GDC-0623 - CAS 1168091-68-6
Catalog number: 1168091-68-6
Category: Inhibitor
Not Intended for Therapeutic Use. For research use only.
COA:
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Targets:
MEK
Description:
GDC-0623 is an orally active, selective MEK inhibitor with potential antineoplastic activity. MEK inhibitor GDC-0623 specifically inhibits mitogen-activated protein kinase kinase (MEK or MAP/ERK kinase), resulting in inhibition of growth factor-mediated cell signaling and tumor cell proliferation. MEK is a key component of the RAS/RAF/MEK/ERK signaling pathway that regulates cell growth; constitutive activation of this pathway has been implicated in many cancers.
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Synonyms:
GDC-0623; GDC0632; GDC 0632.
MSDS:
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Current Developer:
Genentech.
1.Elucidating the Mechanisms of Formation for Two Unusual Cytochrome P450-Mediated Fused Ring Metabolites of GDC-0623, a MAPK/ERK Kinase Inhibitor.
Takahashi RH1, Ma S2, Robinson SJ2, Yue Q2, Choo EF2, Khojasteh SC2. Drug Metab Dispos. 2015 Dec;43(12):1929-33. doi: 10.1124/dmd.115.067181. Epub 2015 Oct 5.
Two isomeric metabolites of GDC-0623 [5-((2-fluoro-4-iodophenyl)amino)-N-(2-hydroxyethoxy)imidazo[1,5-a]pyridine-6-carboxamide], a mitogen-activated protein kinase/extracellular signal-regulated kinase (MAPK/ERK) kinase inhibitor, were identified in radiolabeled mass balance studies in rats and dogs (approximately 5% in excreta) and were also observed in human circulation (nonradiolabeled). Mass spectrometric data indicated that both metabolites had formed a new ring structure fused to the imidazopyridine core. Given their unusual structures, we conducted experiments to elucidate their chemical structures and understand the mechanisms for their formation. For the first metabolite, M14, a pyrazol-3-ol ring was generated by N-N bond formation between the aniline and hydroxamate. For the second metabolite, M13, an imidazol-2-one was generated by a Hofmann-type rearrangement that involved C-C bond cleavage and C-N bond formation. Both reactions were catalyzed by CYP2C9 and CYP2C19.
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CAS 1168091-68-6 GDC-0623

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