New compounds of the formula
and the pharmaceutically acceptable acid addition salts thereof, wherein
Z1 and Z2 are each independently selected from the group consisting of CH2, CHOB and C=O, wherein B is selected from the group consisting of hydrogen and alkanoyl;
Y is oxygen or sulfur;
n is an integer from 0-4 but cannot be zero when Z1 is CHOB;
m Is an integer from 0-4 but cannot be zero when Z2 is CHOB; and
R1, R2 and R3 are each independently hydrogen, halogen, hydroxy, trifluoromethyl, alkyl or alkoxy; are antihistamines and are therefore useful in the treatment of respiratory diseases including asthma, hay fever, allergies and the common cold. They are also vasodilators and can be used for prevention and/or treatment of myocardial infarction.
式中的新化合物
及其药学上可接受的酸加成盐,其中
Z1 和 Z2 各自独立地选自由
CH2、CHOB 和 C=O 组成的组,其中 B 选自由氢和烷酰基组成的组;
Y 是氧或
硫;
n 是 0-4 的整数,但当 Z1 为 CHOB 时不能为零;
当 Z2 是 CHOB 时,m 是 0-4 的整数,但不能为 0;以及
R1、R2 和 R3 各自独立地是氢、卤素、羟基、三
氟甲基、烷基或烷氧基;是抗
组胺剂,因此可用于治疗呼吸道疾病,包括哮喘、花粉症、过敏症和普通感冒。它们还是血管扩张剂,可用于预防和/或治疗心肌梗塞。