The invention concerns novel [(4-pheny)-1,3-dioxan-cis-5-yl)alkyl]phenylakanoic acids of the formula I wherein Ra and Rb are a variety of substituents including alkyl, alkenyl, halogenoalkyl, phenyl and benzyl, or together form polymethylene; Rc is hydroxy, alkoxy or alkanesulphonami- do; A' and A2 are polymethylene; X is oxygen, sulphur or a direct bond; and benzene ring A bears a variety of substituents; and, when Rc is hydroxy, the physiologically acceptable salts thereof. The compounds of formula I are thromboxane antagonists of value in treating a variety of disease conditions. The invention also provides processes for the manufacture of, and pharmaceutical compositions of, the compounds of formula I.
本发明涉及式 I 的新型[(4-苯基)-1,3-
二恶烷-顺式-5-基)烷基]苯基烷酸,其中 Ra 和 Rb 是各种取代基,包括烷基、烯基、卤代烷基、苯基和苄基,或共同形成聚亚甲基;Rc 是羟基、烷氧基或烷磺酰胺基;A'和 A2 是聚亚甲基;X 是氧、
硫或直接键;苯环 A 具有各种取代基;以及当 Rc 是羟基时,其生理上可接受的盐。式 I 的化合物是血栓素拮抗剂,具有治疗多种疾病的价值。本发明还提供了式 I 化合物的制造工艺和药物组合物。