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Merck

SML0238

WEB2086

≥98% (HPLC), Platelet-activating factor antagonist, powder

Synonym(s):

3-[4-(2-Chlorophenyl)-9-methyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepin-2-yl]-1-(4-morpholinyl)-1-propanone, Apafant, WEB 2086BS

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About This Item

Empirical Formula (Hill Notation):
C22H22ClN5O2S
CAS Number:
105219-56-5
Molecular Weight:
455.96
UNSPSC Code:
12352200
PubChem Substance ID:
329825250
NACRES:
NA.77
MDL number:
MFCD00865271
Assay:
≥98% (HPLC)
Form:
powder
Quality level:
100
Storage condition:
desiccated

Key Documents

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Product Name

WEB2086, ≥98% (HPLC)

SMILES string

Cc1nnc2CN=C(c3ccccc3Cl)c4cc(CCC(=O)N5CCOCC5)sc4-n12

InChI

1S/C22H22ClN5O2S/c1-14-25-26-19-13-24-21(16-4-2-3-5-18(16)23)17-12-15(31-22(17)28(14)19)6-7-20(29)27-8-10-30-11-9-27/h2-5,12H,6-11,13H2,1H3

InChI key

JGPJQFOROWSRRS-UHFFFAOYSA-N

assay

≥98% (HPLC)

form

powder

storage condition

desiccated

color

white to beige

solubility

DMSO: 10 mg/mL (clear solution)

storage temp.

2-8°C

Quality Level

100

Related Categories

Biochem/physiol Actions

WEB 2086 inhibits PAF mediated chemotaxis and leukotriene C4 production in eosinophils. It prevents surge in airway resistance and cardiovascular side effects mediated by PAF inhalation.
WEB2086 is a very potent, selective platelet-activating factor (PAF) antagonist (IC50 = 16 nM). WEB2086 inhibits the proliferation of tumor cells and slows tumor growth in xenograft tumor models, and has been shown to inhibit angiogenesis.
WEB2086 is a very potent, selective platelet-activating factor (PAF) antagonist.

Features and Benefits

This compound is featured on the PAF Receptor page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
0000476232
0000476232
0000472408
0000472408
0000417555

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Marcela B Figueiredo et al.
Journal of insect physiology, 54(2), 344-350 (2007-11-27)
The hemocytes phagocytosis in response to microorganisms may play an important role in the cellular immune responses of insects. Here, we have evaluated the effects of the platelet-activating factor (PAF) and eicosanoids in the phagocytosis of hemocyte monolayers of Rhodnius
Yoichi Ajiro et al.
American journal of physiology. Heart and circulatory physiology, 301(6), H2395-H2401 (2011-09-29)
Sodium-hydrogen exchanger (NHE), the principal sarcolemmal acid extruder in ventricular myocytes, is stimulated by a variety of autocrine/paracrine factors and contributes to myocardial injury and arrhythmias during ischemia-reperfusion. Platelet-activating factor (PAF; 1-o-alkyl-2-acetyl-sn-glycero-3-phosphocholine) is a potent proinflammatory phospholipid that is released
Julie S Lefebvre et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 24(2), 637-647 (2009-10-22)
Activation of toll-like receptors (TLRs) and polymorphonuclear leukocyte (PMN) accumulation at infection sites are critical events of host defense. The involvement of leukotriene (LT) B(4) and platelet-activating factor (PAF) in TLR ligand-induced activation of inflammatory cell functions is essentially unknown.
Evandro M M Machado et al.
Journal of insect physiology, 52(7), 685-692 (2006-06-17)
The effects of the triazolodiazepine WEB 2086, a platelet-activating factor (PAF) antagonist, on hemocyte microaggregation and prophenoloxidase (proPO)-activating system in the hemolymph, hemocoelic infection and mortality in fifth-instar larvae of Rhodnius prolixus inoculated with Trypanosoma rangeli were investigated. Hemocoelic injection
Valérie Declerck et al.
The Journal of organic chemistry, 74(5), 2004-2007 (2009-02-10)
The 1,3-dipolar cycloaddition of linear azido alkynes derived from protected beta-amino esters proceeds via diastereomeric differentiation to provide trans-disubstituted triazolodiazepines in good yields.
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