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HomeProduct name listOrantinib (SU6668)

Orantinib (SU6668)

Orantinib (SU6668) Structural

What is Orantinib (SU6668)?

The Uses of Orantinib (SU6668)

3-[2,4-dimethyl-5-[(E)-(2-oxo-1H-indol-3-ylidene)methyl]-1H-pyrrol-3-yl]propanoic acid is a potent inhibitor of Flk-1/KDR, FGFR1 and PDGFRβ with Ki of 2.1 μM, 1.2 μM, and 8 nM, respectively.

The Uses of Orantinib (SU6668)

TSU-68 is a inhibitor that targets vascular endothelial growth factor receptor 2, platelet-derived growth factor receptor β, and fibroblast growth factor receptor 1. The inhibitory effects of TSU-68 towards these growth factors lead to substantial antitumor activity and showed potential in its development in therapeutic uses.

What are the applications of Application

SU 6668 is an antiproliferating agent and ATP-competitive PDGFR, Flk-1/KDR (VEGF), and FGFR inhibitor

Definition

3-[2,4-dimethyl-5-[(E)-(2-oxo-1H-indol-3-ylidene)methyl]-1H-pyrrol-3-yl]propanoic acid is an oxindole that is 3-methyleneoxindole in which one of the hydrogens of the methylene group is substituted by a 2-(2-carboxyethyl)-3,5-dimethylpyrrol-3-yl group. It is an ATP-competitive inhibitor of the tyrosine kinase activity of fibroblast growth facto receptor 1.

Biological Activity

ATP-competitive PDGFR, VEGF and FGFR inhibitor (IC 50 values are 0.06, 2.43, 3.04 and > 100 μ M at PDGFR β , VEGFR2, FGFR1 and EGFR respectively). Inhibits proliferation of HUVEC and NIH3T3 cells in vitro (IC 50 values are 0.41, 9.3 and 16.5 μ M for VEGF, FGF and PDGF-stimulated growth respectively) and induces > 75% growth inhibition against a broad range of tumor types in vivo . Exhibits antiangiogenic, anti-inflammatory, antimetastatic and proapoptotic activity and is orally active.

in vitro

biochemical kinetic studies using isolated flk-1, fgf receptor 1, and pdgf receptor β kinases revealed that tsu-68 has competitive inhibitory properties with respect to atp. in cellular systems, tsu-68 inhibited receptor tyrosine phosphorylation and mitogenesis after stimulation of cells by appropriate ligands [1].

in vivo

oral or i.p. administration of tsu-68 in athymic mice resulted in significant growth inhibition of a diverse panel of human tumor xenografts of glioma, melanoma, lung, colon, ovarian, and epidermoid origin [1].

storage

Store at RT

References

[1] laird ad, vajkoczy p, shawver lk et al. su6668 is a potent antiangiogenic and antitumor agent that induces regression of established tumors. cancer res. 2000 aug 1;60(15):4152-60.
[2] okamoto i, yoshioka h, takeda k et al. phase i clinical study of the angiogenesis inhibitor tsu-68 combined with carboplatin and paclitaxel in chemotherapy-naive patients with advanced non-small cell lung cancer. j thorac oncol. 2012 feb;7(2):427-33.

Properties of Orantinib (SU6668)

Melting point: 252-254 °C
Boiling point: 590.5±50.0 °C(Predicted)
Density  1.328±0.06 g/cm3(Predicted)
storage temp.  Store at RT
solubility  DMSO (Slightly), Methanol (Slightly)
form  Solid
pka 4?+-.0.10(Predicted)
color  Orange to Brown

Safety information for Orantinib (SU6668)

Computed Descriptors for Orantinib (SU6668)

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