mTOR-IN-1

Modify Date: 2024-01-05 18:28:07

mTOR-IN-1 Structure
mTOR-IN-1 structure
Common Name mTOR-IN-1
CAS Number 1207358-59-5 Molecular Weight 474.55800
Density N/A Boiling Point N/A
Molecular Formula C25H30N8O2 Melting Point N/A
MSDS N/A Flash Point N/A

 Use of mTOR-IN-1


mTOR-IN-1 is a remarkably selective mTOR inhibitor with a Ki of 1.5 nM. mTOR-IN-1 suppresses mTORC1 and mTORC2 in cellular and in vivo pharmacokinetic (PK)/pharmacodynamic (PD) experiments.

 Names

Name 1-ethyl-3-[4-[4-[(3S)-3-methylmorpholin-4-yl]-7-pyrimidin-2-yl-6,8-dihydro-5H-pyrido[3,4-d]pyrimidin-2-yl]phenyl]urea
Synonym More Synonyms

 mTOR-IN-1 Biological Activity

Description mTOR-IN-1 is a remarkably selective mTOR inhibitor with a Ki of 1.5 nM. mTOR-IN-1 suppresses mTORC1 and mTORC2 in cellular and in vivo pharmacokinetic (PK)/pharmacodynamic (PD) experiments.
Related Catalog
Target

mTOR:1.5 nM (Ki)

mTORC1

mTORC2

In Vitro mTOR-IN-1 (Compound 12i) inhibits mTOR with a Ki of 1.5 nM, 500-fold selectivity over closely related PI3 kinases. mTOR-IN-1 inhibits NCI-PC3 and MCF7neo/Her2 cells proliferation with IC50s of 150 nM and 57 nM, respectively[2].
In Vivo mTOR-IN-1 (Compound 8h) has high free plasma clearance in both mice (1818 mL/min/kg) and rats (1538 mL/min/kg in rat) [1]. mTOR-IN-1 (Compounds 12i) is selected for this study due to its potency, selectivity, and favorable mouse PK profile. Plasma levels of mTOR-IN-1 6 h following oral administration in PC3 tumor-bearing mice along with the fold decreases of phosphorylated mTORC1 and -2 substrates relative to time-matched vehicle controls. mTOR-IN-1 has moderate terminal elimination half-life (t1/2=1.7 h for mouse(1 mg/kg, iv)). mTOR-IN-1 achieves tumor stasis at the highest 200 mg/kg/day dose examined, which appears to also be approaching the limit of tolerability for this molecule[2].
Animal Admin Mice[2] Human prostate cancer NCI-PC3 cells are implanted subcutaneously into the right hind flanks of female NCR nude mice (5×106 cells in 100 μL of Hank’s balanced salt solution). Tumors are monitored until they reach a mean tumor volume of approximately 500 mm3. Then similarly sized tumors are randomly assigned to groups (n=4). Compounds are formulated as suspensions in 0.5% methylcellulose/0.2% Tween 80 (MCT) and dosed orally at 25, 50, and 100 mg/kg (100 μL dose/25 g animal). Tumor and plasma samples are harvested at 1, 6, and 10 h postdose.
References

[1]. Pei Z, et al. Discovery and Biological Profiling of Potent and Selective mTOR Inhibitor GDC-0349. ACS Med Chem Lett. 2012 Nov 29;4(1):103-7.

[2]. Koehler MF, et al. Potent, selective, and orally bioavailable inhibitors of the mammalian target of rapamycin kinase domain exhibiting single agent antiproliferative activity. J Med Chem. 2012 Dec 27;55(24):10958-71.

 Chemical & Physical Properties

Molecular Formula C25H30N8O2
Molecular Weight 474.55800
Exact Mass 474.24900
PSA 111.89000
LogP 3.27020

 Synonyms

mTOR inhibitor
CS-1383
mTOR-IN-1
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