Inhibitors of cyclic AMP phosphodiesterase. 1. Analogs of cilostamide and anagrelide
摘要:
Evaluation of a series of lactam heterocyclic analogues of cilostamide (2) as inhibitors of cyclic AMP phosphodiesterase derived from both human platelets and rat heart in comparison with their corresponding methoxy-substituted heterocycles has revealed that the N-cyclohexyl-N-methyl-4-oxybutyramide side chain of 2 is an important lipophilic and/or steric pharmacophore. Attachment of this side chain to the parent heterocycle of the potent cyclic AMP phosphodiesterase inhibitor anagrelide (3) afforded the hybrid structure RS-82856 (1), shown to be more potent than either of its progenitors as an inhibitor of cyclic AMP phosphodiesterase or of ADP-induced platelet aggregation. The available in vitro data suggest that 1 possesses potentially useful antithrombotic and cardiotonic properties.
Five-, six-, and seven-membered cyclic ureas were synthesized in excellent yields from various aromatic diamines by reaction with carbonmonoxide and a stoichiometric or excess amount of selenium i...
Aromatic cyclic ureas have been synthesized in good yields from -amino or -aminoalkyl substituted aromatic amines by the reaction with carbonmonoxide using selenium.
通过使用硒与一氧化碳反应,由-氨基或-氨基烷基取代的芳族胺以高收率合成了芳香族环状脲。
YOSHIDA TOHRU; KAMBE NOBUAKI; MURAI SHINJI; SONODA NOBORU, TETRAHEDRON LETT., 27,(1986) N 26, 3037-3040