(S)-2,4-Bis-[(S)-2-tert-butoxycarbonylamino-3-(4-nitro-phenyl)-propionylamino]-butyric acid

Base Information

Chemical Name:(S)-2,4-Bis-[(S)-2-tert-butoxycarbonylamino-3-(4-nitro-phenyl)-propionylamino]-butyric acid
CAS No.:295321-40-3
Molecular Formula:C₃₂H₄₂N₆O₁₂
Molecular Weight:702.718
Hs Code.:

Synonyms:(S)-2,4-Bis-[(S)-2-tert-butoxycarbonylamino-3-(4-nitro-phenyl)-propionylamino]-butyric acid

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of (S)-2,4-Bis-[(S)-2-tert-butoxycarbonylamino-3-(4-nitro-phenyl)-propionylamino]-butyric acid

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Technology Process of (S)-2,4-Bis-[(S)-2-tert-butoxycarbonylamino-3-(4-nitro-phenyl)-propionylamino]-butyric acid

There total 1 articles about (S)-2,4-Bis-[(S)-2-tert-butoxycarbonylamino-3-(4-nitro-phenyl)-propionylamino]-butyric acid 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: 75.0%

: 1758-80-1
L-2,4-diaminobutyrate

: 53871-85-5
Boc-Phe(pNO₂)-OSu

: 295321-40-3
(S)-2,4-Bis-[(S)-2-tert-butoxycarbonylamino-3-(4-nitro-phenyl)-propionylamino]-butyric acid

Guidance literature:: With 4-methyl-morpholine; In N,N-dimethyl-formamide; at 20 ℃; for 8h;

Reference yield:

: 295321-40-3
(S)-2,4-Bis-[(S)-2-tert-butoxycarbonylamino-3-(4-nitro-phenyl)-propionylamino]-butyric acid

: 295321-65-2
(S)-2-Amino-N-{(S)-3-[(S)-2-amino-3-(4-amino-phenyl)-propionylamino]-1-hydroxymethyl-propyl}-3-(4-amino-phenyl)-propionamide

Guidance literature:: Multi-step reaction with 4 steps

1: NMM / tetrahydrofuran / 0.33 h / -15 °C

2: 83 percent / NaBH₄ / tetrahydrofuran; ethanol / 0.42 h / 0 - 20 °C

3: 89 percent / TFA; anisole / H₂O / 0.67 h

4: 83 percent / H₂ / Pd/C / methanol / 0.1 h / 20 °C / 760 Torr

With 4-methyl-morpholine; sodium tetrahydroborate; hydrogen; methoxybenzene; trifluoroacetic acid; palladium on activated charcoal; In tetrahydrofuran; methanol; ethanol; water; 1: Acylation / 2: Reduction / 3: amide cleavage / 4: Catalytic hydrogenation;

Reference yield:

: 295321-40-3
(S)-2,4-Bis-[(S)-2-tert-butoxycarbonylamino-3-(4-nitro-phenyl)-propionylamino]-butyric acid

: (2-(4-amino-phenyl)-1-{3-[3-(4-amino-phenyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-propionylamino]-1-hydroxymethyl-propylcarbamoyl}-ethyl)-carbamic acid 9H-fluoren-9-ylmethyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: NMM / tetrahydrofuran / 0.33 h / -15 °C

2: 83 percent / NaBH₄ / tetrahydrofuran; ethanol / 0.42 h / 0 - 20 °C

3: 89 percent / TFA; anisole / H₂O / 0.67 h

4: 83 percent / H₂ / Pd/C / methanol / 0.1 h / 20 °C / 760 Torr

5: 77 percent / NMM / dimethylformamide / 0.13 h / 20 °C

With 4-methyl-morpholine; sodium tetrahydroborate; hydrogen; methoxybenzene; trifluoroacetic acid; palladium on activated charcoal; In tetrahydrofuran; methanol; ethanol; water; N,N-dimethyl-formamide; 1: Acylation / 2: Reduction / 3: amide cleavage / 4: Catalytic hydrogenation / 5: Acylation;