A series of 9 piperazine derivatives of xanthone were synthesized and evaluated for cardiovascular activity. The following pharmacological experiments were conducted: the binding affinity for adrenoceptors, the influence on the normal electrocardiogram, the effect on the arterial blood pressure and prophylactic antiarrhythmic activity in adrenaline induced model of arrhythmia (rats, iv). Three compounds revealed nanomolar affinity for α1- ...
[Coelho, Paulo J.; Carvalho, Luis M.; Silva, Jose C.; Oliveira-Campos, Ana M.F.; Samat, Andre; Guglielmetti, Robert Helvetica Chimica Acta, 2001 , vol. 84, # 1 p. 117 - 123]
[Coelho, Paulo J.; Carvalho, Luis M.; Silva, Jose C.; Oliveira-Campos, Ana M.F.; Samat, Andre; Guglielmetti, Robert Helvetica Chimica Acta, 2001 , vol. 84, # 1 p. 117 - 123]