Fenleuton

5-lipoxygenase inhibitor

Pharmaceutical compound

Fenleuton
Clinical data

Trade names	Lofrin
ATC code	none
Identifiers
IUPAC name 1-{4-[3-(4-Fluorophenoxy)phenyl]-3-butyn-2-yl}-1-hydroxyurea
CAS Number	141579-54-6
ChemSpider	65045
UNII	LG64454O6I
KEGG	D04151
CompTox Dashboard (EPA)	DTXSID40869916 Edit this at Wikidata
Chemical and physical data
Formula	C₁₇H₁₅FN₂O₃
Molar mass	314.316 g·mol⁻¹
3D model (JSmol)	Interactive image
SMILES CC(C#Cc1cccc(c1)Oc2ccc(cc2)F)N(C(=O)N)O
InChI InChI=InChI=1S/C17H15FN2O3/c1-12(20(22)17(19)21)5-6-13-3-2-4-16(11-13)23-15-9-7-14(18)8-10-15/h2-4,7-12,22H,1H3,(H2,19,21) Key:MWXPQCKCKPYBDR-UHFFFAOYSA-N^[1]

Fenleuton (trade name Lofrin) is a drug that acts as a 5-lipoxygenase inhibitor and inhibits leukotriene (LTB4, LTC4, LTD4, and LTE4) formation. It has been studied for potential use in veterinary medicine to treat respiratory diseases such as chronic obstructive pulmonary disease (COPD) in horses.^[2]

References

^ "1-{4-[3-(4-Fluorophenoxy)phenyl]-3-butyn-2-yl}-1-hydroxyurea". chemspider.com. Retrieved 24 December 2015.
^ Marr KA, Lees P, Page CP, Cunningham FM (1998). "Effect of the 5-lipoxygenase inhibitor, fenleuton, on antigen-induced neutrophil accumulation and lung function changes in horses with chronic obstructive pulmonary disease". J Vet Pharmacol Ther. 21 (3): 241–246. doi:10.1046/j.1365-2885.1998.00127.x. PMID 9673966.

BLT Tooltip Leukotriene B4 receptor

BLT₁ Tooltip Leukotriene B4 receptor 1	Agonists: 12-HETE 20-Hydroxy-LTB₄ Leukotriene B₄ LY-255283 Antagonists: 20-Carboxy-LTB₄ Amelubant CGS-23131 (LY-223982) CGS-25019C CP-105696 CP-195543 Etalocib LY-293111 Moxilubant ONO-4057 RG-14893 RP-69698 SB-209247 SC-53228 Ticolubant U-75302 ZK-158252
BLT₂ Tooltip Leukotriene B4 receptor 2	Agonists: 12-HETE 12-HHT 12-HpETE 15-HETE 15-HpETE 20-Hydroxy-LTB₄ Leukotriene B₄ Antagonists: CP-195543 LY-255283 ZK-158252

CysLT Tooltip Cysteinyl leukotriene receptor

CysLT₁ Tooltip Cysteinyl leukotriene receptor 1	Agonists: Leukotriene C₄ Leukotriene D₄ Leukotriene E₄ Antagonists: Ablukast BAYu9773 BAYu9916 BAYx7195 Cinalukast FPL-55712 ICI-198615 Iralukast LY-170680 Masilukast MK-571 Montelukast ONO-1078 Pobilukast Pranlukast Ritolukast SKF-104353 SR-2640 Sulukast Tipelukast Tomelukast Verlukast Zafirlukast ZD-3523
CysLT₂ Tooltip Cysteinyl leukotriene receptor 2	Agonists: Leukotriene C₄ Leukotriene D₄ Leukotriene E₄ Antagonists: BAYu9773 BAYu9916
CysLT_E Tooltip Cysteinyl leukotriene receptor E	Agonists: Leukotriene E₄

5-LOX Tooltip Arachidonate 5-lipoxygenase	2-TEDC Baicalein BW-A4C BW-B70C Caffeic acid CDC CJ-13610 Curcumin Fenleuton Hyperforin Hypericum perforatum (St. John's Wort) Meclofenamic acid (meclofenamate) Minocycline N-Stearoyldopamine Timegadine Zileuton FLAP Tooltip Arachidonate 5-lipoxygenase-activating protein inhibitors: AM-103 AM-679 BAYx1005 MK-591 MK-886
12-LOX Tooltip Arachidonate 12-lipoxygenase	2-TEDC 3-Methoxytropolone Baicalein CDC
15-LOX Tooltip Arachidonate 15-lipoxygenase	2-TEDC CDC Luteolin PD-146176
LTA₄H Tooltip Leukotriene A4 hydrolase	Acebilustat Captopril DG-051 Fosinoprilat JNJ-26993135 SA-6541 SC-57461A Ubenimex (bestatin)
LTB₄H Tooltip Leukotriene B4 ω-hydroxylase	17-Octadecynoic acid
LTC₄S Tooltip Leukotriene C4 synthase	Azelastine MK-886
LTC₄H Tooltip Leukotriene C4 hydrolase	Acivicin Serine-borate complex
LTD₄ Tooltip Leukotriene D4 hydrolase	Cilastatin Ubenimex (bestatin)

Others

See also: Receptor/signaling modulators; Prostanoid signaling modulators

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