(S)-Methyl-2-aMino-3-(tert-butoxycarbonylaMino)-3-Methylbutanoate

Base Information

• Chemical Name: (S)-Methyl-2-aMino-3-(tert-butoxycarbonylaMino)-3-Methylbutanoate
• CAS No.: 1093192-07-4
• Molecular Formula: C11H22N2O4
• Molecular Weight: 246.307
• Hs Code.: 2924199090
• Mol file: 1093192-07-4.mol

Synonyms:methyl (2S)-2-amino-3-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]butanoate; BOC-Me2DAP methyl ester; SC5015; S14-1535

Chemical Property of (S)-Methyl-2-aMino-3-(tert-butoxycarbonylaMino)-3-Methylbutanoate

Chemical Property:

• Boiling Point: 344.0±32.0 °C(Predicted)
• PKA: 12.02±0.46(Predicted)
• PSA: 94.14000
• Density: 1.070±0.06 g/cm3(Predicted)
• LogP: 1.69470
• Storage Temp.: Keep in dark place,Inert atmosphere,Store in freezer, under -20°C

Purity/Quality:

97% ^*data from raw suppliers

(S)-Methyl2-Amino-3-((tert-butoxycarbonyl)amino)-3-methylbutanoate ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of (S)-Methyl-2-aMino-3-(tert-butoxycarbonylaMino)-3-Methylbutanoate

There total 12 articles about (S)-Methyl-2-aMino-3-(tert-butoxycarbonylaMino)-3-Methylbutanoate 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: 95.0%

(S)-methyl 3-((tert-butoxycarbonyl)amino)-3-methyl-2-(((S)-1-phenylethyl)amino)butanoate (1093192-06-3) → (S)-2-amino-3-(tert-butoxycarbonylamino)-3-methylbutanoic acid methyl ester (1093192-07-4)

Guidance literature:

With hydrogen; palladium(II) hydroxide; In tetrahydrofuran; for 2h; under 757.576 Torr; Inert atmosphere;

Reference yield:

(S)-methyl 2-amino-3-(tert-butoxycarbonylamino)-3-methylbutanoate oxalate → (S)-2-amino-3-(tert-butoxycarbonylamino)-3-methylbutanoic acid methyl ester (1093192-07-4)

Guidance literature:

With potassium carbonate; In water; ethyl acetate; for 0.166667h; Cooling with ice;

Reference yield:

(S)-3-methyl-3-nitro-2-(((S)-1-phenylethyl)amino)butanoic acid (1093192-03-0) → (S)-2-amino-3-(tert-butoxycarbonylamino)-3-methylbutanoic acid methyl ester (1093192-07-4)

Guidance literature:

Multi-step reaction with 4 steps

1.1: caesium carbonate / N,N-dimethyl-formamide / 0.17 h / Inert atmosphere

1.2: 13.25 h / 0 - 20 °C / Inert atmosphere

1.3: pH 7 - 8

2.1: acetic acid / tetrahydrofuran / 3.33 h / 0 °C / Molecular sieve 4?; Inert atmosphere

2.2: 18 h / 0 - 20 °C

3.1: N-ethyl-N,N-diisopropylamine / tetrahydrofuran / 16 h / 20 °C / Inert atmosphere

4.1: hydrogen / palladium(II) hydroxide / tetrahydrofuran / 2 h / 757.58 Torr / Inert atmosphere

With hydrogen; caesium carbonate; acetic acid; N-ethyl-N,N-diisopropylamine; palladium(II) hydroxide; In tetrahydrofuran; N,N-dimethyl-formamide;

upstream raw materials:

(S)-methyl 3-((tert-butoxycarbonyl)amino)-3-methyl-2-(((S)-1-phenylethyl)amino)butanoate

(S)-3-methyl-3-nitro-2-(((S)-1-phenylethyl)amino)butanoic acid

(S)-methyl 3-methyl-3-nitro-2-(((S)-1-phenylethyl)amino)butanoate

(S)-methyl 3-amino-3-methyl-2-(((S)-1-phenylethyl)amino)butanoate

Downstream raw materials:

C₂₆H₃₄N₂O₆

(S)-N-(3-amino-1-(hydroxyamino)-3-methyl-1-oxobutan-2-yI)-4-(4-(2-aminophenyl)buta-1,3-diynyl)benzamide

C₂₃H₂₃N₃O₃

C₂₈H₃₁N₃O₅