This invention relates to L-arginine aldehyde derivatives, having the formula I ##STR1## where X and Y have the values defined in the description, as well as pharmaceutical formulations containing those compounds and methods of their use as thrombin inhibitors, coagulation inhibitors, and thromboembolic disorder agents.
Verfahren zur Ringspaltung von in 4-Stellung substituierten 2-Isopropyl-5,5-dimtehylthiazolidinen
申请人:Degussa Aktiengesellschaft
公开号:EP0235376A3
公开(公告)日:1989-07-26
Die Erfindung betrifft ein Verfahren zur Ringspaltung von in 4-Stellung substituierten 2-Isopropyl-5,5-dimethylthiazolidinen in wässrigem, saurem Medium bei erhöhter Temperatur.Ist der Fünfring in 4-Stellung durch eine Carboxylgruppe substituiert, entsteht Penicillamin.
Compounds of formula I
wherein R₁ and R₂ are the same or different and each represent hydrogen, alkyl, alkenyl, cycloalkyl, aryl or aralkyl are produced by a new environmentally acceptable process.