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Home > All categories> Biochemicals and Pharmaceutical Chemicals> Active Pharmaceutical Ingredients (APIs)> Respiratory system> ethyl 7,8-dimethoxy-4-oxo-1H-pyrimido[4,5-b]quinoline-2-carboxylate
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ethyl 7,8-dimethoxy-4-oxo-1H-pyrimido[4,5-b]quinoline-2-carboxylate

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Origin: China

Cas No: 55149-05-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

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

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  • Products Specification
  • Product Description

  • Property

    CAS No.: 55149-05-8 Formula: C16H15N3O5 Molecular Weight: 329.30700

    Basic Info

    Chemical Name ethyl 7,8-dimethoxy-4-oxo-1H-pyrimido[4,5-b]quinoline-2-carboxylate
    Synonyms

    PIROLATE;
    Pirolatum [INN-Latin];
    Pirolato;
    ethyl 7,8-dimethoxy-pyrimido[4,5-b]quinolin-4(3H)-one-2-carboxylate;
    Pirolato [INN-Spanish];
    CP-32,387;
    Ethyl 1,4-dihydro-7,8-dimethoxy-4-oxopyrimido(4,5-b)quinoline-2-carboxylate;
    Pyrimido(4,5-b)quinoline-2-carboxylic acid,1,4-dihydro-7,8-dimethoxy-4-oxo-,ethyl ester;
    ethyl 7,8-dimethoxy-3,4-dihydro-4-oxopyrimido<4,5-b>quinoline-2-carboxylate;
    7,8-dimethoxy-4-oxo-3,4-dihydro-pyrimido[4,5-b]quinoline-2-carboxylic acid ethyl ester;

    CAS No. 55149-05-8
    Molecular Formula C16H15N3O5
    Molecular Weight 329.30700
    PSA 103.40000
    LogP 1.66520

    Properties

    Density 1.43g/cm3
    Boiling Point 518.8ºC at 760 mmHg
    Flash Point 267.5ºC
    Refractive Index 1.641

    Safety Info

    HS Code 2933990090

    Synthesis Route

    2-amino-6,7-dimethoxyquinoline-3-carboxamide+Diethyl oxalate→ethyl 7,8-dimethoxy-4-oxo-1H-pyrimido[4,5-b]quinoline-2-carboxylate
    4,5-dimethoxy-2-nitrobenzaldehyde→ethyl 7,8-dimethoxy-4-oxo-1H-pyrimido[4,5-b]quinoline-2-carboxylate
    α-cyano-β-(2-nitro-4,5-dimethoxyphenyl)acrylamide→ethyl 7,8-dimethoxy-4-oxo-1H-pyrimido[4,5-b]quinoline-2-carboxylate

    Precursor

    Diethyl oxalate
    α-cyano-β-(2-nitro-4,5-dimethoxyphenyl)acrylamide
    4,5-dimethoxy-2-nitrobenzaldehyde
    2-amino-6,7-dimethoxyquinoline-3-carboxamide

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