(R)-2-{(S)-2-[(R)-2-((S)-2-Benzyloxycarbonylamino-propionylamino)-3-methyl-butyrylamino]-3-methyl-butyrylamino}-3-methyl-butyric acid

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Chemical Name:(R)-2-{(S)-2-[(R)-2-((S)-2-Benzyloxycarbonylamino-propionylamino)-3-methyl-butyrylamino]-3-methyl-butyrylamino}-3-methyl-butyric acid
CAS No.:1041194-66-4
Molecular Formula:C₂₆H₄₀N₄O₇
Molecular Weight:520.626
Hs Code.:

Synonyms:(R)-2-{(S)-2-[(R)-2-((S)-2-Benzyloxycarbonylamino-propionylamino)-3-methyl-butyrylamino]-3-methyl-butyrylamino}-3-methyl-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 (R)-2-{(S)-2-[(R)-2-((S)-2-Benzyloxycarbonylamino-propionylamino)-3-methyl-butyrylamino]-3-methyl-butyrylamino}-3-methyl-butyric acid

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Technology Process of (R)-2-{(S)-2-[(R)-2-((S)-2-Benzyloxycarbonylamino-propionylamino)-3-methyl-butyrylamino]-3-methyl-butyrylamino}-3-methyl-butyric acid

There total 8 articles about (R)-2-{(S)-2-[(R)-2-((S)-2-Benzyloxycarbonylamino-propionylamino)-3-methyl-butyrylamino]-3-methyl-butyrylamino}-3-methyl-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:

: 2026-37-1
Z-Ala-D-Val-Val-D-Val-OMe

: 1041194-66-4
(R)-2-{(S)-2-[(R)-2-((S)-2-Benzyloxycarbonylamino-propionylamino)-3-methyl-butyrylamino]-3-methyl-butyrylamino}-3-methyl-butyric acid

Guidance literature:: With lithium hydroxide; In tetrahydrofuran; methanol; water; at 20 ℃; for 8h;
DOI:10.1016/S0040-4020(02)00179-5

Reference yield:

D-Valine methyl ester hydrochloride: 7146-15-8
D-Valine methyl ester hydrochloride

: 1041194-66-4
(R)-2-{(S)-2-[(R)-2-((S)-2-Benzyloxycarbonylamino-propionylamino)-3-methyl-butyrylamino]-3-methyl-butyrylamino}-3-methyl-butyric acid

Guidance literature:: Multi-step reaction with 4 steps

1: 93 percent / HOBt; NEt₃; EDC / CH₂Cl₂ / 12 h / 0 - 20 °C

2: LiOH / tetrahydrofuran; H₂O / 0 °C

3: 2.44 g / HOBt; DIEA; HBTU / CH₂Cl₂; dimethylformamide / 1 h / 0 °C

4: LiOH / tetrahydrofuran; H₂O; methanol / 8 h / 20 °C

With lithium hydroxide; benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; triethylamine; N-ethyl-N,N-diisopropylamine; In tetrahydrofuran; methanol; dichloromethane; water; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4020(02)00179-5

Reference yield:

: 1149-26-4
(S)-N-(benzyloxycarbonyl)valine

: 1041194-66-4
(R)-2-{(S)-2-[(R)-2-((S)-2-Benzyloxycarbonylamino-propionylamino)-3-methyl-butyrylamino]-3-methyl-butyrylamino}-3-methyl-butyric acid

Guidance literature:: Multi-step reaction with 4 steps

1: 90 percent / HOBt; NEt₃; EDC / CH₂Cl₂ / 18 h / 20 °C

2: H₂ / 15 percent Pd/C / 750.06 Torr

3: 2.44 g / HOBt; DIEA; HBTU / CH₂Cl₂; dimethylformamide / 1 h / 0 °C

4: LiOH / tetrahydrofuran; H₂O; methanol / 8 h / 20 °C

With lithium hydroxide; hydrogen; benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; triethylamine; N-ethyl-N,N-diisopropylamine; palladium on activated charcoal; In tetrahydrofuran; methanol; dichloromethane; water; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4020(02)00179-5