{5-Benzyloxy-2-[(S)-4-eth-(E)-ylidene-2-hydroxymethyl-pyrrolidine-1-carbonyl]-4-methoxy-phenyl}-carbamic acid 4-nitro-benzyl ester

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Chemical Name:{5-Benzyloxy-2-[(S)-4-eth-(E)-ylidene-2-hydroxymethyl-pyrrolidine-1-carbonyl]-4-methoxy-phenyl}-carbamic acid 4-nitro-benzyl ester
CAS No.:260391-63-7
Molecular Formula:C₃₀H₃₁N₃O₈
Molecular Weight:561.591
Hs Code.:

Synonyms:{5-Benzyloxy-2-[(S)-4-eth-(E)-ylidene-2-hydroxymethyl-pyrrolidine-1-carbonyl]-4-methoxy-phenyl}-carbamic acid 4-nitro-benzyl ester

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Chemical Property of {5-Benzyloxy-2-[(S)-4-eth-(E)-ylidene-2-hydroxymethyl-pyrrolidine-1-carbonyl]-4-methoxy-phenyl}-carbamic acid 4-nitro-benzyl ester

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Technology Process of {5-Benzyloxy-2-[(S)-4-eth-(E)-ylidene-2-hydroxymethyl-pyrrolidine-1-carbonyl]-4-methoxy-phenyl}-carbamic acid 4-nitro-benzyl ester

There total 5 articles about {5-Benzyloxy-2-[(S)-4-eth-(E)-ylidene-2-hydroxymethyl-pyrrolidine-1-carbonyl]-4-methoxy-phenyl}-carbamic acid 4-nitro-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: 76.0%

: 260391-62-6
(2-Amino-4-benzyloxy-5-methoxy-phenyl)-[(S)-4-eth-(E)-ylidene-2-hydroxymethyl-pyrrolidin-1-yl]-methanone

: 4457-32-3
4-nitrobenzyl chloroformate

: 260391-63-7
{5-Benzyloxy-2-[(S)-4-eth-(E)-ylidene-2-hydroxymethyl-pyrrolidine-1-carbonyl]-4-methoxy-phenyl}-carbamic acid 4-nitro-benzyl ester

Guidance literature:: With pyridine; In dichloromethane; at 0 ℃;
DOI:10.1016/S0960-894X(00)00404-2

Reference yield:

: 60547-92-4
4-(benzyloxy)-5-methoxy-2-nitrobenzoic acid

: 260391-63-7
{5-Benzyloxy-2-[(S)-4-eth-(E)-ylidene-2-hydroxymethyl-pyrrolidine-1-carbonyl]-4-methoxy-phenyl}-carbamic acid 4-nitro-benzyl ester

Guidance literature:: Multi-step reaction with 4 steps

1.1: (COCl)2; DMF / acetonitrile / 24 h

1.2: 66 percent / K₂CO₃ / acetonitrile / -25 °C

2.1: 100 percent / TBAF / tetrahydrofuran / 0 °C

3.1: 66 percent / SnCl₂; MeOH / Heating

4.1: 76 percent / pyridine / CH₂Cl₂ / 0 °C

With pyridine; methanol; oxalyl dichloride; tetrabutyl ammonium fluoride; N,N-dimethyl-formamide; tin(ll) chloride; In tetrahydrofuran; dichloromethane; acetonitrile; 1.1: Chlorination / 1.2: Acylation / 2.1: desilylation / 3.1: Reduction / 4.1: Acylation;
DOI:10.1016/S0960-894X(00)00404-2

Reference yield:

: (S)-2-(tert-Butyl-dimethyl-silanyloxymethyl)-4-eth-(E)-ylidene-pyrrolidine

: 260391-63-7
{5-Benzyloxy-2-[(S)-4-eth-(E)-ylidene-2-hydroxymethyl-pyrrolidine-1-carbonyl]-4-methoxy-phenyl}-carbamic acid 4-nitro-benzyl ester

Guidance literature:: Multi-step reaction with 4 steps

1.1: (COCl)2; DMF / acetonitrile / 24 h

1.2: 66 percent / K₂CO₃ / acetonitrile / -25 °C

2.1: 100 percent / TBAF / tetrahydrofuran / 0 °C

3.1: 66 percent / SnCl₂; MeOH / Heating

4.1: 76 percent / pyridine / CH₂Cl₂ / 0 °C

With pyridine; methanol; oxalyl dichloride; tetrabutyl ammonium fluoride; N,N-dimethyl-formamide; tin(ll) chloride; In tetrahydrofuran; dichloromethane; acetonitrile; 1.1: Chlorination / 1.2: Acylation / 2.1: desilylation / 3.1: Reduction / 4.1: Acylation;
DOI:10.1016/S0960-894X(00)00404-2