The invention relates to tricyclic compounds of formula (I) ##STR1## wherein R.sup.1 is hydrogen, amino, (1-4C)alkyl, (1-4C)alkoxy, hydroxy-(1-4C)alkyl or fluoro-(1-4C)alkyl; R.sup.2 is hydrogen, (1-4C)alkyl, (3-4C)alkenyl, (3-4C)alkynyl, hydroxy-(2-4C)alkyl, halogeno-(2-4C)alkyl or cyano-(1-4C)alkyl; Ar is optionally-substituted phenylene, thiophenediyl, thiazolediyl, pyridinediyl or pyrimidinediyl; and R.sup.3 includes a group of the formula --NHCH(CO.sub.2 H)--A.sup.1 --Y.sup.1 wherein A.sup.1 is (1-6C)alkylene and Y.sup.1 is carboxy, tetrazol-5-yl, N-\x9b(1-4C)alkylsulphonyl!carbamoyl, N(phenylsulphonyl)carbamoyl, tetrazol-5-ylthio, tetrazol-5-ylsulphinyl or tetrazol-5-ylsulphonyl; or pharmaceutically-acceptable salts or esters thereof; to processes for their manufacture; to pharmaceutical compositions containing them; and to their use as anti-cancer agents.
该发明涉及式(I)的
三环化合物,其中R.sup.1为氢、
氨基、(1-4C)烷基、(1-4C)烷氧基、羟基-(1-4C)烷基或
氟代-(1-4C)烷基;R.sup.2为氢、(1-4C)烷基、(3-4C)烯基、(3-4C)炔基、羟基-(2-4C)烷基、卤代-(2-4C)烷基或
氰基-(1-4C)烷基;Ar为选择性取代的苯基、
噻吩二基、
噻唑二基、
吡啶二基或
嘧啶二基;R.sup.3包括式--NHCH(CO.sub.2 H)--A.sup.1 --Y.sup.1的基团,其中A.sup.1为(1-6C)烷基,Y.sup.1为羧基、
噻唑-5-基、N-(1-4C)烷基磺酰基!
氨基甲酰基、N(苯基磺酰基)
氨基甲酰基、
噻唑-5-基
硫基、
噻唑-5-基亚
硫基或
噻唑-5-基磺基;或其药学上可接受的盐或酯;以及制备它们的方法;含有它们的药物组合物;以及它们作为抗癌剂的用途。