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Picture of (2S)-4-oxo-4-phenylmethoxy-2-(phenylmethoxycarbonylamino)butanoic acid

(2S)-4-oxo-4-phenylmethoxy-2-(phenylmethoxycarbonylamino)butanoic acid

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Origin: China

Cas No: 3479-47-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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  • Products Specification
  • Product Description
  • Quick Details

    CAS No.:
    3479-47-8
    Other Names:
    Z-L-aspartic acid 4-benzyl ester
    MF:
    C19H19NO6
    EINECS No.:
    222-456
    Place of Origin:
    China
    Type:
    Pharmaceutical Intermediates
    Purity:
    99%
    Brand Name:
    puya
    Model Number:
    3479-47-8
    Application:
    /
    Appearance:
    white powder
    CAS:
    3479-47-8
    Assay:
    99.0 %min
    Grade:
    Phamaceutical Grade

    Packaging&Delivery

    Port
    Shanghai
    Lead Time:
    Quantity(Kilograms)1 - 1000>1000
    Est. Time(days)5To be negotiated
  • Property

    CAS No.: 3479-47-8 Formula: C19H19NO6 Molecular Weight: 357.35700

    Basic Info

    Chemical Name (2S)-4-oxo-4-phenylmethoxy-2-(phenylmethoxycarbonylamino)butanoic acid
    Synonyms

    Cbz-L-aspartic acid b-benzyl ester;
    N-Cbz-L-Asparticacid4-benzylester;
    4-Benzyl N-Cbz-L-aspartate;
    N-Carbobenzoxy-L-aspartic Acid 4-Benzyl Ester;
    4-Benzyl N-Carbobenzoxy-L-aspartate;
    N-Cbz-L-aspartic Acid 4-Benzyl Ester;
    Z-Asp(OBzl)-OH;
    N-Benzyloxycarbonyl-L-Aspartic Acid 4-Benzyl Ester;
    Z-L-aspartic acid 4-benzyl ester;

    CAS No. 3479-47-8
    Molecular Formula C19H19NO6
    Molecular Weight 357.35700
    PSA 101.93000
    LogP 2.89040

    Properties

    Appearance & Physical State White to off-white powder
    Density 1.293 g/cm3
    Boiling Point 587.4ºC at 760 mmHg
    Melting Point 105-107ºC
    Flash Point 309.1ºC
    Refractive Index 1.581
    Storage Condition Store at RT.

    Safety Info

    HS Code 2924299090

    Synthesis Route

    CBZ-ASP(OBZL)-OBZL(2S)-4-oxo-4-phenylmethoxy-2-(phenylmethoxycarbonylamino)butanoic acid
    (2S)-2-amino-4-oxo-4-phenylmethoxybutanoic acid+Benzyl chloroformate(2S)-4-oxo-4-phenylmethoxy-2-(phenylmethoxycarbonylamino)butanoic acid
    3-Pyridinemethanol+Isopropenyl chloroformate(2S)-4-oxo-4-phenylmethoxy-2-(phenylmethoxycarbonylamino)butanoic acid+N-Carbobenzyloxy-L-aspartic Acid 1-Benzyl Ester

    Precursor

    Benzyl chloroformate
    Isopropenyl chloroformate
    (2S)-2-amino-4-oxo-4-phenylmethoxybutanoic acid
    CBZ-ASP(OBZL)-OBZL

    Downstream Product

    (2S)-2-amino-4-oxo-4-phenylmethoxybutanoic acid
    4-anilino-3-(methylamino)butan-1-ol
    Benzyl (S)-(-)-Tetrahydro-5-Oxo-3-Furanylcarbamate
    N-Methyl-L-aspartic acid

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