3-(4,5-Bis-benzyloxy-2-nitro-phenyl)-2-(2,5-dioxo-pyrrolidin-1-yl)-propionic acid ethyl ester

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Chemical Name:3-(4,5-Bis-benzyloxy-2-nitro-phenyl)-2-(2,5-dioxo-pyrrolidin-1-yl)-propionic acid ethyl ester
CAS No.:128217-81-2
Molecular Formula:C₂₉H₂₈N₂O₈
Molecular Weight:532.55
Hs Code.:

Synonyms:3-(4,5-Bis-benzyloxy-2-nitro-phenyl)-2-(2,5-dioxo-pyrrolidin-1-yl)-propionic acid ethyl ester

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Chemical Property of 3-(4,5-Bis-benzyloxy-2-nitro-phenyl)-2-(2,5-dioxo-pyrrolidin-1-yl)-propionic acid ethyl ester

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Technology Process of 3-(4,5-Bis-benzyloxy-2-nitro-phenyl)-2-(2,5-dioxo-pyrrolidin-1-yl)-propionic acid ethyl ester

There total 3 articles about 3-(4,5-Bis-benzyloxy-2-nitro-phenyl)-2-(2,5-dioxo-pyrrolidin-1-yl)-propionic 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: 94.0%

: 128217-71-0
3-(3,4-Bis-benzyloxy-phenyl)-2-(2,5-dioxo-pyrrolidin-1-yl)-propionic acid ethyl ester

: 128217-81-2
3-(4,5-Bis-benzyloxy-2-nitro-phenyl)-2-(2,5-dioxo-pyrrolidin-1-yl)-propionic acid ethyl ester

Guidance literature:: With nitric acid; In acetic acid; at 0 ℃; for 2h;
DOI:10.1021/jo00301a008

Reference yield:

: 63-84-3,90638-38-3
dopa

: 128217-81-2
3-(4,5-Bis-benzyloxy-2-nitro-phenyl)-2-(2,5-dioxo-pyrrolidin-1-yl)-propionic acid ethyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: SOCl₂ / 48 h / Ambient temperature

2: 1.) NaHCO₃, 2.) K₂CO₃, NaI / 1.) water, THF, overnight, 2.) ethanol, reflux, 4 h

3: 94 percent / nitric acid (d = 1.4) / acetic acid / 2 h / 0 °C

With thionyl chloride; nitric acid; sodium hydrogencarbonate; potassium carbonate; sodium iodide; In acetic acid;
DOI:10.1021/jo00301a008

Reference yield:

: 23234-41-5
L-Dopa ethyl ester hydrochloride

: 128217-81-2
3-(4,5-Bis-benzyloxy-2-nitro-phenyl)-2-(2,5-dioxo-pyrrolidin-1-yl)-propionic acid ethyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) NaHCO₃, 2.) K₂CO₃, NaI / 1.) water, THF, overnight, 2.) ethanol, reflux, 4 h

2: 94 percent / nitric acid (d = 1.4) / acetic acid / 2 h / 0 °C

With nitric acid; sodium hydrogencarbonate; potassium carbonate; sodium iodide; In acetic acid;
DOI:10.1021/jo00301a008