For research use only. Not for therapeutic Use.
Trequinsin hydrochloride (HL 725) is an extremely potent inhibitor of platelet CAMP phosphodiesterase (PDE), with an IC50 of 0.25 nM. Trequinsin hydrochloride (HL 725) is an extremely potent inhibitor of the aggregation of human platelets induced in vitro by ADP, collagen, thrombin and epinephrine[1][2][3].
Trequinsin hydrochloride exerts besides its cardiovascular and antihypertensive qualities very potent antiplatelet activities[1].
Trequinsin hydrochloride is an efficacious agonist of [Ca2+]i[3].
Catalog Number | I010541 |
CAS Number | 78416-81-6 |
Synonyms | 9,10-dimethoxy-3-methyl-2-(2,4,6-trimethylphenyl)imino-6,7-dihydropyrimido[6,1-a]isoquinolin-4-one;hydrochloride |
Molecular Formula | C24H28ClN3O3 |
Purity | ≥95% |
InChI | InChI=1S/C24H27N3O3.ClH/c1-14-9-15(2)23(16(3)10-14)25-22-13-19-18-12-21(30-6)20(29-5)11-17(18)7-8-27(19)24(28)26(22)4;/h9-13H,7-8H2,1-6H3;1H |
InChIKey | DTCZZBVPTHVXFA-UHFFFAOYSA-N |
SMILES | CC1=CC(=C(C(=C1)C)N=C2C=C3C4=CC(=C(C=C4CCN3C(=O)N2C)OC)OC)C.Cl |
Reference | [1]. D Ruppert,, et al. HL 725, an extremely potent inhibitor of platelet phosphodiesterase and induced platelet aggregation in vitro. Life Sci. 1982 Nov 8;31(19):2037-43. [2]. K C Agarwal, et al. Role of plasma adenosine in the antiplatelet action of HL 725, a potent inhibitor of cAMP phosphodiesterase: species differences. Thromb Res. 1987 Jul 15;47(2):191-200. [3]. Rachel C McBrinn, et al. Novel pharmacological actions of trequinsin hydrochloride improve human sperm cell motility and function. Br J Pharmacol. 2019 Dec;176(23):4521-4536. |