CHEMISTRY 4000 Problem Set #4: Ticlopidine (aka Ticlid ® ) Fall 2012 Dr. Susan Findlay.

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CHEMISTRY 4000 Problem Set #4: Ticlopidine (aka Ticlid ® ) Fall 2012 Dr. Susan Findlay

Ticlopidine (aka Ticlid ® ) Ticlopidine (Ticlid ® ) is an antithrombotic drug. In other words, it prevents blood clots by inhibiting platelet aggregation. Ticlopidine was launched in The structurally similar Clopidogrel (Plavix ® ) was launched in Both prevent ADP from initiating platelet aggregation by blocking it from binding to the P2Y12 receptor. Both are actually prodrugs, requiring activation by cytochrome P450 (though the active species produced from each drug is different). Because they require metabolic activation, these drugs are not immediately effective. Rather, they tend to be used as preventative medicine. Clopidogrel has fewer side effects than ticlopidine (which is harder on the liver and should not be taken by patients with liver disease).

Ticlopidine (aka Ticlid ® ) The structure of ticlopidine is: The structure of clopidogrel is:

Ticlopidine (aka Ticlid ® ) The active form of clopidogrel looks like: