester

Guidance literature:: With pyridine; In dichloromethane; for 48h; Ambient temperature;
DOI:10.1248/cpb.45.1940

Reference yield:

: 63-91-2,25191-15-5,658-69-5,67675-33-6
L-phenylalanine

: 201293-47-2
((S)-2-{(S)-4-[(S)-2-tert-Butoxycarbonylamino-3-(4-hydroxy-phenyl)-propionyl]-3-methyl-2-oxo-piperazin-1-yl}-3-phenyl-propionylamino)-acetic acid ethyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: 1.) aq. K₂CO₃, NaOH, 2.) conc. H₂SO₄ / 1.) 90 deg C, 5 h, 2.) EtOH, reflux, 24 h

2: 80 percent / CH₂Cl₂ / 24 h / Ambient temperature

3: 87 percent / aq. NaOH / methanol / 5 h / Ambient temperature

4: 80 percent / DCC, HOBt / tetrahydrofuran / 48 h / Ambient temperature

5: 70 percent / 25percent HBr/AcOH / 2 h / Ambient temperature

6: 90 percent / pyridine / CH₂Cl₂ / 48 h / Ambient temperature

With pyridine; sodium hydroxide; sulfuric acid; hydrogen bromide; potassium carbonate; benzotriazol-1-ol; acetic acid; dicyclohexyl-carbodiimide; In tetrahydrofuran; methanol; dichloromethane;
DOI:10.1248/cpb.45.1940

Reference yield:

: 201293-39-2
(S)-2-((S)-3-Methyl-2-oxo-piperazin-1-yl)-3-phenyl-propionic acid ethyl ester

: 201293-47-2
((S)-2-{(S)-4-[(S)-2-tert-Butoxycarbonylamino-3-(4-hydroxy-phenyl)-propionyl]-3-methyl-2-oxo-piperazin-1-yl}-3-phenyl-propionylamino)-acetic acid ethyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 80 percent / CH₂Cl₂ / 24 h / Ambient temperature

2: 87 percent / aq. NaOH / methanol / 5 h / Ambient temperature

3: 80 percent / DCC, HOBt / tetrahydrofuran / 48 h / Ambient temperature

4: 70 percent / 25percent HBr/AcOH / 2 h / Ambient temperature

5: 90 percent / pyridine / CH₂Cl₂ / 48 h / Ambient temperature

With pyridine; sodium hydroxide; hydrogen bromide; benzotriazol-1-ol; acetic acid; dicyclohexyl-carbodiimide; In tetrahydrofuran; methanol; dichloromethane;
DOI:10.1248/cpb.45.1940