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Cilobamine
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    Cilobamine

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    Cilobamine
    Cilobamine clear.svg
    Clinical data
    ATC code
    • none
    Identifiers
    • (2R,3R)-2-(3,4-Dichlorophenyl)-3-[(1-methylethyl)amino]bicyclo[2.2.2]octan-2-ol
    CAS Number
    PubChem CID
    ChemSpider
    UNII
    ChEMBL
    Chemical and physical data
    Formula C17H23Cl2NO
    Molar mass 328.28 g·mol−1
    3D model (JSmol)
    • Clc1ccc(cc1Cl)[C@@]3(O)[C@H](NC(C)C)C2CCC3CC2

    Cilobamine is a drug which acts as a norepinephrine-dopamine reuptake inhibitor (NDRI) and has stimulant and antidepressant effects.

    It can clearly be seen that the structure is based on dichloroisoprenaline that has been fused onto the bicycloalkane scaffold.

    Synthesis

    Patent:

    An intramolecular Dieckmann cyclization on methyl 4-(2-methoxy-2-oxoethyl)cyclohexanecarboxylate [1401222-79-4] (3) with sodium hydride base gives reaction Methyl 3-oxobicyclo[2.2.2]octane-2-carboxylate [30144-30-0] (4). Treatment with sodium nitrite introduces a isonitroso group adjacent to the ketone, giving 3-Hydroxyiminobicyclo[2.2.2]octan-2-one, CID:131066320 (5). Addition of the aryl Grignard reagent, and reduction of the oxime gives CID:154108204 (6). A reductive amination of the primary amino group with acetone then completed the synthesis of cilobamine (7).

    See also


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