mTOR inhibitor
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mTOR inhibitor

9-(6-Aminopyridin-3-yl)-1-(3-(trifluoromethyl)-phenyl)benzo[h][1,6]naphthyridin-2(1H)-one (Torin2)



OTAVAchemicals Catalogue Number: 7070707148
CAS Registry Number: 1223001-51-1
Purity: 95%+ (HPLC)


Ref.: Liu, Wang, Kang, et al Discovery of 9-(6-aminopyridin-3-yl)-1-(3-(trifluoromethyl)phenyl)benzo[h][1,6]naphthyridin-2(1H)-one (Torin2) as a potent, selective, and orally available mammalian target of rapamycin (mTOR) inhibitor for treatment of cancer. J Med Chem. 2011, 54(5) 1473-80


Abstract: The mTOR mediated PI3K/AKT/mTOR signal transduction pathway has been demonstrated to play a key role in a broad spectrum of cancers. Starting from the mTOR selective inhibitor 1 (Torin1), a focused medicinal chemistry effort led to the discovery of an improved mTOR inhibitor 3 (Torin2), which possesses an EC(50) of 0.25 nM for inhibiting cellular mTOR activity. Compound 3 exhibited 800-fold selectivity over PI3K (EC(50): 200 nM) and over 100-fold binding selectivity relative to 440 other protein kinases. Compound 3 has significantly improved bioavailability (54%), metabolic stability, and plasma exposure relative to compound 1.