(2S,3R)-2-{(2S,3S)-2-[(2S,3S)-2-(Acetyl-methyl-amino)-3-methyl-pentanoylamino]-3-methyl-pentanoylamino}-3-(tert-butyl-diphenyl-silanyloxy)-butyric acid

Base Information

Chemical Name:(2S,3R)-2-{(2S,3S)-2-[(2S,3S)-2-(Acetyl-methyl-amino)-3-methyl-pentanoylamino]-3-methyl-pentanoylamino}-3-(tert-butyl-diphenyl-silanyloxy)-butyric acid
CAS No.:247068-80-0
Molecular Formula:C₃₅H₅₃N₃O₆Si
Molecular Weight:639.908
Hs Code.:

(2S,3R)-2-{(2S,3S)-2-[(2S,3S)-2-(Acetyl-methyl-amino)-3-methyl-pentanoylamino]-3-methyl-pentanoylamino}-3-(tert-butyl-diphenyl-silanyloxy)-butyric acid

Synonyms:(2S,3R)-2-{(2S,3S)-2-[(2S,3S)-2-(Acetyl-methyl-amino)-3-methyl-pentanoylamino]-3-methyl-pentanoylamino}-3-(tert-butyl-diphenyl-silanyloxy)-butyric acid

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Supply Marketing:

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

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Chemical Property of (2S,3R)-2-{(2S,3S)-2-[(2S,3S)-2-(Acetyl-methyl-amino)-3-methyl-pentanoylamino]-3-methyl-pentanoylamino}-3-(tert-butyl-diphenyl-silanyloxy)-butyric acid

Chemical Property:

Purity/Quality:: 98% ^*data from raw suppliers

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Useful:

Technology Process of (2S,3R)-2-{(2S,3S)-2-[(2S,3S)-2-(Acetyl-methyl-amino)-3-methyl-pentanoylamino]-3-methyl-pentanoylamino}-3-(tert-butyl-diphenyl-silanyloxy)-butyric acid

There total 7 articles about (2S,3R)-2-{(2S,3S)-2-[(2S,3S)-2-(Acetyl-methyl-amino)-3-methyl-pentanoylamino]-3-methyl-pentanoylamino}-3-(tert-butyl-diphenyl-silanyloxy)-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: 100.0%

: 247068-79-7
(2S,3R)-2-{(2S,3S)-2-[(2S,3S)-2-(Acetyl-methyl-amino)-3-methyl-pentanoylamino]-3-methyl-pentanoylamino}-3-(tert-butyl-diphenyl-silanyloxy)-butyric acid benzyl ester

: 247068-80-0
(2S,3R)-2-{(2S,3S)-2-[(2S,3S)-2-(Acetyl-methyl-amino)-3-methyl-pentanoylamino]-3-methyl-pentanoylamino}-3-(tert-butyl-diphenyl-silanyloxy)-butyric acid

Guidance literature:: With hydrogen; palladium 10% on activated carbon;

Reference yield:

: 71989-23-6,251316-98-0
Fmoc-Ile-OH

: 247068-80-0
(2S,3R)-2-{(2S,3S)-2-[(2S,3S)-2-(Acetyl-methyl-amino)-3-methyl-pentanoylamino]-3-methyl-pentanoylamino}-3-(tert-butyl-diphenyl-silanyloxy)-butyric acid

Guidance literature:: Multi-step reaction with 7 steps

1: 79 percent / HBTU, HOBt, i-Pr₂EtN / CH₂Cl₂ / 23 h / Ambient temperature

2: 64 percent / imidazole / tetrahydrofuran / 48 h / Ambient temperature

3: piperidine / dimethylformamide / 0.33 h / Ambient temperature

4: 99 percent / HBTU, HOBt, i-Pr₂EtN / CH₂Cl₂ / 18 h / Ambient temperature

5: 91 percent / piperidine / tetrahydrofuran / 26 h / Ambient temperature

6: 99 percent / i-Pr₂EtN / CH₂Cl₂ / 3.5 h / Ambient temperature

7: 88 percent / H₂ / 10 percent Pd/C / methanol / 1.5 h / Ambient temperature

With piperidine; 1H-imidazole; hydrogen; benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine; palladium on activated charcoal; In tetrahydrofuran; methanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/S0960-894X(99)00376-5

Reference yield:

: 247068-76-4
(2S,3R)-2-((2S,3S)-2-Amino-3-methyl-pentanoylamino)-3-(tert-butyl-diphenyl-silanyloxy)-butyric acid benzyl ester

: 247068-80-0
(2S,3R)-2-{(2S,3S)-2-[(2S,3S)-2-(Acetyl-methyl-amino)-3-methyl-pentanoylamino]-3-methyl-pentanoylamino}-3-(tert-butyl-diphenyl-silanyloxy)-butyric acid

Guidance literature:: Multi-step reaction with 4 steps

1: 99 percent / HBTU, HOBt, i-Pr₂EtN / CH₂Cl₂ / 18 h / Ambient temperature

2: 91 percent / piperidine / tetrahydrofuran / 26 h / Ambient temperature

3: 99 percent / i-Pr₂EtN / CH₂Cl₂ / 3.5 h / Ambient temperature

4: 88 percent / H₂ / 10 percent Pd/C / methanol / 1.5 h / Ambient temperature

With piperidine; hydrogen; benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine; palladium on activated charcoal; In tetrahydrofuran; methanol; dichloromethane;
DOI:10.1016/S0960-894X(99)00376-5