Compounds of formula (II):
wherein
R is a C1-4alkyl group;
R, is a hydrogen atom or a C1-4alkyl group;
R2 is a hydrogen or halogen atom, or a C1-4alkyl, C1-4alkyl, C1-4alkoxy or C1-4alkylthio group; and the dotted line represents an optionally present double bond;
and pro-drugs thereof; and the pharmaceutically acceptable salts of the compounds of formula (11) and of their pro-drugs; they have useful anti-inflammatory and analgesic activity; processes for the preparation of the novel compounds; novel starting compounds for these processes and novel intermediates for the preparation of starting compounds.
式(II)化合物:其中R是C1-4烷基;R,是氢原子或C1-4烷基;R2是氢原子或卤素原子,或C1-4烷基、C1-4烷基、C1-4烷氧基或C1-4烷
硫基;虚线代表任选存在的双键;及其原药;以及式(11)化合物及其原药的药学上可接受的盐;它们具有有用的抗炎和镇痛活性;制备这些新型化合物的工艺;用于这些工艺的新型起始化合物以及用于制备起始化合物的新型中间体。