Thromboxane B2

Thromboxane B2 (TXB2) is an inactive metabolite/product of thromboxane A2. It is almost completely cleared in the urine.

Thromboxane B2
Names
Preferred IUPAC name
(5Z)-7-{(2R,3S,4S,6Ξ)-4,6-Dihydroxy-2-[(1E,3S)-3-hydroxyoct-1-en-1-yl]oxan-2-yl}hept-5-enoic acid
Identifiers
3D model (JSmol)
ChEBI
ECHA InfoCard 100.165.003
MeSH Thromboxane+B2
UNII
  • CCCCC[C@H](O)\C=C\[C@H]1OC(O)C[C@H](O)[C@@H]1C\C=C/CCCC(O)=O
Properties
C20H34O6
Molar mass 370.48 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

It itself is not involved in platelet activation and aggregation in case of a wound, but its precursor, thromboxane A2, is. Thromboxane A2 synthesis is the target of the drug aspirin, which inhibits the COX-1 enzyme (the source of thromboxane A2 in platelets).

2-(3,4-Di-hydroxyphenyl)-ethanol (DHPE) is a phenolic component of extra-virgin olive oil. An olive oil fraction containing DHPE can inhibit platelet aggregation and thromboxane B2 formation in vitro.

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