Locostatin

Modify Date: 2024-01-09 20:00:41

Locostatin Structure
Locostatin structure
Common Name Locostatin
CAS Number 90719-30-5 Molecular Weight 197.23100
Density 1.205 g/cm3 Boiling Point 351ºC at 760 mmHg
Molecular Formula C10H15NO3 Melting Point 84-88ºC(lit.)
MSDS USA Flash Point 166.1ºC

 Use of Locostatin


Locostatin (UIC-1005) is a potent RKIP inhibitor. Locostatin binds Raf kinase inhibitor RKIP protein and disrupts the interaction of RKIP with Raf-1 kinase and G protein-coupled receptor kinase 2. Locostatin inhibits cell proliferation and migration. Locostatin can be used to synthesize chemical probes toward PEBP-proteins. Locostatin aggravates thioacetamide (HY-Y0698)-induced acute liver failure in mice [1][2][3].

 Names

Name (n-crotonyl)-(4s)-isopropyl-2-oxazolidinone
Synonym More Synonyms

 Locostatin Biological Activity

Description Locostatin (UIC-1005) is a potent RKIP inhibitor. Locostatin binds Raf kinase inhibitor RKIP protein and disrupts the interaction of RKIP with Raf-1 kinase and G protein-coupled receptor kinase 2. Locostatin inhibits cell proliferation and migration. Locostatin can be used to synthesize chemical probes toward PEBP-proteins. Locostatin aggravates thioacetamide (HY-Y0698)-induced acute liver failure in mice [1][2][3].
Related Catalog
Target

RKIP[3]

In Vitro Locostatin (200 µM;37 °C;6 小时) 破坏 RKIP 与 Raf-1 和 GRK2 的相互作用[1]。 Locostatin (50 µM;0-48 小时) 抑制 MDCK 细胞的增殖和迁移[2]。 Cell Proliferation Assay[2] Cell Line: MDCK cells Concentration: 50 µM Incubation Time: 0-48 h Result: Inhibited cell proliferation and sheet migration.
In Vivo Locostatin (0.5 mg/kg;腹腔注射;每天一次,连续 7 天) 加重硫代乙酰胺 (HY-Y0698) 诱导的小鼠急性肝衰竭[3]。 Animal Model: 6 weeks, 18-22 g, male ICR mice (TAA model; injected intraperitoneally with 300 mg/kg TAA once a day for 2 days)[3] Dosage: 0.5 mg/kg Administration: I.p.; once a day for 7 days Result: Decreased the expression of RKIP, led to more severe damage, such as steatosis and hepatic lesions, increased the production of ROS in the liver and TNF-α, IL-6 and IL-1β in the sera of mice with acute liver injury, inhibitd Nrf2 and HO-1 expression in the livers of mice, induced NF-κB activation in the livers of mice,increased the phosphorylation of JNK, p38 and ERK in liver tissues.
References

[1]. Beshir AB, et al. Locostatin Disrupts Association of Raf Kinase Inhibitor Protein With Binding Proteins by Modifying a Conserved Histidine Residue in the Ligand-Binding Pocket. For Immunopathol Dis Therap. 2011;2(1):47-58.  

[2]. Mc Henry KT, et al. A non-antibacterial oxazolidinone derivative that inhibits epithelial cell sheet migration. Chembiochem. 2002 Nov 4;3(11):1105-11.  

[3]. Lin X, et al. Inhibition of RKIP aggravates thioacetamide-induced acute liver failure in mice. Exp Ther Med. 2018 Oct;16(4):2992-2998.  

 Chemical & Physical Properties

Density 1.205 g/cm3
Boiling Point 351ºC at 760 mmHg
Melting Point 84-88ºC(lit.)
Molecular Formula C10H15NO3
Molecular Weight 197.23100
Flash Point 166.1ºC
Exact Mass 197.10500
PSA 46.61000
LogP 1.29870
Appearance of Characters white to off-white
Storage condition 2-8°C
Water Solubility DMSO: ≥30mg/mL

 Safety Information

Risk Phrases 24/25
Safety Phrases 24/25
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 29349990

 Synthetic Route

~90%

Locostatin Structure

Locostatin

CAS#:90719-30-5

Literature: Rueck, Karola; Kunz, Horst Synthesis, 1993 , # 10 p. 1018 - 1028

~87%

Locostatin Structure

Locostatin

CAS#:90719-30-5

Literature: THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS Patent: WO2003/106437 A1, 2003 ; Location in patent: Page 51-52 ;

~98%

Locostatin Structure

Locostatin

CAS#:90719-30-5

Literature: Sakaguchi, Hiroshi; Tokuyama, Hidetoshi; Fukuyama, Tohru Organic Letters, 2007 , vol. 9, # 9 p. 1635 - 1638

 Synonyms

(4S)-N-Crotonyl-4-benzyl-2-oxazolidinone
(R)-4-BENZYL-3-CROTONYL-2-OXAZOLIDINONE
(S,E)-3-(but-2'-enoyl)-4-benzyloxazolidin-2-one
(S)-3-((E)-but-2-enoyl)-4-benzyloxazolidin-2-one
4-(S)-benzyl-((E)-2'-butenoyl)-1,3-oxazolidin-2-one
(4S)-3-((E)-2-butenoyl)-4-(phenylmethyl)-2-oxazolidinone
(4S)-3-[(E)-BUT-2-ENOYL]-4-BENZYL-2-OXAZOLIDINONE
(4S)-N-[(2E)-but-2-enoyl]-4-phenylmethyl-1,3-oxazolidin-2-one
(N-CROTONYL)-(4S)-BENZYL-2-OXAZOLIDINONE
UIC-1005
(S,E)-4-benzyl-3-(but-2-enoyl)oxazolidin-2-one
MFCD00278769
(S)-3-((E)-but-2-enoyl)-4-benzyloxazolidinone
(N-Crotonyl)-(R)-4-benzyl-2-oxazolidinone
(S)-(+)-4-BENZYL-3-CROTONYL-2-OXAZOLIDINONE
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