Chemo-enzymatic cascade processes are invaluable due to their ability to rapidly construct high-value products from available feedstock chemicals in a one-pot relay manner. In an article, author is Yu, Hai-Ling, once mentioned the application of 58743-75-2, Name is 4′-Ethyl-[1,1′-biphenyl]-4-carbonitrile, molecular formula is C15H13N, molecular weight is 207.2704, MDL number is MFCD00799420, category is phthalazines. Now introduce a scientific discovery about this category, Application In Synthesis of 4′-Ethyl-[1,1′-biphenyl]-4-carbonitrile.
Effects of 6-(4-chlorophenoxy)-tetrazolo[5,1-a]phthalazine on Anticoagulation in Mice and the Inhibition of Experimental Thrombosis in Rats
Thrombosis is a major complication that could be fatal in acute or chronic cardio-cerebral-vascular diseases. Therefore, the development of novel agents for anticlotting and the prevention of thrombosis and cardiovascular diseases are clinically significant. This study aimed to evaluate the anticoagulant and antithrombotic effects of 6-(4-chlorophenoxy)-tetrazolo[5,1-a]phthalazine (Q808), a new phthalazine tetrazole derivative. Bleeding time, clotting time, and serum calcium ion (Ca2+) concentration were assessed in mice, whereas arteriovenous thrombus weight and plasma prothrombin time were evaluated in rats, and platelets Ca2+ influx was determined in rabbit. Daily oral administration of Q808 at 25, 50, or 100 mg/kg for 3 days significantly delayed bleeding time and clotting time in mice compared with controls. Q808 administration at 50 mg/kg significantly reduced experimental thrombus weight by 62.6% and delayed plasma prothrombin time by 58.7% in rats, whereas 50 and 100 mg/kg of Q808 daily significantly increased serum Ca2+ concentration in mice. Q808 at 0.2, 0.4, and 0.8 mg/mL significantly inhibited thrombin-induced Ca2+ influx in rabbit platelets. Our results suggest that Q808 at 25-200 mg/kg daily exerts anticoagulant and antithrombotic effects, and its mechanisms of action may involve both the intrinsic and extrinsic coagulation pathways that inhibit certain coagulation factors and platelet functions.
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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem