Novel spiro coumpounds of the formula:
wherein Ring A represents a benzene ring or a naphthalene ring, the ring being unsubstituted or substituted by at least one of lower alkyl, nitro, halogen, amino which may optionally itself be substituted, hydroxyl which may optionally itself be substituted, acyl and sulphamoyl,
have gastric secretion inhibitive, antiinflammatory and analgesic activities, and are of value as drugs.
式中的新型螺偶合物:
其中环 A 代表苯环或
萘环,环未被取代或至少被低级烷基、硝基、卤素、本身可选择被取代的
氨基、本身可选择被取代的羟基、酰基和
氨基磺酰基中的一种取代、
具有抑制胃分泌、消炎和镇痛活性,具有药物价值。